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Japanese Naval and Merchant Shipping Losses

During World War II by All Causes

Cover image.

Japanese Naval and Merchant Shipping Losses
During World War II by All Causes

Prepared by
The Joint Army-Navy Assessment Committee
NAVEXOS P 468

February 1947

Contents

  Page
Foreword ii
Graphs of Japanese Shipping Losses iv-v
Summaries of Japanese Shipping Losses vi-x
Chronological List of Japanese Merchant Vessel Losses* 29-99
Alphabetical Index 100-123
Japanese Shipping Lost by United States Submarines Appendix

* Where the tonnage of a vessel is only approximately known it is followed by an "e".

Foreword

In January 1943 the Chief of Staff, U.S. Army, and Commander-in-Chief, U.S. Navy agreed that the formation of a joint committee to assess enemy Naval and merchant shipping losses during World War II would be desirable. Accordingly the JOINT ARMY-NAVY ASSESSMENT COMMITTEE was appointed for this purpose. This committee consisted of representatives of the Navy, the Army, and the Army Air Forces, with a joint Army-Navy secretariat. The pertinent paragraph of the joint Army-Navy directive forming the Committee is quoted:

"By agreement between Chief of Staff and Commander-in-Chief, a Committee comprised of 4 Navy and 3 Army members is appointed to meet from time to time at the call of the senior member to study and evaluate reports of loss or damage of enemy Naval and Merchant vessels from all causes, except those cases considered by the Anti-Submarine Warfare Assessment Committee of the Office of the Commander-in-Chief, U.S. Fleet. Findings of the Anti-Submarine Warfare Assessment Committee will be included in the overall evaluation of enemy losses without further review. Periodic reports of the Committee will be submitted jointly to the Chief of Staff and Commander-in-Chief."

Sources used by the Committee for compiling information on Japanese vessel losses have included the following:

Prisoner of War Reports
Captured Enemy Documents
United States and Allied Intelligence Sources
Naval Shipping Control Authority for Japanese Merchant Marine (SCAJAP)
Ariyoshi's Final List (Japanese)
Ariyoshi's List (Japanese)
Shipowners' List (Japanese)
Naval Ministry List (Japanese)
United States Mine Warfare Report
United States and Allied Action Summaries
United States Photographic Intelligence
United States Strategic Bombing Survey Reports

The assessment of losses, unanimously agreed to by all members of the committee, are listed on the following pages. They include:

  1. All Naval vessels known or believed to have been lost.
  2. All merchant vessels of 500 or more gross tons known or believed to have been lost.

A negligible number of vessels have not been assessed because of insufficient information as to the cause of loss.

[signature - illegible]
Rear Admiral, USN,
Chairman
Joint Army-Navy Assessment Committee

3 February 1947

Graphs of Japanese Shipping Losses

Japanese Naval and Merchant Shipping Losses by the United Nations

Pie Chart: Japanese Naval and Merchant Shipping Losses by the United Nations.
Pie Chart: Japanese Naval and Merchant Shipping Losses by the United Nations. US Forces - 9.7 million tons; US and Allies - 0.1 million tons; Allies - 0.3 million tons; and Marine casualties Japanese mines - unknown - 0.5 million tons. Source: Joint Army-navy Assessment Committee.

--iv--

Bar Chart: Japanese Naval and Merchant Vessels Sunk by United States Forces
Bar Chart: Japanese Naval and Merchant Vessels Sunk by United States Forces divided by groups: submarines, carrier air, land-based air, mines, surface craft and miscellaneous. Source: Joint Army-navy Assessment Committee.

--v--

Summaries of Japanese Shipping Losses

TABLE I
TOTAL OF JAPANESE NAVAL AND MERCHANT VESSELS
SUNK
DURING WORLD WAR II
  Sinking Agent Naval Vessels Merchant Vessels Total Vessels
     No.  Tonnage  No.  Tonnage  No. Tonnage
* United States Forces 611 1,822,210 2,117 7,913,858 2,728 9,736,068
 
** Allied Forces: 45 69,636 73 211,664 118 281,300
      British 28 50,365 42 87,981 70 138,346
      Netherlands 7 8,099 15 57,471 22 65,570
      Australian 5 6,892 8 24,910 13 31,802
      Chinese - - 3 14,327 3 14,327
      Russian 2 1,660 2 8,233 4 9,893
      New Zealand 2 2,095 - - 2 2,095
      Netherlands and Australian - - 2 8,303 2 8,303
      Netherlands and Indian - - 1 10,439 1 10,439
      Australian and Indian 1 525 - - 1 525
 
*** United States and Allied Forces: 10 14,864 12 57,923 22 72,787
      United States and Australian 4 7,550 7 37,072 11 44,622
      United States, Australian, and Netherlands - - 2 16,362 2 16,362
      United States and British 5 5,102 2 3,500 7 8,602
      United States and New Zealand 1 2,212 - - 1 2,212
      United States, British and Netherlands - - 1 989 1 989
 
*** Marine Casualties 13 50,338 97 268,948 110 319,286
 
*** Japanese Mines - - 21 67,197 21 67,197
 
*** Unknown Forces 7 8,598 26 98,519 33 107,117
 
  TOTAL 686   1,965,646   2,346   8,618,109   3,032  10,583,755
 
* See TABLE II Page vii for detailed analysis.
** See TABLE III Page viii for detailed analysis.
*** See TABLE IV Page ix for detailed analysis.

--vi--

TABLE II

JAPANESE NAVAL AND MERCHANT VESSELS SUNK DURING WORLD WAR II
By
UNITED STATES FORCES

  Naval Vessels   Merchant Vessels   Total Vessels
Sinking Agent No. Tonnage   No. Tonnage   No. Tonnage
Submarines 201 540,192   1,113 4,779,902   1,314 5,320,094
Surface Craft 112 277,817   11 43,349   123 321,166
Army Aircraft 70 62,165   240 639,667   310 701,832
Navy-Marine Aircraft 172 724,638   447 1,608,959   619  2,333,597
      Carrier-Based 161 711,236   359 1,390,241   520 2,101,477
      Land-Based 11 13,402   88 218,718   99 232,120
Army, Navy, and Marine Aircraft in Combination: 9 48,750   23 114,306   32 163,056
      Army and Navy Carrier-Based Aircraft 1 5,700   1 6,143   2 11,843
      Army and Navy-Marine Land-Based Aircraft 6 21,250   14 49,978   20 71,228
      Navy Carrier-Based and Navy-Marine Land-Based Aircraft 2 21,800   - -   2 21,800
      Army, Navy Carrier-Based, and Navy-Marine Land-Based Aircraft - -   8 58,185   8 58,185
Navy Shore Batteries 2 2,770   - -   2 2,770
Mines: 19 17,995   247 591,660   266 609,655
      Laid by Army Air Forces 16 13,670   241 566,690   257 580,360
      Laid by Surface Craft 2 3,800   - -   2 3,800
      Laid by Navy Land-Based Aircraft 1 525   1 6,417   2 6,942
      Laid by Submarines - -   5 18,553   5 18,553
Aircraft and Other Agents: 26 147,883   32 132,710   58 280,593
      Army Aircraft, Navy-Marine Land-Based Aircraft and Surface Craft - -   3 20,607   3 20,607
      Army Aircraft and Surface Craft 2 7,900   1 8,572   3 16,472
      Army Aircraft, Navy Carrier-Based Aircraft, Navy-Marine Land-Based Aircraft, and Surface Craft 1 31,000   - -   1 31,000
      Army Aircraft and Army Mines - -   1 10,000   1 10,000
      Army Aircraft, Army Mine, and Navy Carrier-Based Aircraft 1 17,000   - -   1 17,000
      Army Aircraft and Submarines - -   2 10,062   2 10,062
      Army Aircraft and Sabotage - -   1 4,281   1 4,281
      Navy Carrier-Based Aircraft and Submarines 3 24,780   6 27,309   9 52,089
      Navy Carrier-Based Aircraft and Surface Craft 15 61,890   5 -   20 76,353
      Navy-Marine Land-Based Aircraft and Submarines - -   1 6,550   1 6,550
      Navy-Marine Land-Based Aircraft and Navy Mines 2 3,800   - -   2 3,800
      Navy-Marine Land-Based Aircraft and Surface Craft 2 1,513   - -   2 1,513
      Unknown Aircraft - -   12 30,866   12 30,866
      Unknown Agents     -               -          4        3,305          4        3,305
TOTAL 611 1,822,210   2,117 7,913,858   2,728 9,736,068

--vii--

TABLE III

JAPANESE NAVAL AND MERCHANT VESSELS SUNK DURING WORLD WAR II
By
ALLIED FORCES EXCLUDING UNITED STATES

Sinking Agent Naval Vessels   Merchant Vessels   Total Vessels
  No. Tonnage   No. Tonnage   No. Tonnage
 
British Forces: 28 50,365   42 87,981   70 138,346
    Submarines 14 26,396   29 65,040   43 91,436
    Navy Carrier-Based Aircraft - -   2 1,817   2 1,817
    Navy Land-Based Aircraft 2 1,600   1 1,350   3 2,950
    Surface Craft 8 19,287   - -   8 19,287
    Army Aircraft 1 270   - -   1 270
    Army Aircraft And Surface Craft - -   1 1,500   1 1,500
    Mines 3 2,812   7 11,000   10 13,812
    Sabotage - -   2 7,274   2 7,274
 
Netherlands Forces:   7   8,099   15   57,471   22   65,570
    Submarines 2 3,920   10 42,049   12 45,969
    Aircraft 1 615   5 15,422   6 16,037
    Mines 2 2,580   - -   2 2,580
    Shore Batteries 2 984   - -   2 984
 
Australian Forces:   5   6,892     8   24,910     13   31,802
    Aircraft 2 400   2 10,369   4 10,769
    Mines 3 6,492   6 14,541   9 21,033
 
New Zealand Forces:   2   2,095      -    -      2     2,095
    Surface Craft 1 1,995   - -   1 1,995
    Aircraft 1 100   - -   1 100
 
Chinese Aircraft   -       -     3   14,327      3     14,327
 
Russian Forces:   2    1,660     2    8,233     4     9,893
    Aircraft 2 1,660   1 6,003   3 7,663
    Unknown - -   1 2,230   1 2,230
 
Netherlands and Australian Aircraft   -     -     2     8,303      2    8,303
 
Netherlands And Indian Surface Craft   -     -     1    10,439      1    10,439
 
Australian and Indian Surface Craft   1      525     -          -      1        525
 
Total 45 69,636   73 211,664   118 281,300

--viii--

TABLE IV

JAPANESE NAVAL AND MERCHANT VESSELS SUNK DURING WORLD WAR II
By
COMBINATION OF UNITED STATES AND ALLIED FORCES. AND MISCELLANEOUS AGENTS

Sinking Agent Naval Vessels   Merchant Vessels   Total Vessels
  No. Tonnage   No. Tonnage   No. Tonnage
 
United States and Allied Forces: 10 14,864   12 57,923   22 72,787
    United States Army Aircraft and Australian Aircraft 4 7,550   6 30,579   10 38,129
    United States Navy-Marine Land-Based Aircraft and New Zealand Surface Craft 1 2,212   - -   1 2,212
    United States Navy Carrier-Based Aircraft and British Aircraft 2 1,760   2 3,500   4 5,260
    United States Army Aircraft and British Aircraft 1 1,500   - -   1 1,500
    United States and British Surface Craft 1 1,142   - -   1 1,142
    United States Surface Craft and British Aircraft 1 700   - -   1 700
    United States Army Aircraft and Surface Craft and Australian and Netherlands Aircraft - -   2 16,362   2 16,362
    United States Army Aircraft and Surface Craft and British Aircraft - -   1 6,493   1 6,493
    United States Army Aircraft and British and Netherlands Aircraft - -   1 989   1 989
 
Marine Casualties 13 50,338     97 268,948   110 319,286
 
Japanese Mines   -        -     21   67,197     21   67,197
 
Unidentified Forces:   7   8,598     26   98,519     33 107,117
    Aircraft 1 613-   1 1,398   2 2,011
    Submarines - -   1 940   1 940
    Unknown 6 7,985   24 96,181   30 104,166
 
TOTAL 30 73,800   156 492,589   186 566,387

--ix--

TABLE V

JAPANESE NAVAL AND MERCHANT VESSELS ASSESSED SUNK DURING WORLD WAR II
By
"PROBABLE" SINKING AGENTS

Notes: (1) These Figures Are Included In The Previous Tables
  (2) This Is An Additional Tabulation Showing Those
Sinkings Assessed By The Committee As Having
Been "Known Sunk" By A "Probable" Agent.

 

Sinking Agent Naval Vessels   Merchant Vessels   Total Vessels
  No. Tonnage   No. Tonnage   No. Tonnage
 
United States Forces: 13 37,434   65 273,589   78 311,023
    Submarines 4 5,064   51 220,808   55 225,872
    Army Aircraft - -   2 1,822   2 1,822
    Navy Carrier-Based Aircraft 4 400   - -   4 400
    Navy-Marine Land-Based Aircraft 1 170   3 8,575   4 8,745
    Surface Craft 4 31,800   - -   4 31,800
    Army Mine - -   5 30,222   5 30,222
    Navy Mine - -   3 10,947   3 10,947
    Unknown Aircraft - -   1 1,215   1 1,215
 
British Forces   -         -     3     5,846     3     5,846
    Submarines - -   2 2,817   2 2,817
    Mines - -   1 3,029   1 3,029
 
Netherlands Aircraft   -         -     1     4,109     1     4,109
 
Russian Aircraft   2   1,660     1     6,003     3     7,663
 
Unknown Aircraft   1       613     -         -     1       613
 
Australian Mines   1   4,000     -         -     1     4,000
 
Japanese Mines   -         -     8   31,092     8   31,092
 
Marine Casualties   -         -     1     3,209     1     3,209

--x--

JAPANESE NAVAL VESSELS SUNK DURING WORLD WAR II
(Chronological)

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December 10 1941 I 170 Submarine 1,785 23-45N, 155-35W United States Navy Carrier-Based Aircraft Sunk
  10   MINESWEEPER NO 10 Minesweeper 630 17-32N, 120-22E United States Army Aircraft Sunk
  10   MINESWEEPER NO 19 Minesweeper 492 18-22N, 121-38E United States Army Aircraft Sunk
  11   HAYATE Destroyer 1,270 19-16N, 166-37E United States Navy Shore-Battery Sunk
  11   KISARAGI Destroyer 1,500 19-16N, 166-37E United States Navy Shore-Battery Sunk
  17   RO 66 Submarine 988 19-25N, 166-30E Japan Marine Casualty Sunk
  18   SHINONOME Destroyer 1,950 4-24N, 114-00E Netherlands Mine Sunk
  22   PATROL BOAT NO 32 Old Destroyer 750e 19-17N, 166-35E Japan Marine Casualty Sunk
  22   PATROL BOAT NO 33 Old Destroyer 750e 19-17N, 166-35E Japan Marine Casualty Sunk
  24   SAGIRI Destroyer 1,950 1-34N, 110-21E Netherlands Submarine Sunk
  26   MINESWEEPER NO 6 Minesweeper 615 1-34N, 110-21E Netherlands Army Aircraft Sunk
  29   RO 60 Submarine 988 9-00N, 167-40E Japan Marine Casualty Sunk
        12 Vessels 13,668        
January 12 1942 MINESWEEPER NO 13 Minesweeper 492 3-15N, 113-35E Netherlands Shore Battery Sunk
  12   MINESWEEPER NO 14 Minesweeper 492 3-15N, 113-35E Netherlands Shore Battery Sunk
  17   I 160 Submarine 1,635 6-00S, 105-00E Great Britain Surface Craft Sunk
  20   I 124 Submarine 1,142 12-05S, 130-06E United States
Great Britain
Surface Craft
Surface Craft
Sunk
  24   PATROL BOAT NO 37 Old Destroyer 750e 00-10N, 118-00E United States Surface Craft Sunk
  27   I 173 Submarine 1,785 28-24N, 178-35E United States Submarine Sunk
  29   I 23 Submarine 2,212 20-35N, 155-29W United States Surface Craft Sunk
        7 Vessels 8,508        
February 2 1942 MINESWEEPER NO 9 Minesweeper 630 3-42S, 128-10E Netherlands Mine Sunk
  8   NATSUSHIO Destroyer 1,900 5-10S, 119-24E United States Submarine Sunk
        2 Vessels 2,530        
April 3 1942 UNKNOWN Frigate 750e 00-36N, 119-19E United States Submarine Probably sunk
  26   RO 30 Submarine 965 18-11N, 166-54W United States Submarine Sunk
        2 Vessels 1,715        

--1--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         2 1942 MIZUHO Seaplane Tender 9,000 34-26N, 138-14E United States Submarine Sunk
  4   KIKUTSUKI Destroyer 1,500 9-07S, 160-12E United States Navy Carrier-
Based Aircraft
Sunk
  7   SHOHO Light Aircraft Carrier 12,000 10-29S, 152-55E United States Navy Carrier-
Based Aircraft
Sunk
  11   OKINOSHIMA Minelayer 4,400 5-06S, 153-48E United States Submarine Sunk
  17   I 28 Submarine 2,212 6-30N, 152-00E United States Submarine Sunk
  17   I 164 Submarine 1,625 29-25N, 134-09E United States Submarine Sunk
  25   ASAHI Repair Ship 11,441 10-00N, 110-00E United States Submarine Sunk
        7 Vessels 42,178        
June 1 1942 RO 35 Submarine 965 Pacific Area Japan Marine Casualty Sunk
  4   AKAGI Aircraft Carrier 36,000 30-00N, 179-00W United States Navy Carrier-
Based Aircraft
Sunk
  4   KAGA Aircraft Carrier 35,000 30-00N, 179-00W United States Navy Carrier-
Based Aircraft
Sunk
  4   HIRYU Light Aircraft Carrier 17,500 31-15N, 179-05E United States Navy Carrier-
Based Aircraft
Sank
  4   SORYU Light Aircraft Carrier 17,500 30-13N, 179-17W United States Navy Carrier-
Based Aircraft
Submarine
Sunk
  6   MIKUMA Heavy Cruiser 13,000 30-00N, 173-00E United States Navy Carrier-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  25   YAMAKAZE Destroyer 1,580 34-34N, 140-26E United States Submarine Sunk
        7 Vessels 121,545        

--2--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July 4 1942 NENOHI Destroyer 1,600 52-15N, 173-51E United States Submarine Sunk
  5   ARARE Destroyer 1,850 52-00N, 177-40E United States Submarine Sunk
  9   RO 32 Submarine 700 55-20N, 134-40W United States Great Britain Surface Craft Aircraft Sunk
  15   SUBMARINE CHASER NO 25 Submarine Chaser 300 52-02N, 177-42E United States Submarine Sunk
  15   SUBMARINE CHASER NO 27 Submarine Chaser 300 52-02N, 177-42E United States Submarine Sunk
        5 Vessels 4,750        
August 10 1942 KAKO Heavy Cruiser 8,800 2-15S, 152-15E United States Submarine Sunk
  24   RYUJO Light Aircraft Carrier 8,500e 6-20S, 160-50E United States Navy Carrier-
Based Aircraft
Sunk
  25   MUTSUKI Destroyer 1,500 7-47S, 160-13E United States Army Aircraft Sunk
  28   I 123 Submarine 1,142 9-21S, 160-43E United States Surface Craft Sunk
  28   ASAGIRI Destroyer 1,950 8-00S, 160-10E United States Marine Land-
Based Aircraft
Probably sunk
  29   RO 33 Submarine 700 9-36S, 147-06E Great Britain Surface Craft Sunk
  31   RO 61 Submarine 988 52-36N, 173-57N United States Navy Land-
Based Aircraft
Surface Craft
Sunk
        7 Vessels 23,580        
September - 1942 RO 65 Submarine 988 North Pacific Unknown Unknown Sunk
  11   YAYOI Destroyer 1,500 8-45S, 151-25E United States
Great Britain
Army Aircraft
Aircraft
Sunk
        2 Vessels 2,488        
October - 1942 I 30 Submarine 2,212 l-00N, 105-00E Great Britain Mine Sunk
  11   FURUTAKA Heavy Cruiser 8,800 9-00S, 159-50E United States Surface Craft Sunk
  11   FUBUKI Destroyer 1,950 9-10S, 159-40E United States Surface Craft Sunk
  11   NATSUGUMO Destroyer 1,850 9-10S, 159-40E United States Surface Craft Sunk
  12   MURAKUMO Destroyer 1,950 8-40S, 158-20E United States Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  16   OBORO Destroyer 1,950 52-17N, 178-08E United States Army Aircraft Sunk
  25   YURA Light Cruiser 5,700 8-40S, 160-00E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
        7 Vessels 24,412        
November 10 1942 I 172 Submarine 1,785 10-13S, 161-09E United States Surface Craft Sunk
  13   AKATSUKI Destroyer 1,950 9-10S, 159-45E United States Surface Craft Sunk

--3--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November 13 1942 YUDACHI Destroyer 1,580 9-10S, 149-45E United States Surface Craft Sunk
  13   HIYEI Battleship 31,000 9-00S, 159-00E United States Army Aircraft
Navy Carrier-
Based Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Surface Craft
Sunk
  14   KINUGASA Heavy Cruiser 8,800 8-45S, 157-10E United States Navy Carrier-
Based Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  15   KIRISHIMA Battleship 31,000 9-10S, 159-55E United States Surface Craft Sunk
  15   AYANAMI Destroyer 1,950 9-00S, 159-45E United States Surface Craft Sunk
  24   HAYASHIO Destroyer 1,900 7-00S, 140-30E United States Army Aircraft Sunk
  30   TAKANAMI Destroyer 1,900 9-10S, 159-45E United States Surface Craft Sunk
        9 Vessels 81,865        
December 10 1942 I 3 Submarine 1,995 9-14S, 159-40E United States Surface Craft Sunk
  12   TERUTSUKI Destroyer 2,450 7-50S, 157-30E United States Surface Craft Sunk
  16   I 15 Submarine 2,212 9-10S, 159-30E United States Navy Land-
Based Aircraft
Sunk
  18   TENRYU Light Cruiser 3,300 5-11S, 145-57E United States Submarine Sunk
  20   I 4 Submarine 1,995 5-02S, 152-33E United States Submarine Sunk
  22   PATROL BOAT NO 35 Old Destroyer 750e 5-05S, 156-04E United States Submarine Sunk
  25   I 22 Submarine 2,180 8-32S, 148-17E United States Surface Craft Sunk
        7 Vessels 14,882        
January 2 1943 I 18 Submarine 2,180 8-49S, 157-09E United States Submarine Sunk
  10   OKIKAZE Destroyer 1,300 35-02N, 140-12E United States Submarine Sunk
  12   PATROL BOAT NO 1 Old Destroyer 750e 2-51S, 149-43E United States Submarine Sunk
  23   HAKAZE Destroyer 1,300 2-47S, 150-38E United States Submarine Sunk
  29   I 1 Submarine 1.995 9-13S, 159-37E New Zealand Surface Craft Sunk
        5 Vessels 7,525        

--4--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 1 1943 MAKIGUMO Destroyer 1,900 9-10S, 159-45E United States Navy line Sunk
  11   RO 102 Submarine 525 14-15S, 161-59E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  20   OSHIO Destroyer 1,850 00-50S, 146-06E United States Submarine Sunk
  20   UNKNOWN Frigate 750e 00-50S, 146-06E United States Submarine Sunk
        4 Vessels 5,025        
March 3 1943 ARASHIO Destroyer 1,850 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   ASASHIO Destroyer 1,850 7-10S, 148-15E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   TOKITSUKAZE Destroyer 1,900 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   SHIRAYUKI Destroyer 1,950 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  6   MINEGUMO Destroyer 1,850 8-05S, 157-15E United States Surface Craft Sunk
  6   MURASAME Destroyer 1,580 8-05S, 157-15E United States Surface Craft Sunk
        6 Vessels 10,980        
April 3 1943 SUBMARINE CHASER NO 13 Submarine Chaser 440 40-00N, 142-00E United States Submarine Sunk
  4   RO 34 Submarine 700 8-15S, 158-55E United States Surface Craft Sunk
  9   ISONAMI Destroyer 1,950 5-26S, 123-04E United States Submarine Sunk
  23   PATROL BOAT NO 39 Old Destroyer 820e 23-45N, 122-45E United States Submarine Sunk
        4 Vessels 3,910        

--5--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May       8 1943 KUROSHIO Destroyer 1,900 8-05S, 156-55E United States Navy Mine Sunk
  8   OYASHIO Destroyer 1,900 8-05S, 156-55E United States Navy Land-
Based Aircraft
Navy Mine
Sunk
  8   KAGERO Destroyer 1,900 8-05S, 156-55E United States Navy Land-Based Aircraft
Navy Mine
Sunk
  28   RO 107 Submarine 525 15-35S, 167-17E United States Surface Craft Sunk
        4 Vessels 6,225        
June 8 1943 MUTSU Battleship 37,500 34-05N, 132-20E Japan Marine Casualty Sunk
  10   I 9 Submarine 2,443 53-16N, 174-24E United States Surface Craft Sunk
  13   I 31 Submarine 2,212 52-08N, 177-38E United States Surface Craft Sunk
  22   I 7 Submarine 1,995 51-49N, 177-20E United States Surface Craft Sunk
        4 Vessels 44,150        
July 1 1943 RO 101 Submarine 525 8-39S, 157-35E United States Surface Craft Sunk
  6   NAGATSUKI Destroyer 1,500 7-57S, 157-12E United States Surface Craft Sunk
  6   NIIZUKI Destroyer 2,450 7-57S, 157-12E United States Surface Craft Sunk
  11   I 25 Submarine 2,212 8-00S, 157-19E United States Surface Craft Sunk
  13   JINTSU Light Cruiser 5,900 7-36S, 157-06E United States Surface Craft Sunk
  17   HATSUYUKI Destroyer 1,950 6-50S, 155-47E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  20   KIYONAMI Destroyer 2,100 7-13S, 156-45E United States Army Aircraft
Navy Land-
|Based Aircraft
Marine Land-
Based Aircraft
Sunk
  20   YUGURE Destroyer 1,600 7-25S, 156-45E United States Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk

--6--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July 22 1943  NISSHIN Seaplane Tender 9,000 6-35S, 156-10E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  27   HIRASHIMA Special Minelayer 720 32-32N, 127-41E United States Submarine Sunk
  27   I 24 Submarine 2,180 2-50S, 149-01E United States Submarine Sunk
  28   ARIAKE Destroyer 1,600 5-27S, 148-25E United States Army Aircraft Sunk
  28   MIKATSUKI Destroyer 1,500 5-27S, 148-25E United States Army Aircraft Sunk
      13 Vessels 33,237        
August 2 1943 MOTOR TORPEDO BOAT NO 112 Torpedo Boat 500e 6-40S, 146-50E United States Army Aircraft Sunk
  2   MOTOR TORPEDO BOAT NO 113 Torpedo Boat 500e 6-40S, 146-50E United States Army Aircraft Sunk
  6   ARASHI Destroyer 1,900 7-50S, 156-47E United States Surface Craft Sunk
  6   HAGIKAZE Destroyer 1,900 7-50S, 156-47E United States Surface Craft Sunk
  6   KAWAKAZE Destroyer 1,580 7-50S, 156-47E United States Surface Craft Sunk
  18   SPECIAL SUBMARINE CHASER NO 5 Special Submarine Chaser 100e 7-26S, 156-45E United States Surface Craft Sunk
  18   SPECIAL SUBMARINE CHASER NO 12 Special Submarine Chaser 100e 7-26S, 156-45E United States Surface Craft Sunk
  19   I 17 Submarine 2,212 23-26S, 166-50E United States

New Zealand
Navy Land-
Based Aircraft Surface Craft
Sunk
  19   SPECIAL SUBMARINE CHASER NO 109 Special Submarine Chaser 200 3-01S, 125-50E United States Submarine Sunk
  25   I 178 Submarine 1,630 12-57S, 164-23E United States Surface Craft Sunk
      10 Vessels 10,622        
September 2 1943 MUTSURE Frigate 860 8-40N, 151-31E United States Submarine Sunk
  3   I 168 Submarine 1,785 13-10S, 165-28E United States Surface Craft Sunk
  9   I 182 Submarine 1,630 10-33N, 125-31E United States Submarine Sunk
  11   MINESWEEPER NO 16 Minesweeper 492 6-08S, 119-20E Australia Mine Sunk
  15   RO 103 Submarine 525 10-57S, 163-56E United States Navy Land-
Based Aircraft
Surface Craft
Sunk
  26   KASASAGI Torpedo Boat 595 5-50S, 121-57E United States Submarine Sunk
  30   PETEREL River Gunboat 310 21-12N, 110-24E United States Army Aircraft Sunk
      7 Vessels 6,197        
October 1 1943 I 20 Submarine 2,180 7-40S, 157-10E United States Surface Craft Sunk
  6   YUGUMO Destroyer 1,900 7-32S, 156-20E United States Surface Craft Sunk
  12   BOKO Special Minelayer 400e 4-35S, 152-11E United States Army Aircraft Sunk
  16   SPECIAL SUBMARINE CHASER NO 31 Special Submarine Chaser 100 4-00S, 152-00E United States Army Aircraft Sunk
  24   MOCHITSUKI Destroyer 1,500 5-42S, 151-40E United States Navy Land-
Based Aircraft
Sunk
      5 Vessels 6,080        

--7--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November 2 1943 SENDAI Light Cruiser 5,900 6-20S, 154-20E United States Surface Craft Sunk
  2   HATSUKAZE Destroyer 1,900 6-20S, 154-20E United States Surface Craft Sunk
  2   MINESWEEPER NO 26 Minesweeper 500e 4-13S, 152-11E United States Army Aircraft Sunk
  4   TSUKUSHI Surveying Ship 2,000e 2-40S, 150-40E Australia Mine Sunk
  4   SPECIAL SUBMARINE CHASER NO 30 Special Submarine Chaser 100 7-34N, 134-0E United States Submarine Sunk
  6   SUBMARINE CHASER NO 11 Submarine Chaser 270 5-26S, 154-33E United States Army Aircraft Sunk
  11   SUZUNAMI Destroyer 2,100 4-13S, 152-11E United States Navy Carrier-
Based Aircraft
Sunk
  12   I 34 Submarine 2,212 5-17N, 100-05E Great Britain Submarine Sunk
  16   UKISHIMA Special Minelayer 720 Off Japan Unknown Unknown Sunk
  18   SANAYE Old Destroyer 820 4-52N, 122-07E United States Submarine Sunk
  23   I 35 Submarine 2,212 1-22N, 172-47E United States Surface Craft Sunk
  23   WAKAMIYA Frigate 860 28-49N, 122-11E United States Submarine Sunk
  25   I 19 Submarine 2,212 3-10N, 171-55E United States Surface Craft Sunk
  25   YUGIRI Destroyer 1,950 4-48S, 153-55E United States Surface Craft Sunk
  25   MAKINAMI Destroyer 1,900 5-06S, 153-44E United States Surface Craft Sunk
  25   ONAMI Destroyer 2,100 5-06S, 153-44E United States Surface Craft Sunk
        16 Vessels 27,756        
December - 1943 RO 38 Submarine 965 Pacific Ocean Unknown Unknown Sunk
  4   CHUYO Escort Aircraft Carrier 20,000 32-37N, 143-39E United States Submarine Sunk
  16   I 179 Submarine 1,630 4-28S, 147-22E United States Navy Land-
Based Aircraft
Sunk
  19   NUMAKAZE Destroyer 1,300 26-29N, 128-26E United States Submarine Sunk
  20   FUYO Old Destroyer 820 14-44N, 119-55E United States Submarine Sunk
  23   I 39 Submarine 2,212 9-23S, 160-09E United States Surface Craft Sunk
  23   NANYO Gunboat 1,200 25-30N, 119-30E United States Army Aircraft Sunk
  25   MINESWEEPER NO 31 Minesweeper 492 2-36S, 150-49E United States Navy Carrier-
Based Aircraft
Probably sunk
        8 Vessels 28,619        
January - 1944 I 181 Submarine 1,630 Off New Guinea Unknown Unknown Sunk
  11   KUMA Light Cruiser 5,700 6-00N, 99-00E Great Britain Submarine Sunk
  14   SAZANAMI Destroyer 1,950 5-15N, 141-15E United States Submarine Sunk
  15   PING SANG Yacht 171 21-00N, 107-22E United States Army Aircraft Sunk
  22   I 48 Submarine 2,180 9-45N, 138-20E United States Surface Craft Sunk
  22   RO 37 Submarine 965 11-47S, 164-17E United States Surface Craft Sunk
  22   SPECIAL SUBMARINE CHASER NO 40 Special Submarine Chaser 100 1-50S, 147-20E United States Army Aircraft Sunk
  26   SPECIAL SUBMARINE CHASER NO 14 Special Submarine Chaser 130 11-10N, 163-25E United States Navy Land-
Based Aircraft
Sunk
  26   SUZUKAZE Destroyer 1,580 8-51N, 157-10E United States Submarine Sunk

--8--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 30 1944 SPECIAL SUBMARINE CHASER NO 28 Special Submarine Chaser 100 8-42N, 167-441 United States Navy Carrier-
Based Aircraft
Surface Craft.
Sunk
  30   SPECIAL SUBMARINE CHASER NO 25 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  30   SPECIAL SUBMARINE CHASER NO 21 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  30   SPECIAL SUBMARINE CHASER NO 19 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  30   SPECIAL SUBMARINE CHASER NO 18 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  31   I 171 Submarine 1,785 5-37S, 154-14E United States Surface Craft Sunk
  31   SPECIAL SUBMARINE CHASER NO 33 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  31   NASAMI Special Minelayer 443 9-50N, 147-06E United States Submarine Sunk
        17 Vessels 17,234        
February - 1944 I 40 Submarine 2,212 Marshall Islands Unknown Unknown Sunk
  1   RO 39 Submarine 965 9-24N, 170-32E United States Surface Craft Sunk
  1   UMIKAZE Destroyer 1,580 7-10N, 151-43E United States Submarine Sunk
  4   I 21 Submarine 2,212 6-48N, 168-08E United States Surface Craft Sunk
  10   MINEKAZE Destroyer 1,300 23-12N, 121-30E United States Submarine Sunk
  11   RO 110 Submarine 525 17-25N, 83-21E Australia
India
Surface Craft
Surface Craft
Sunk
  12   I 27 Submarine 2,212 1-25N, 72-22E Great Britain Surface Craft Sunk
  15   I 43 Submarine 2,212 12-42N, 49-17E United States Submarine Sunk
  16   RO 40 Submarine 965 9-50N, 166-35E United States Surface Craft Sunk
  16   SPECIAL SUBMARINE CHASER NO. 16 Special Submarine Chaser 100e 2-24S, 150-06E United States Army Aircraft Sunk
  16   AGANO Light Cruiser 7,000 10-11N, 151-42E United States Submarine Sunk
  17   I 11 Submarine 2,443 10-34N, 173-31E United States Surface Craft Sunk
  17   SUBMARINE CHASER NO 24 Submarine Chaser 300 7-24N, 150-30E United States Surface Craft Sunk
  17   NAKA Light Cruiser 5,900 7-15N, 151-15E United States Navy Carrier-
Based Aircraft
Sunk
  17   FUMITSUKI Destroyer 1,500 7-24N, 151-44E United States Navy Carrier-
Based Aircraft
Sunk
  17   TACHIKAZE Destroyer 1,300 7-04N, 151-55E United States Navy Carrier-Based Aircraft Sunk

--9--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 17 1944 MAIKAZE Destroyer 1,900 7-45N, 151-20E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  17   OITE Destroyer 1,270 7-40N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   SUBMARINE CHASER NO 29 Submarine Chaser 270 7-25N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   SPECIAL SUBMARINE CHASER NO 29 Special Submarine Chaser 100e 2-24S, 150-06E United States Army Aircraft Sunk
  17   SUBMARINE CHASER NO 39 Submarine Chaser 300 2-24S, 150-06E United States Army Aircraft Sunk
  17   KATORI Training Cruiser 6,000 7-45N, 151-20E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  19   SPECIAL SUBMARINE CHASER NO 34 Special Submarine Chaser 100e 2-45S, 150-47E United States Army Aircraft Sunk
  19   SUBMARINE CHASER NO 22 Submarine Chaser 300 3-04S, 150-42E United States Army Aircraft Sunk
  19   SUBMARINE CHASER NO 40 Submarine Chaser 300 3-04S, 150-42E United States Army Aircraft Sank
  21   SPECIAL SUBMARINE CHASER NO 48 Special Submarine Chaser 100 2-30S, 150-15E United States Army Aircraft Sunk
  22   NATSUSHIMA Special Minelayer 443 2-40S, 149-40E United States Surface Craft Sunk
  22   NAGAURA Tug 800e 00-54S, 148-38E United States Surface Craft Sank
  22   FRANCIS GARNIER River Gunboat 639 10-30N, 108-00E United States Army Mine Sunk
  26   ASTROLABE Surveying Ship 215 16-04N, 108-13E United States Army Aircraft Sank
        30 Vessels 45,463        
March 3 1944 KARATSU River Gunboat 560 8-52N, 123-23E United States Submarine Sunk
  4   SHIRAKAMI Special Minelayer 720 39-30N, 142-00E Japan Marine Casualty Sunk
  13   TATSUTA Light Cruiser 3,300 32-58N, 138-52E United States Submarine Sunk
  16   SHIRAKUMO Destroyer 1,950 42-25N, 144-55E United States Submarine Sunk
  19   SPECIAL SUBMARINE CHASER NO 47 Special Submarine Chaser 100 2-55S, 143-40E United States Army Aircraft Sunk
  19   SPECIAL SUBMARINE CHASER NO 49 Special Submarine Chaser 100 2-55S, 143-40E United States Army Aircraft Sank
  23   I 42 Submarine 2,212 6-40N, 134-03E United States Submarine Sunk
  24   I 32 Submarine 2,212 8-30N, 170-10E United States Surface Craft Sank
  25   SUBMARINE CHASER NO 54 Submarine Chaser 300 28-34N, 142-14E United States Submarine Sunk
  30   WAKATAKE Old Destroyer 820 7-50N, 134-20E United States Navy Carrier-
Based Aircraft
Sank
  30   PATROL BOAT NO 31 Old Destroyer 750e 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   SPECIAL SUBMARINE CHASER NO 22 Special Submarine Chaser 100 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sank

--10--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March         30 1944 SPECIAL SUBMARINE CHASER NO 26 Special Submarine Chaser 100 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
  30   SPECIAL SUBMARINE CHASER NO 53 Special Submarine Chaser 170 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
  30   SUBMARINE CHASER NO 6 Submarine Chaser 270 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
  30   AKASHI Repair Ship 9,000 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
        16 Vessels 22,664        
April 4 1944 I 169 Submarine 1,785 7-25N, 151-50E Japan Marine Casualty Sunk
  5   SPECIAL SUBMARINE CHASER NO 46 Special Submarine Chaser 130 7-26N, 151-52E United States Navy Carrier-Based Aircraft Sunk
  6   I 2 Submarine 1,995 2-17S, 149-14E United States Surface Craft Sunk
  11   AKIGUMO Destroyer 1,900 6-43N, 122-23E United States Submarine Sunk
  13   IKAZUCHI Destroyer 1,950 10-13N, 143-51E United States Submarine Sunk
  15   MINESWEEPER NO 7 Minesweeper 630 11-34N, 93-08E Great Britain Submarine Sunk
  20   RO 45 Submarine 965 15-19N, 145-31E United States Submarine Sunk
  22   HOKUAN Salvage Vessel 534 7-10N, 99-20E Great Britain Submarine Sunk
  23   AMAGIRI Destroyer 1,950 2-10S, 116-45E United States Army Mine Sunk
  26   I 180 Submarine 1,630 55-10N, 155-40W United States Surface Craft Sank
  27   KAMONE Special Minelayer 450 27-37N, 128-11E United States Submarine Sunk
  27   YUBARI Light Cruiser 3,500 5-20N, 132-16E United States Submarine Sunk
  28   I 183 Submarine 1,630 32-07N, 133-03E United States Submarine Sunk
  29   I 174 Submarine 1,785 6-13N, 151-19E United States Navy Carrier-Based Aircraft Surface Craft Sunk
  29   TAHURE River Gunboat 644 13-02N, 109-28E United States Submarine Sunk
  30   SPECIAL SUBMARINE CHASER NO 38 Special Submarine Chaser 100 7-22N, 151-45E United States Navy Carrier- Based Aircraft Sank
        16 Vessels 21,578        
May 10 1944 KARUKAYA Old Destroyer 820 15-38N, 119-25E United States Submarine Sunk
  13   RO 501 Submarine 1,200 18-08N, 33-13W United State Surface Craft Sank
  14   INAZUMA Destroyer 1,950 5-08N, 119-38E United States Submarine Sunk
  16   I 176 Submarine 1,630 4-01S,156-29E United States Surface Craft Sunk
  19   I 16 Submarine 2,180 5-10S, 158-17E United States Surface Craft Sank
  21   RO 106 Submarine 525 1-40N, 150-31E United States Surface Craft Sunk
  22   RO 104 Submarine 525 1-26N, 149-20E United States Surface Craft Sunk
  22   HASHIDATE Gunboat 1,200 21-20N, 117-10E United States Submarine Sunk
  22   ASANAGI Destroyer 1,270 28-20N, 138-57E United States Submarine Sunk
  23   RO 116 Submarine 525 00-53N, 149-14E United States Surface Craft Sunk
  24   IKI Frigate 860 1-17N, 107-50E United States Submarine Sunk
  26   RO 108 Submarine 525 00-32S, 148-35E United States Surface Craft Sunk

--11--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May 29 1944 RO 105 Submarine 525 00-47N, 149-56E United States Surface Craft Sunk
  30   ISHIGAKI Frigate 860 48-30N, 151-30E United States Submarine Sunk
        14 Vessels 14,595        
June           2 1944 AWAJI Frigate 900e 22-34N, 121-51E United States Submarine Sunk
  4   TRANSPORT NO 128 Tank Landing Ship 1,000e 4-00N, 129-45E United States Army Aircraft Sunk
  6   COAST DEFENSE VESSEL NO 15 Frigate 800e 8-58N, 109-30E United States Submarine Sunk
  6   MINATSUKI Destroyer 1,500 4-05N, 119-30E United States Submarine Sunk*
  7   HAYANAMI Destroyer 2,100 4-43N, 120-03E United States Submarine Sunk
  8   HARUSAME Destroyer 1,580 00-05N, 132-45E United States Army Aircraft Sunk
  8   KAZEGUMO Destroyer 1,900 6-03N, 125-57E United States Submarine Sunk
  9   MATSUKAZE Destroyer 1,270 26-59N, 143-13E United States Submarine Sunk
  9   TANIKAZE Destroyer 1,900 5-42N, 120-41E United States Submarine Sunk
  10   I 5 Submarine 1,995 00-26N, 149-16E United States Surface Craft Sank
  10   RO 111 Submarine 525 10-05N, 168-22E United States Surface Craft Sank
  12   I 33 Submarine 2,212 33-30N, 132-30E Japan Marine Casualty Sank
  12   OTORI Torpedo Boat 595 17-32N, 144-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   SPECIAL SUBMARINE CHASER NO 35 Special Submarine Chaser 100 17-30N, 143-18E United States Navy Carrier-
Based Aircraft*
Sank
  12   SPECIAL SUBMARINE CHASER NO 54 Special Submarine Chaser 100 17-30N, 143-18E United States Navy Carrier-
Based Aircraft*
Sunk
  12   SPECIAL SUBMARINE CHASER NO 56 Special Submarine Chaser 100 17-30N, 143-18E United States Navy Carrier-
Based Aircraft*
Sank
  13   RO 36 Submarine 965 15-21N, 147-00E United States Surface Craft Sunk
  13   TRANSPORT NO 1 High Speed Transport 1,500 11-30N, 140-00E United States Navy Carrier-
Based Aircraft
Sunk
  15   SHIRATSUYU Destroyer 1,580 9-09N, 126-51E Japan Marine Casualty Sunk
  15   RO 44 Submarine 965 11-13N, 164-15E United States Surface Craft Sunk
  15   SPECIAL MINELAYER NO 101 Special Minelayer 730 15-15N, 145-45E United States Surface Craft Sunk
  16   RO 114 Submarine 525 15-02N, 144-10E United States Surface Craft Sunk
  17   RO 117 Submarine 525 11-05N, 150-31E United States Navy Land-
Based Aircraft
Sunk
  19   I 184 Submarine 1,630 13-01N, 149-53E United States Navy Carrier-
Based Aircraft
Sunk
  19   SHOKAKU Aircraft Carrier 30,000 11-50N, 137-57E United States Submarine Sunk
  19   TAIHO Aircraft Carrier 31,000 12-22N, 137-04E United States Submarine Sunk
  20   HITAKA Aircraft Carrier 28,000 15-30N, 133-30E United States Navy Carrier-
Based Aircraft
Sank
  22   I 185 Submarine 1,630 15-50N, 147-08E United States Surface Craft Sunk
*Probable Agent

--12--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June      24 1944 I 52 Submarine 2,095 15-16N, 39-55W United States Navy Carrier-
Based Aircraft
Sunk
  28   COAST DEFENSE VESSEL NO 24 Frigate 800e 24-44N, 140-20E United States Submarine Sunk
  29   TSUGARU Minelayer 4,400e 2-19N, 127-57E United States Submarine Sunk
        31 Vessels 124,922        
July 4 1944 I 10 Submarine 2,443 15-26N, 147-48E United States Surface Craft Sank
  4   SUBMARINE CHASER NO 16 Submarine Chaser 300 27-00N, 140-50E United States Navy Carrier-Based Aircraft Sank
  4   SARUSHIMA Special Minelayer 443 27-10N, 142-10E United States Navy Carrier-Based Aircraft Sank
  4   TRANSPORT NO 103 Tank Landing Ship 1,000e 27-05N, 142-09E United States Navy Carrier-Based Aircraft Sank
  4   TRANSPORT NO 130 Tank Landing Ship 1,000e 24-47N, 141-20E United States Navy Carrier-Based Aircraft Sank
  6   HOKAZE Destroyer 1,300 3-24N, 125-28E United States Submarine Sunk
  7   USUGUMO Destroyer 1,950 47-43N, 147-55E United States Submarine Sunk
  7   TAMANAMI Destroyer 2,100 13-55N, 118-30E United States Submarine Sunk
  10   SPECIAL SUBMARINE CHASER NO 23 Special Submarine Chaser 100 4-13S, 152-11E New Zealand Aircraft Sank
  13   I 6 Submarine 1,995 15-18N, 144-26E United States Surface Craft Sank
  17   I 166 Submarine 1,635 5-10N, 100-00E Great Britain Submarine Sunk
  17   MINESWEEPER NO 25 Minesweeper 492 33-51N, 138-35E United States Submarine Sunk
  18   RO 48 Submarine 965 13-01N, 151-58E United States Surface Craft Sank
  18   SUBMARINE CHASER NO 50 Submarine Chaser 300e 29-22N, 139-14E United States Submarine Sunk
  19   SPECIAL MINESWEEPER NO 4 Special Minesweeper 300 8-38S, 125-26E Australia Aircraft Sank
  19   OI Light Cruiser 5,700 12-45N, 114-20E United States Submarine Sunk
  25   UNKNOWN SCS Special Submarine Chaser 100e 7-05N, 134-20E United States Navy Carrier-Based Aircraft Sank
  25   SAMIDARE Destroyer 1,580 8-10N, 134-38E United States Navy Carrier-Based Aircraft Submarine Sank
  26   SOKUTEN Special Minelayer 720 7-20N, 134-27E United States Navy Carrier-Based Aircraft Sank
  26   TRANSPORT NO 150 Tank Landing Ship 1,000e 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sank
  26   I 29 Submarine 2,212 20-10N, 121-50E United States Submarine Sunk
  28   I 55 Submarine 2,095 14-26N, 152-16E United States Surface Craft Sank
        22 Vessels 29,730        

--13--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
August 4 1944 MATSU Destroyer 900 27-40N, 141-48E United States Surface Craft Sunk
  4   TRANSPORT NO 4 High Speed Transport 1,500e 27-07N, 142-12E United States Navy Carrier-
Based Aircraft
Sunk
  4   TRANSPORT NO 133 Tank Landing Ship 1,000e 24-47N, 141-20E United States Navy Carrier-
Based Aircraft
Sunk
  4   TRANSPORT NO 152 Tank Landing Ship 1,000e 24-47N, 141-20E United States Navy Carrier-
Based Aircraft
Sunk
  5   TRANSPORT NO 2 High Speed Transport 1,500e 27-05N, 142-09E United States Navy Carrier-
Based Aircraft
Sunk
  7   SPECIAL SUBMARINE CHASER NO 94 Special Submarine Chaser 100e 20-00N, 122-00S Japan Marine Casualty Sunk
  7   KUSAKAKI Frigate 900e 14-51N, 119-59E United States Submarine Sunk
  7   NAGARA Light Cruiser 5,700 32-09N, 129-53E United States Submarine Sunk
  13   SUBMARINE CHASER NO 12 Submarine Chaser 300 6-17N, 126-09E United States Submarine Sunk
  14   TRANSPORT NO 129 Tank Landing Ship 1,000e 4-17S, 126-46E United States Submarine Sunk
  18   OTAKA Escort Aircraft Carrier 20,000 13-16N, 120-20E United States Submarine Sunk
  18   NATORI Light Cruiser 5,700 12-29N, 128-49E United States Submarine Sunk
  22   SADO Frigate 860 14-15N, 120-05E United States Submarine Sunk
  22   MATSUWA Frigate 860 14-15N, 120-05E United States Submarine Sunk
  22   HIBURI Frigate 900e 14-15N, 120-05E United States Submarine Sunk
  23   ASAKAZE Destroyer 1,270 16-06N, 119-44E United States Submarine Probably sunk
  23   MINESWEEPER NO 22 Minesweeper 492 8-09N, 134-38E United States Submarine Sunk
  25   YUNAGI Destroyer 1,270 18-46N, 120-46E United States Submarine Sunk
  28   SPECIAL SUBMARINE CHASER NO 77 Special Submarine Chaser 170 50-30N, 156-20E United States Army Aircraft Sunk
  29   MINESWEEPER NO 28 Minesweeper 492 2-03N, 122-28E United States Submarine Sunk
  31   SHIRATAKA Minelayer 1,345 21-05N, 121-26E United States Submarine Sunk
        21 Vessels 47,259        
September 9 1944 SPECIAL SUBMARINE CHASER NO 8 Special Submarine Chaser 100 3-54N, 98-44E Great Britain Mine Sunk
  11   SPECIAL SUBMARINE CHASER NO 165 Special Submarine Chaser 170 32-20N, 131-50E United States Submarine Sunk
  12   SUBMARINE CHASER NO 55 Submarine Chaser 300e 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   MIHO Salvage Vessel 632 10-35N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   SHIKINAMI Destroyer 1,950 18-16N, 114-40E United States Submarine Sunk
  12   HIRADO Frigate 860 17-54N, 114-49E United States Submarine Sunk
  14   TRANSPORT NO 5 High Speed Transport 1,500e 6-10N, 126-00E United States Navy Carrier-
Based Aircraft
Sunk
  15   RO 42 Submarine 965 34-30N, 145-23E United States Submarine Sunk

--14--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 15 1944 TRANSPORT NO 3 High Speed Transport 1,500e 5-34N,125-23E United States Submarine Sunk
  16   UNYO Escort Aircraft Carrier 20,000 19-18N, 116-26E United States Submarine Sunk
  19   IOSHIMA Frigate 900e 33-40N, 138-18E United States Submarine Sunk
  21   SATSUKI Destroyer 1,500 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   COAST DEFENSE VESSEL NO 5 Frigate 800e 15-25N, 119-50E United States Navy Carrier-
Based Aircraft
Sunk
  21   SUNOSAKI Repair Ship 1,800e 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   KATSURIKI Surveying Ship 1,540 13-35N, 119-06E United States Submarine Sunk
  24   HAYABUSA Torpedo Boat 595 13-00N, 122-00E United States Navy Carrier-
Based Aircraft
Probably sunk
  24   SPECIAL SUBMARINE CHASER NO 39 Special Submarine Chaser 100e 12-21N, 123-00E United States Navy Carrier-
Based Aircraft
Sunk
  24   SUBMARINE CHASER NO 32 Submarine Chaser 300 12-15N, 121-00E United States Navy Carrier-
Based Aircraft
Sunk
  24   SPECIAL MINESWEEPER NO 7 Special Minesweeper 300e 11-45N, 123-30E United States Navy Carrier-
Based Aircraft
Sunk
  24   YAEYAMA Minelayer 1,135 12-15N, 121-00E United States Navy Carrier-
Based Aircraft
Sunk
  24   AKITSUSHIMA Seaplane Tender 9,000 11-59N, 120-02E United States Navy Carrier-
Based Aircraft
Sunk
  25   I 175 Submarine 1,785 9-19N, 136-44E United States Surface Craft Sunk
  26   AOTAKA Minelayer 1,600 7-00N, 116-00E United States Submarine Sunk
  27   COAST DEFENSE VESSEL NO 10 Frigate 800e 29-26N, 128-50E United States Submarine Sunk
        24 Vessels 50,132        
October 1 1944 AJIRO Special Minelayer 720e 28-11N, 139-30E United States Submarine Sunk
  2   I 364 Submarine 1,470 7-48N, 133-28E United States Surface Craft Sunk
  4   TRANSPORT NO 134 Tank Landing Ship 1,000e 24-47N, 141-20E Japan Marine Casualty Sunk
  6   SAGA Gunboat 990 22-17N, 114-10E United States Army Mine Sunk
  6   SPECIAL SUBMARINE CHASER NO 2 Special Submarine Chaser 100 4-20N, 98-24E Great Britain Submarine Sunk
  6   COAST DEFENSE VESSEL NO 21 Frigate 800e 19-27N, 118-08E United States Submarine Sunk
  10   TRANSPORT NO 158 Tank Landing Ship 1,000e 26-38N, 127-52E United States Navy Carrier-
Based Aircraft
Sunk
  10   JINGEI Submarine Tender 5,160 26-39N, 127-52E United States Navy Carrier-
Based Aircraft
Sunk
  11   TRANSPORT NO 105 Tank Landing Ship 1,000e 33-18N, 137-42E United States Submarine Sunk
  16   HATO Torpedo Boat 595 21-54N, 116-30E United States Army Aircraft Sunk
  17   ITSUKUSHIMA Minelayer 1,970 5-26S, 113-48E Netherlands Submarine Sunk

--15--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October      18 1944 SPECIAL SUBMARINE CHASER NO 95 Special Submarine Chaser 100e 18-54N, 121-51E United States Navy Carrier-
Based Aircraft
Sunk
  18   TRANSPORT NO 135 Tank Landing Ship 1,000e 17-46N, 120-25E United States Navy Carrier-
Based Aircraft
Sunk
  18   TRANSPORT NO 136 Tank Landing Ship 1,000e 17-46N, 120-25E United States Navy Carrier-
Based Aircraft
Probably sunk
  22   SPECIAL SUBMARINE CHASER NO 15 Special Submarine Chaser 100 11-30N, 124-00E United States Navy Carrier-
Based Aircraft*
Sunk
  23   MAYA Heavy Cruiser 12,200 9-29N, 117-20E United States Submarine Sunk
  23   ATAGO Heavy Cruiser 12,200 9-24N, 117-11E United States Submarine Sunk*
  24   I 362 Submarine 1,470 9-45N, 126-45E United States Surface Craft Sunk
  24   MUSASHI Battleship 63,000 12-50N, 122-35E United States Navy Carrier-
Based Aircraft
Sunk
  24   WAKABA Destroyer 1,600 11-50N, 121-25E United States Navy Carrier-
Based Aircraft
Sunk
  25   FUSO Battleship 33,000 10-25N, 125-20E United States Surface Craft Sunk
  25   YAMASHIRO Battleship 33,000 10-25N, 125-20E United States Surface Craft Sunk
  25   ASAGUMO Destroyer 1,850 10-25N, 125-20E United States Surface Craft Sunk
  25   YAMAGUMO Destroyer 1,850 10-25N, 125-20E United States Surface Craft Sunk
  25   MICHISHIO Destroyer 1,850 10-25N, 125-20E United States Surface Craft Sunk
  25   HATSUTSUKI Destroyer 1,900 20-24N, 126-20E United States Surface Craft* Sunk
  25   ZUIKAKU Aircraft Carrier 30,000 19-20N, 125-51E United States Navy Carrier-
Based Aircraft
Sunk
  25   SUZUYA Heavy Cruiser 13,000 11-30N, 126-30E United States Navy Carrier-
Based Aircraft
Sunk
  25   CHIYODA Light Aircraft Carrier 11,000 18-37N, 126-45E United States Navy Carrier-
Based Aircraft
Sunk
  25   ZUIHO Light Aircraft Carrier 12,000 19-20N, 125-51E United States Navy Carrier-
Based Aircraft
Sunk
  25   SPECIAL SUBMARINE CHASER NO 62 Special Submarine Chaser 170 7-30N, 134-30E United States Marine Carrier-
Based Aircraft*
Sunk
  25   CHIKUMA Heavy Cruiser 12,000 11-30N, 126-30E United States Navy Carrier-
Based Aircraft Surface Craft*
Sunk
  25   CHOKAI Heavy Cruiser 12,200 11-30N, 126-30E United States Navy Carrier-
Based Aircraft Surface Craft*
Sunk
  25   MOGAMI Heavy Cruiser 13,000 9-40N, 124-50E United States Navy Carrier-
Based Aircraft Surface Craft
Sunk
  25   CHITOSE Light Aircraft Carrier 11,000 19-20N, 126-20E United States Navy Carrier-
Based Aircraft Surface Craft
Sunk
*Probable Agent

--16--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October 25 1944 AKITSUKI Destroyer 1,900 20-29N, 126-36E United States Submarine* Sunk
  25   TAMA Light Cruiser 5,700 21-23N, 127-19E United States Navy Carrier-
Based Aircraft Submarine
Sunk
  26   NOWAKI Destroyer 1,900 13-00N, 124-54E United States Surface Craft Sunk
  26   KINU Light Cruiser 5,700 11-46N, 123-11E United States Army Aircraft Navy Carrier-
Based Aircraft
Sunk
  26   NOSHIRO Light Cruiser 7,000 11-35N, 121-45E United States Navy Carrier-
Based Aircraft
Sunk
  26   HAYASHIMO Destroyer 2,100 12-05N, 121-50E United States Navy Carrier-
Based Aircraft
Sunk
  26   URANAMI Destroyer 1,950 11-50N, 123-00E United States Navy Carrier-
Based Aircraft
Sunk
  26   ABUKUMA Light Cruiser 5,700 9-20N, 122-30E United States Army Aircraft Surface CraftNavy Carrier-
Based Aircraft*
Sunk
  27   FUJINAMI Destroyer 2,100 12-00N, 122-30E United States Navy Carrier-
Based Aircraft
Sunk
  27   SHIRANUHI Destroyer 1,650 12-00N, 122-30E United States Navy Carrier-
Based Aircraft
Sunk
  27   TRANSPORT NO 138 Tank Landing Ship 1,000e 25-22N, 141-31E United States Submarine Sunk
  28   I 45 Submarine 2,212 10-10N, 127-28E United States Surface Craft Sunk
  28   I 54 Submarine 2,140 10-56N, 127-13E United States Surface Craft Sunk
  31   KAIYO NO 6 District Craft 100e 32-50N, 134-21E United States Submarine* Sunk
        49 Vessels 336,447        
November   3 1944 AKIKAZE Destroyer 1,300 16-48N, 117-17E United States Submarine Sunk
  4   MINESWEEPER NO 5 Minesweeper 615 3-14N, 99-50E Great Britain Submarine Sunk
  5   TRANSPORT NO 112 High Speed Transport 1,000e 12-40N, 121-22E Japan Marine Casualty Sunk
  5   NACHI Heavy Cruiser 12,700 14-23N, 120-25E United States Navy Carrier-
Based Aircraft
Sunk
  5   PATROL BOAT NO 107 Yacht 1,000 13-50N, 120-20E United States Navy Carrier-
Based Aircraft
Sunk
  5   NOTORO Seaplane Tender 14,050 1-18N, 103-52E United States Army Aircraft Sunk
  6   TRANSPORT NO 139 Tank Landing Ship 1,000e 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Probably sunk
  6   SPECIAL SUBMARINE CHASER NO 118 Special Submarine Chaser 100e 9-38S, 120-17E Australia Aircraft Sunk
  8   SAGI Torpedo Boat 595 16-09N, 118-56E United States Submarine Sunk
  10   COAST DEFENSE VESSEL NO 11 Frigate 800e 10-50N, 124-35E United States Army Aircraft Sunk
*Probable Agent

--17--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November   10 1944 PATROL BOAT NO 46 Old Destroyer 820 34-30N, 138-34E United States Submarine Sunk
  11   NAGANAMI Destroyer 1,900 10-50N, 124-35E United States Navy Carrier- Based Aircraft Sunk
  11   HAMANAMI Destroyer 2,100 10-50N, 124-35E United States Navy Carrier- Based Aircraft Sunk
  11   SHIMAKAZE Destroyer 1,300 10-50N, 124-35E United States Navy Carrier- Based Aircraft Sunk
  11   WAKATSUKI Destroyer 1,900 10-50N, 124-35E United States Navy Carrier- Based Aircraft Sunk
  11   MINESWEEPER NO 30 Minesweeper 630e 10-50N, 124-31E United States Navy Carrier- Based Aircraft Sunk
  12   I 37 Submarine 2,212 8-04N, 138-03E United States Surface Craft Sunk
  13   I 38 Submarine 2,212 31-55N, 139-45W United States Surface Craft Sunk
  13   KISO Light Cruiser 5,700 14-35N, 120-50E United States Navy Carrier- Based Aircraft Sunk
  13   AKEBONO Destroyer 1,950 14-35N, 120-50E United States Navy Carrier- Based Aircraft Sunk
  13   AKISHIMO Destroyer 2,100 14-35N, 120-50E United States Navy Carrier- Based Aircraft Sunk
  13   HATSUHARU Destroyer 1,600 14-35N, 120-50E United States Navy Carrier- Based Aircraft Sunk
  13   OKINAMI Destroyer 2,100 14-35N, 120-50E United States Navy Carrier- Based Aircraft Sunk
  13   SPECIAL SUBMARINE CHASER NO 116 Special Submarine Chaser 100e 14-30N, 120-45E United States Navy Carrier- Based Aircraft Sunk
  14   KURASAKI Miscellaneous Auxiliary 989 17-27N, 117-43E United States Submarine Sunk
  14   COAST DEFENSE VESSEL NO 7 Frigate 800e 17-46N, 117-57E United States Submarine Sunk
  17   I 26 Submarine 2,212 12-44N, 130-42E United States Navy Carrier- Based Aircraft Sunk
  17   JINYO Escort Aircraft Carrier 21,000 33-02N, 123-33E United States Submarine Sunk
  17   HIYODORI Torpedo Boat 595 16-56N, 110-30E United States Submarine Sunk
  18   SPECIAL SUBMARINE CHASER NO 156 Special Submarine Chaser 100e 33-07N, 123-09E United States Submarine Probably sunk
  19   I 177 Submarine 1,630 8-07N, 134-16E United States Surface Craft Sunk
  20   SPECIAL MINELAYER NO 4 Special Minelayer 600e 6-55N, 94-15E Great Britain Submarine Sunk
  20   MINESWEEPER NO 38 Minesweeper 630e 21-21N, 119-45E United States Submarine Sunk
  21   KONGO Battleship 31,000 26-09N, 121-23E United States Submarine Sunk
  21   URAKAZE Destroyer 1,900 26-09N, 121-23E United States Submarine Sunk
  22   TRANSPORT NO 151 Tank Landing Ship 1,000e 11-22N, 119-07E United States Submarine Sunk
  24   SUBMARINE CHASER NO 46 Submarine Chaser 300 11-35N, 124-10E United States Army Aircraft Sunk
  24   TRANSPORT NO 111 Tank Landing Ship 1,000e 11-35N, 124-10E United States Army Aircraft Sunk
  24   TRANSPORT NO 141 Tank Landing Ship 1,000e 11-35N, 124-10E United States Army Aircraft Sunk
  24   TRANSPORT NO 160 Tank Landing Ship 1,000e 11-35N, 124-10E United States Army Aircraft Sunk

--18--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November   25 1944 KUMANO Heavy Cruiser 13,000 15-47N, 119-48E United States Navy Carrier-
Based Aircraft
Sunk
  25   YASOJIMA Frigate 900e 15-40N, 119-45E United States Navy Carrier-
Based Aircraft
Sunk
  25   TRANSPORT NO 6 High Speed Transport 1,500e 13-32N, 121-52E United States Navy Carrier-
Based Aircraft
Sunk
  25   TRANSPORT NO 10 High Speed Transport 1,500e 13-32N, 121-52E United States Navy Carrier-
Based Aircraft
Sunk
  25   UNKNOWN LST Tank Landing Ship 1,000e 15-40N, 119-45E United States Navy Carrier-
Based Aircraft
Sunk
  25   UNKNOWN LST Tank Landing Ship 1,000e 15-40N, 119-45E United States Navy Carrier-
Based Aircraft
Sunk
  25   UNKNOWN LST Tank Landing Ship 1,000e 15-40N, 119-45E United States Navy Carrier-
Based Aircraft
Sunk
  25   MINESWEEPER NO 18 Minesweeper 492 16-52N, 108-38E United States Army Aircraft Sunk
  25   RO 100 Submarine 525 7-00S, 156-00E United States Navy Mine Sunk
  25   COAST DEFENSE VESSEL NO 38 Frigate 800e 14-22N, 119-57E United States Submarine Sunk
  25   PATROL BOAT NO 38 Old Destroyer 820e 20-12N, 121-51E United States Submarine Sunk
  25   SHIMOTSUKI Destroyer 2,300 2-21N, 107-20E United States Submarine Sunk
  26   TRANSPORT NO 161 Tank Landing Ship 1,000e 16-00N, 97-00E United States Army Aircraft Sunk
  27   I 46 Submarine 2,180 10-48N, 124-35E United States Surface Craft Sunk
  28   SUBMARINE CHASER NO 53 Submarine Chaser 300e 10-59N, 124-33E United States Surface Craft Sunk
  28   PATROL BOAT NO 105 Yacht 200e 10-59N, 124-33E United States Surface Craft Sunk
  28   I 365 Submarine 1,470 34-44N, 141-01E United States Submarine Sunk
  29   SUBMARINE CHASER NO 45 Submarine Chaser 300 11-00N, 124-15E United States Army Aircraft Sunk
  29   SHINANO Aircraft Carrier 59,000 32-00N, 137-00E United States Submarine Sunk
        59 Vessels 214,827        
December 3 1944 KUWA Destroyer 1,000 10-50N, 124-35E United States Surface Craft Sunk
  3   COAST DEFENSE VESSEL NO 64 Frigate 800e 18-36N, 111-54E United States Submarine Sunk
  4   KISHINAMI Destroyer 2,100 13-12N, 116-37E United States Submarine Sunk
  4   IWANAMI Destroyer 2,100 13-12N, 116-37E United States Submarine Sunk
  5   HOZU Salvage Vessel 613 4-24S, 152-18E Unknown Aircraft* Sunk
  7   TRANSPORT NO 11 High Speed Transport 1,500e 11-23N, 124-18E United States Army Aircraft Sunk
  12   UZUKI Destroyer 1,500 11-03N, 124-23E United States Surface Craft Sunk
  12   YUZUKI Destroyer 1,500 11-20N, 124-10E United States Army Aircraft Marine Land-
Based Aircraft
Sunk
*Probable Agent

--19--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December   12 1944 TRANSPORT NO 159 Tank Landing Ship 1,000e 11-20N, 124-10E United States Army Aircraft Marine Land-
Based Aircraft
Sunk
  13   TRANSPORT NO 12 High Speed Transport 1,900e 20-34N, 118-45E United States Submarine Sunk
  13   TRANSPORT NO 104 Tank Landing Ship 1,900e 20-34N, 118-45E United States Submarine Sunk
  14   TRANSPORT NO 109 Tank Landing Ship 1,000e 17-35N, 120-20E United States Navy Carrier-
Based Aircraft
Sunk
  14   COAST DEFENSE VESSEL NO 28 Frigate 800e 15-46N, 119-45E United States Submarine Sunk
  15   COAST DEFENSE VESSEL NO 54 Frigate 740e 19-25N, 121-25E United States Navy Carrier-
Based Aircraft
Sunk
  15   TRANSPORT NO 106 Tank Landing Ship 1,000e 15-30N, 119-50E United States Navy Carrier-
Based Aircraft
Sunk
  15   MOMO Destroyer 760 16-00N, 117-39E United States Submarine Sunk
  19   UNRYU Aircraft Carrier 18,500 28-59N, 124-03E United States Submarine Sunk
  22   CHIDORI Torpedo Boat 527 34-33N, 138-02E United States Submarine Sunk
  24   TRANSPORT NO 8 High Speed Transport 1,900e 25-10N, 141-00E United States Surface Craft Sunk
  24   TRANSPORT NO 157 Tank Landing Ship 1,000e 24-47N, 141-20E United States Surface Craft Sunk
  26   KIYOSHIMO Destroyer 2,200 12-20N, 121-00E United States Army Aircraft Surface Craft Sunk
  27   TRANSPORT NO 7 High Speed Transport 1,500e 24-47N, 141-20E United States Surface Craft Sunk
  27   TRANSPORT NO 132 Tank Landing Ship 1,000e 24-47N, 141-20E United States Surface Craft Sunk
  30   COAST DEFENSE VESSEL NO 20 Frigate 1,000e 16-30N, 120-15E United States Army Aircraft Sunk
  30   KURETAKE Old Destroyer 820 21-00N, 121-24E United States Submarine Sunk
        25 Vessels 48,660        
January 2 1945 COAST DEFENSE VESSEL NO 138 Frigate 800e 16-37N, 120-19E United States Army Aircraft Sunk
  3   SPECIAL SUBMARINE CHASER NO 10 Special Submarine Chaser 100 7-04N, 125-37E United States Army Aircraft Sunk
  5   TRANSPORT NO 107 Tank Landing Ship 1,000e 26-27N, 141-11E United States Surface Craft Sunk
  5   TRANSPORT NO 154 Tank Landing Ship 1,000e 24-47N, 141-20E United States Surface Craft Sunk
  5   MOMI Destroyer 800 14-00N, 120-20E United States Navy Carrier-
Based Aircraft
Sunk
  9   COAST DEFENSE VESSEL NO 3 Frigate 800e 25-10N, 121-45E United States Navy Carrier-
Based Aircraft
Sunk
  9   SPECIAL SUBMARINE CHASER NO 96 Special Submarine Chaser 100e 22-40N, 120-00E United States Navy Carrier-
Based Aircraft
Sunk
  9   SUBMARINE CHASER NO 61 Submarine Chaser 300e 22-40N, 120-04E United States Navy Carrier-
Based Aircraft
Sunk
  10   COAST DEFENSE VESSEL NO 42 Frigate 800e 27-01N, 126-34E United States Submarine Sunk

--20--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January     12 1945 CHIBURI Frigate 900e 10-20N, 107-50E United States Navy Carrier-
Based Aircraft
Sunk
  12   COAST DEFENSE VESSEL NO 17 Frigate 800e 10-20N, 107-50E United States Navy Carrier-
Based Aircraft
Sunk
  12   COAST DEFENSE VESSEL NO 19 Frigate 800e 10-20N, 107-50E United States Navy Carrier-
Based Aircraft
Sunk
  12   COAST DEFENSE VESSEL NO 23 Frigate 800e 14-15N, 109-10E United States Navy Carrier-
Based Aircraft
Sunk
  12   COAST DEFENSE VESSEL NO 35 Frigate 800e 11-10N, 108-55E United States Navy Carrier-
Based Aircraft
Sunk
  12   COAST DEFENSE VESSEL NO 43 Frigate 800e 11-10N, 108-55E United States Navy Carrier-
Based Aircraft
Sunk
  12   COAST DEFENSE VESSEL NO 51 Frigate 800e 14-15N, 109-10E United States Navy Carrier-
Based Aircraft
Sunk
  12   SUBMARINE CHASER NO 31 Submarine Chaser 440e 11-10N, 108-55E United States Navy Carrier-
Based Aircraft
Sunk
  12   SUBMARINE CHASER NO 43 Submarine Chaser 440e 11-53N, 109-08E United States Navy Carrier-
Based Aircraft
Sunk
  12   MINESWEEPER NO 101 Minesweeper 630e 11-10N, 108-55E United States Navy Carrier-
Based Aircraft
Sunk
  12   TRANSPORT NO 140 Tank Landing Ship 1,000e 10-20N, 107-50E United States Navy Carrier-
Based Aircraft
Sunk
  12   KASHII Training Cruiser 6,000 13-50N, 109-20E United States Navy Carrier-
Based Aircraft
Sunk
  12   PATROL BOAT NO 103 Yacht 840 11-10N, 108-55E United States Navy Carrier-
Based Aircraft
Sunk
  13   RO 47 Submarine 965 12-08N, 154-27E United States Surface Craft Sunk
  14   YURISHIMA Special Minelayer 720 5-51N, 103-16E United States Submarine Sunk
  15   HATAKAZE Destroyer 1,270 22-37N, 120-15E United States Navy Carrier-
Based Aircraft
Sunk
  15   TSUGA Old Destroyer 820 23-33N, 119-33E United States Navy Carrier-
Based Aircraft
Sunk
  15   TRANSPORT NO 14 High Speed Transport 1,500 22-37N, 120-15E United States Navy Carrier-
Based Aircraft
Sunk
  17   TRANSPORT NO 15 High Speed Transport 1,500e 31-09N, 130-29E United States Submarine Sunk
  21   TRANSPORT NO 101 Tank Landing Ship 1,000e 22-37N, 120-15E United States Navy Carrier-
Based Aircraft
Sunk
  21   TRANSPORT NO 102 Tank Landing Ship 1,000e 11-03N, 123-05E United States Navy Carrier-
Based Aircraft
Sunk
  24   SHIGURE Destroyer 1,580 6-00N, 103-48E United States Submarine Sunk
  27   SPECIAL MINESWEEPER NO 102 Special Minesweeper 174 8-37S, 115-39E United States Submarine Sunk
  28   KUME Frigate 900e 33-56N, 123-06E United States Submarine Sunk
  31   RO 115 Submarine 525 13-20N, 119-20S United States Surface Craft Sunk

--21--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January     31 1945 UME Destroyer 2,100e 22-30N, 120-00E United States Army Aircraft Sunk
        35 Vessels 34,804        
February 1 1945 TRANSPORT NO 115 Tank Landing Ship 1,000e 20-00N, 121-00E United States Army Aircraft Sunk
  2   COAST DEFENSE VESSEL NO 144 Frigate 800e 4-32N, 104-30E United States Submarine Sunk
  7   RO 55 Submarine 889 15-27N, 119-25E United States Surface Craft Sunk
  7   COAST DEFENSE VESSEL NO 53 Frigate 800 12-04N, 109-22E United States Submarine Sunk
  9   I 41 Submarine 2,212 18-50N, 121-40E United States Submarine Sunk
  11   RO 112 Submarine 525 18-53N, 121-50E United States Submarine Sunk
  12   RO 113 Submarine 525 19-10N, 121-23E United States Submarine Sunk
  14   COAST DEFENSE VESSEL NO 9 Frigate 800e 34-48N, 125-58E United States Submarine Sunk
  14   SPECIAL SUBMARINE CHASER NO 4 Special Submarine Chaser 100e 8-20S, 115-45E United States Submarine Sunk
  14   SPECIAL SUBMARINE CHASER NO 144 Special Submarine Chaser 100e 8-20S, 115-45E United States Submarine Sunk
  16   NARIU Special Minelayer 720 32-10N, 135-54E United States Submarine Sunk
  17   TRANSPORT NO 114 Tank Landing Ship 1,000e 23-04N, 120-30E United States Army Aircraft Sunk
  17   COAST DEFENSE VESSEL NO 56 Frigate 750e 33-53N, 139-43E United States Submarine Sunk
  20   NOKAZE Destroyer 1,300 12-48N, 109-38E United States Submarine Sunk
  23   SUBMARINE CHASER NO 35 Submarine Chaser 440 10-15N, 107-31E United States Army Aircraft Sunk
  23   YAKU Frigate 900e 12-39N, 109-29E United States Submarine Sunk
  24   RO 49 Submarine 965 32-40N, 132-33E United States Submarine Sunk
  25   I 370 Submarine 1,470 22-45N, 141-27E United States Surface Craft Sunk
  25   RO 43 Submarine 965 25-07N, 140-19E United States Navy Carrier-
Based Aircraft
Sunk
  25   SHONAN Frigate 900e 17-08N, 110-01E United States Submarine Sunk
  26   I 368 Submarine 1,470 24-43N, 140-37E United States Navy Carrier-
Based Aircraft
Sunk
        21 Vessels 18,631        
March 1 1945 MANAZURU Torpedo Boat 527 26-17N, 127-35E United States Navy Carrier-
Based Aircraft
Sunk
  1   TSUBAME Special Minelayer 450 24-23N, 124-12E United States Navy Carrier-
Based Aircraft
Sunk
  2   TRANSPORT NO 143 Tank Landing Ship 1,000e 23-35N, 121-35E United States Army Aircraft Probably sunk
  3   HARIO Miscellaneous Auxiliary 4,000e 18-10N, 109-40E Australia Mine* Sunk
  4   SUBMARINE CHASER NO 8 Submarine Chaser 290 4-04N, 100-35E Great Britain Submarine Sunk
*Probable Agent

--22--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March       5 1945 SPECIAL SUBMARINE CHASER NO 110 Special Submarine Chaser 100e 8-36S, 119-19E United States Army Aircraft Sunk
  5   MINESWEEPER NO 15 Minesweeper 492 29-30N, 129-33E United States Submarine Sunk
  8   COAST DEFENSE VESSEL NO 69 Frigate 800e 19-02N, 110-56E United States Army Aircraft Sunk
  13   COAST DEFENSE VESSEL NO 66 Frigate 880 23-30N, 117-10E United States Army Aircraft Sunk
  18   TRANSPORT NO 18 High Speed Transport 1,500e 26-33N, 127-11E United States Submarine* Sunk
  19   SUMA River Gunboat 625 32-00N, 120-00E United States Army Mine Sunk
  21   SUBMARINE CHASER NO 33 Submarine Chaser 300 11-50N, 109-18E United States Army Aircraft Sunk
  21   TATEISHI Repair Ship 2,000e 11-50N, 109-18E United States Army Aircraft Sunk
  22   I 371 Submarine 1,660 22-57N, 132-19E United States Surface Craft Sunk
  24   COAST DEFENSE VESSEL NO 68 Frigate 800e 28-25N, 124-32E United States Navy Carrier-
Based Aircraft
Sunk
  24   TOMOZURU Frigate 527 28-25N, 124-32E United States Navy Carrier-
Based Aircraft
Probably sunk
  26   SUBMARINE CHASER NO 34 Submarine Chaser 300 10-35N, 94-45E Great Britain Surface Craft Sunk
  26   SUBMARINE CHASER NO 63 Submarine Chaser 300e 10-35N, 94-45E Great Britain Surface Craft Sunk
  27   SPECIAL MINELAYER NO 1 Special Minelayer 500e 3-52N, 98-45E Great Britain Mine Sunk
  27   ODATE Repair Ship 1,564 30-40N, 127-50E United States Submarine* Sunk
  28   COAST DEFENSE VESSEL NO 33 Frigate 800e 31-45N, 131-40E United States Navy Carrier-
Based Aircraft
Sunk
  28   MINESWEEPER NO 11 Minesweeper 492 5-10S, 119-05E United States Army Aircraft Sunk
  28   PATROL BOAT NO 108 Yacht 108 4-15S, 119-05E United States Army Aircraft Sunk
  28   MIKURA Frigate 900e 31-49N, 131-44E United States Submarine Sunk
  29   COAST DEFENSE VESSEL NO 18 Frigate 1,000e 14-30N, 109-15E United States Army Aircraft Sunk
  29   COAST DEFENSE VESSEL NO 130 Frigate 1,000e 14-39N, 109-16E United States Army Aircraft Sunk
  29   SPECIAL SUBMARINE CHASER NO 192 Special Submarine Chaser 100e 22-40N, 120-15E United States Army Aircraft Sunk
  29   COAST DEFENSE VESSEL NO 84 Frigate 1,000e 14-30N, 109-16E United States Submarine Sunk
  30   I 8 Submarine 1,995 25-29N, 128-35E United States Surface Craft Sunk
        29 Vessels 25,930        
April 2 1945 COAST DEFENSE VESSEL NO 186 Frigate 800e 28-07N, 129-09E United States Navy Carrier-
Based Aircraft
Probably sunk
  2   TRANSPORT NO 17 High Speed Transport 1,500 28-07N, 129-09E United States Navy Carrier-
Based Aircraft
Sunk
*Probable Agent

--23--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
April        2 1945 TRANSPORT NO 145 Tank Landing Ship 1,000e 28-07N, 129-09E United States Navy Carrier-
Based Aircraft
Sunk
  4   RO 41 Submarine 965 26-22N, 126-30E United States Surface Craft Sunk
  4   RO 64 Submarine 988 34-14N, 132-16S United States Army Mine Sunk
  4   RO 67 Submarine 988 34-00N, 133-00S United States Army Mine Sunk
  4   MOKUTO Frigate 900e 33-53N, 131-03E United States Army Mine Sunk
  6   AMATSUKAZE Destroyer 1,900 24-30N, 118-10E United States Army Aircraft Sunk
  6   COAST DEFENSE VESSEL NO 1 Frigate 1,000e 24-30N, 118-10E United States Army Aircraft Sunk
  6   COAST DEFENSE VESSEL NO 134 Frigate 1,000e 24-30N, 118-10E United States Army Aircraft Sunk
  6   MINESWEEPER NO 12 Minesweeper 630 8-13S, 119-145 United States Submarine Sunk
  7   YAMATO Battleship 63,000 30-54N, 128-10E United States Navy Carrier-
Aircraft
Sunk
  7   YAHAGI Light Cruiser 7,000 30-54N, 128-10E United States Navy Carrier-
Based Aircraft
Sunk
  7   ASASHIMO Destroyer 2,100 31-00N, 128-00S United States Navy Carrier-
Based Aircraft
Sunk
  7   HAMAKAZE Destroyer 1,900 31-00N, 128-00E United States Navy Carrier-
Based Aircraft
Sunk
  7   ISOKAZE Destroyer 1,900 31-00N, 128-00E United States Navy Carrier-
Based Aircraft
Sunk
  7   KASUMI Destroyer 1,850 31-00N, 128-00E United States Navy Carrier-
Based Aircraft
Sunk
  7   ISUZU Light Cruiser 5,700 7-38S, 118-09E United States Submarine Sunk
  8   RO 46 Submarine 965 26-09N, 130-21E United States Surface Craft Sunk
  8   SPECIAL SUBMARINE CHASER NO 101 Special Submarine Chaser 100e 4-35S, 122-17E United States Army Aircraft Sunk
  9   MINESWEEPER NO 3 Minesweeper 615 39-06N, 141-57E United States Submarine Sunk
  10   I 44 Submarine 2,212 23-12N, 132-23E United States Surface Craft Sunk
  11   SUBMARINE CHASER NO 7 Submarine Chaser 270 8-57N, 93-38E Great Britain Army Aircraft Sunk
  13   SPECIAL MINESWEEPER NO 104 Special Minesweeper 215e 8-05S, 115-06E Great Britain Submarine Sunk
  14   COAST DEFENSE VESSEL NO 31 Frigate 800e 33-25N, 126-15E United States Submarine Sunk
  14   NOMI Frigate 900e 33-25N, 126-15E United States Submarine Sunk
  16   COAST DEFENSE VESSEL NO 73 Frigate 800e 39-36N, 142-05E United States Submarine Sunk
  17   I 56 Submarine 2,140 26-42N, 130-38E United States Navy Carrier-
Based Aircraft Surface Craft
Sunk
  17   RO 56 Submarine 889 19-17N, 166-35E United States Submarine Sunk
  25   MINESWEEPER NO 41 Minesweeper 492 25-53N, 121-08E United States Submarine Sunk
  26   SPECIAL MINESWEEPER NO 3 Special Minesweeper 215e 4-50S, 115-40E Great Britain Submarine Sunk

--24--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
April        28 1945 SUBMARINE CHASER NO 17 Submarine Chaser 440 32-34N, 128-52E United States Submarine Sunk
  28   TRANSPORT NO 146 Tank Landing Ship 1,000e 32-24N, 128-40E United States Submarine Sunk
  28   HATSUSHIMA Repair Ship 2,000e 33-58N, 136-17E United States Submarine Sunk
  29   RO 109 Submarine 525 24-15N, 131-16E United States Navy Carrier-
Based Aircraft
Sunk
        35 Vessels 109,699        
May 2 1945 OJIKA Frigate 1,000e 33-58N, 122-58E United States Submarine Sunk
  3   COAST DEFENSE VESSEL NO 25 Frigate 1,000e 34-38N, 124-15E United States Submarine Sunk
  4   MINESWEEPER NO 20 Minesweeper 492 34-16N, 123-37E United States Submarine Sunk
  7   MINESWEEPER NO 29 Minesweeper 630e 34-02N, 130-54E United States Army Mine Sunk
  8   SPECIAL SUBMARINE CHASER NO 210 Special Submarine Chaser 100e 23-00N, 115-00E United States Army Aircraft Sunk
  16   HATSUTAKA Minelayer 1,500 4-54N, 103-28E United States Submarine Sunk
  16   HAGURO Heavy Cruiser 12,700 5-00N, 99-30E Great Britain Surface Craft Sunk
  21   MINESWEEPER NO 34 Minesweeper 492 6-15S, 116-01E United States Submarine Sunk
  22   SUBMARINE CHASER NO 37 Submarine Chaser 440e 29-45N, 129-10E United States Navy Carrier- Based Aircraft Sunk
  22   SUBMARINE CHASER NO 58 Submarine Chaser 440e 29-45N, 129-10E United States Navy Carrier-Based Aircraft Sunk
  22   TRANSPORT NO 173 Tank Landing Ship 1,000e 29-45N, 129-10E United States Navy Carrier-Based Aircraft Sunk
  25   SPECIAL MINESWEEPER NO 105 Special Minesweeper 200e 6-23S, 110-55E Great Britain Submarine Sunk
  26   SPECIAL SUBMARINE CHASER NO 172 Special Submarine Chaser 100e 36-48N, 137-05E United States Army Mine Sunk
  28   COAST DEFENSE VESSEL NO 29 Frigate 800e 33-07N, 129-44E United States Army Mine Sunk
  30   I 12 Submarine 2,443 22-22N, 134-09E United States Navy Carrier- Based Aircraft Sunk
        15 Vessels 23,337        
June - 1945 I 361 Submarine 1,470 Off Japan Unknown Unknown Sunk
  4   SPECIAL SUBMARINE CHASER NO 112 Special Submarine Chaser 300e 5-00S, 116-04E United States Army Aircraft Sunk
  6   SPECIAL SUBMARINE CHASER NO 195 Special Submarine Chaser 100e 37-10N, 137-05E United States Army Mine Sunk
  8   ASHIGARA Heavy Cruiser 12,700 1-59S, 104-57E Great Britain Submarine Sunk
  9   COAST DEFENSE VESSEL NO 41 Frigate 800e 34-18N, 127-18E United States Submarine Sunk
  10   I 122 Submarine 1,142 37-29N, 137-25E United States Submarine Sunk
  11   SPECIAL SUBMARINE CHASER NO 237 Special Submarine Chaser 100e 34-35N, 132-20E United States Navy Land-
Based Aircraft
Sunk

--25--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June       12 1945 SUBMARINE CHASER NO 57 Submarine Chaser 440e 6-20N, 94-45E Great Britain Surface Craft Sunk
  12   TRANSPORT NO 149 Tank Landing Ship 1,000e 6-20N, 94-45E Great Britain Surface Craft Sunk
  23   SHUTTLE BOAT NO 833 Miscellaneous Auxiliary 200e 5-50S, 114-18E United States Submarine Sunk
  23   SPECIAL SUBMARINE CHASER NO 42 Special Submarine Chaser 100 5-50S, 114-18E United States Submarine Sunk
  23   SPECIAL SUBMARINE CHASER NO 113 Special Submarine Chaser 200e 5-50S, 114-18E United States Submarine Sunk
  27   I 165 Submarine 1,635 15-28N, 153-39E United States Navy Land-Based Aircraft Sunk
  27   SUBMARINE CHASER NO 2 Submarine Chaser 300 7-25S, 116-00E United States Submarine Sunk
  28   ENOKI Destroyer 1,260 35-26N, 135-44E United States Army Mine Sunk
        15 Vessels 21,747        
July 1 1945 COAST DEFENSE VESSEL NO 72 Frigate 800 38-08N, 124-38E United States Submarine Sunk
  2   SPECIAL SUBMARINE CHASER NO 188 Special Submarine Chaser 100e 33-59N, 130-52E United States Army Mine Sunk
  5   SPECIAL SUBMARINE CHASER NO 37 Special Submarine Chaser 100 8-10S, 114-50E United States Submarine Sunk
  7   NARA Destroyer 1,000e 33-54N, 130-49E United States Army Mine Sunk
  9   SPECIAL SUBMARINE CHASER NO 50 Special Submarine Chaser 100e 2-13N, 105-03E United States Submarine Sunk
  10   MINESWEEPER NO 27 Minesweeper 630e 39-20N, 142-07E United States Submarine Sunk
  11   SAKURA Destroyer 1,000 35-50N, 135-20E United States Army Mine Sunk
  14   TACHIBANA Destroyer 1,000e 41-48N, 140-41E United States Navy Carrier- Based Aircraft Sunk
  14   COAST DEFENSE VESSEL NO 65 Frigate 800e 42-21N, 140-59E United States Navy Carrier- Based Aircraft Sunk
  14   COAST DEFENSE VESSEL NO 74 Frigate 800e 42-21N, 140-59E United States Navy Carrier-Based Aircraft Sunk
  14   COAST DEFENSE VESSEL NO 219 Frigate 800e 41-48N, 140-41E United States Navy Carrier-Based Aircraft Sunk
  14   I 351 Submarine 2,650 4-30N, 110-00E United States Submarine Sunk
  15   MINESWEEPER NO 24 Minesweeper 630e 41-38N, 141-00E United States Navy Carrier-Based Aircraft Sunk
  15   I 13 Submarine 2,640 34-28N, 150-55E United States Navy Carrier-Based Aircraft Surface Craft Sunk
  16   KARI Torpedo Boat 595 5-48S, 115-53E United States Submarine Sunk
  18   KASUGA Old Heavy Cruiser 7,080 35-18N, 139-40E United States Navy Carrier-Based Aircraft Sunk
  18   COAST DEFENSE VESSEL NO 112 Frigate 800e 46-03N, 142-16E United States Submarine Sunk

--26--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July       20 1945 MINESWEEPER NO 39 Minesweeper 630e 35-01N, 125-42E United States Submarine Sunk
  23   SPECIAL SUBMARINE CHASER NO 117 Special Submarine Chaser 200e 8-10S, 115-29E United States Submarine Sunk
  24   AMAGI Aircraft Carrier 18,500 34-11N, 132-30E United States Navy Carrier-Based Aircraft Sunk
  24   TONE Heavy Cruiser 12,000 34-14N, 132-27E United States Navy Carrier-Based Aircraft Sunk
  24   HYUGA Battleship 34,500 34-10N, 132-33E United States Navy Carrier-Based Aircraft Sunk
  24   KAIYO Escort Aircraft Carrier 17,000 33-21N, 131-32E United States Army Aircraft Army Mine Navy Carrier-Based Aircraft Sunk
  25   PATROL BOAT NO 2 Old Destroyer 750e 7-07S, 115-40E Great Britain Submarine Sunk
  27   TRANSPORT NO 176 Tank Landing Ship 1,000e 31-00N, 130-33E United States Army Aircraft Sunk
  28   AOBA Heavy Cruiser 8,800 34-13N, 132-31E United States Navy Carrier-Based Aircraft Sunk
  28   I 372 Submarine 1,660 33-00N, 133-00E United States Navy Carrier-Based Aircraft Sunk
  28   HARUNA Battleship 31,000 34-15N, 132-29E United States Navy Carrier-Based Aircraft Sunk
  28   ISE Battleship 34,500 34-12N, 132-31E United States Navy Carrier-Based Aircraft Sunk
  28   OYODO Light Cruiser 8,500 34-13N, 132-25E United States Navy Carrier-Based Aircraft Sunk
  28   NASHI Destroyer 850 34-14N, 132-30E United States Navy Carrier-Based Aircraft Sunk
  28   COAST DEFENSE VESSEL NO 4 Frigate 800e 34-00N, 134-50E Great Britain Aircraft Sunk
  28   COAST DEFENSE VESSEL NO 30 Frigate 800e 34-43N, 136-43E Great Britain Aircraft Sunk
  28   IWATE Old Heavy Cruiser 9,180 34-14N, 132-30E United States Navy Carrier-Based Aircraft Sunk
  28   IZUMO Old Heavy Cruiser 9,180 34-14N, 132-30E United States Navy Carrier-Based Aircraft Sunk
  29   SPECIAL SUBMARINE CHASER NO 207 Special Submarine Chaser 100e 32-00N, 130-00E United States Army Aircraft Sunk
  30   OKINAWA Frigate 900e 35-30N, 135-21E United States Navy Carrier-Based Aircraft Sunk
  30   HATSUSHIMO Destroyer 1,600 35-33N, 135-12E United States Army Mine Sunk
        38 Vessels 213,975        

--27--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
August   7 1945 COAST DEFENSE VESSEL NO 39 Frigate 800e 35-06N, 129-03E United States Army Aircraft Sunk
  7   SPECIAL SUBMARINE CHASER NO 66 Special Submarine Chaser 100e 7-23N, 151-53E United States Army Aircraft Sunk
  9   AMAKUSA Frigate 860 38-26N, 141-30E United States

Great Britain
Navy Carrier-Based Aircraft
Aircraft
Sunk
  9   INAGI Frigate 900e 38-26N, 141-30E United States

Great Britain
Navy Carrier-Based Aircraft
Aircraft
Sunk
  9   MINESWEEPER NO 1 Minesweeper 615 38-26N, 141-30E United States Navy Carrier-Based Aircraft Sunk
  9   MINESWEEPER NO 33 Minesweeper 630e 38-26N, 141-30E United States Navy Carrier-Based Aircraft Sunk
  9   TRANSPORT NO 21 High Speed Transport l,500e 33-59N, 132-31E United States Army Aircraft Sunk
  9   COAST DEFENSE VESSEL NO 82 Frigate 800e 41-21N, 131-12E Russia Aircraft* Sunk
  10   SUBMARINE CHASER NO 42 Submarine Chaser 440e 38-26N, 141-30E United States Navy Carrier-Based Aircraft Sunk
  13   I 373 Submarine 1,660 29-02N, 123-53E United States Submarine Sunk
  13   COAST DEFENSE VESSEL NO 6 Frigate 800e 42-11N, 142-14E United States Submarine Sunk
  14   COAST DEFENSE VESSEL NO 13 Frigate 800e 35-42N, 134-35E United States Submarine Sunk
  14   COAST DEFENSE VESSEL NO 47 Frigate 800e 35-42N, 134-36E United States Submarine Sunk
  15   KANJU Frigate 860 39-10N, 127-27E Russia Aircraft* Sunk
        14 Vessels 11,565        
*Probable Agent

--28--

JAPANESE MERCHANT VESSEL SUNK DURING WORLD WAR II
(Chronological)

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December 8 1941 AWAJISAN MARU Passenger-Cargo 9,794 6-03N, 102-16E Australia Aircraft Sunk
  10  

TAKAO MARU

Passenger-Cargo 4,281 17-29N, 120-26E United States Army Aircraft
U.S. Sabotage
Sunk
  12   TORO MARU Cargo 1,939 6-08N, 102-16E Netherlands Submarine Sunk
  13   NIKKOKU MARU Cargo 2,728 13-00N, 110-00E Japan Marine Casualty Sunk
  14   MIHARU MARU Cargo 3,857 41-55N, 143-15E Japan Marine Casualty Sunk
  14   ZUIKO MARU Converted Gunboat 2,577 48-05N, 153-43E Japan Marine Casualty Sunk
  16   ATSUTASAN MARU Cargo 8,662 18-06N, 109-44E United States Submarine Sunk
  22   HAYO MARU Cargo 5,445 16-37N, 120-17E United States Submarine Sunk
  23   HAYATAKA MARU Cargo 856 17-35N, 120-12E United States Submarine Sunk
  23   KATORI MARU Cargo 9,849 2-30N, 110-00E Netherlands Submarine Sunk
  23   HIE MARU Passenger-Cargo 4,943 2-30N, 110-00E Netherlands Submarine Sunk
  26   UNYO MARU NO 2 Converted Salvage Vessel 2,827 1-34N, 110-213 Netherlands Aircraft Sunk
        12 Vessels 57,758        
January 1 1942 TEIUN MARU Cargo 1,615 16-05N, 120-20E Japan Mine Sunk
  3   MEIKO MARU Passenger-Cargo 4,383 18-18N, 109-42E Japan Marine Casualty Sunk
  7   UNKAI MARU NO 1 Cargo 2,225 34-27N, 138-59E United States Submarine Sunk
  9   TEIAN MARU Cargo 5,387 35-00N, 140-36E United States Submarine Sunk
  10   AKITA MARU Passenger-Cargo 3,817 7-40N, 102-50E Netherlands Submarine Sunk
  10   KANKO MARU Converted Gunboat 2,929 6-12N, 125-55E United States Submarine Sunk
  10   HARBIN MARU Transport 5,167 17-40N, 109-20E United States Submarine Sunk
  16   TAISHU MARU Cargo 1,220 42-00N, 139-00E Japan Marine Casualty Sunk
  17   FUKUSEI MARU Passenger-Cargo 5,822 31-00N, 122-00E Japan Marine Casualty Sunk
  17   SHINZUI MARU Cargo 2,964 25-03N, 121-04E Japan Marine Casualty Sunk
  18   EIZAN MARU Cargo 4,702 33-30N, 135-00E United States Submarine Sunk
  24   KURETAKE MARU Cargo 5,175 00-10N, 118-00E United States Surface Craft Sunk
  24   TSURUGA MARU Passenger-Cargo 6,988 00-10N, 118-00E United States Surface Craft Sunk
  24   TATSUKAMI MARU Passenger-Cargo 7,064 00-10N, 118-00E United States Surface Craft Sunk
  24   SUMANOURA MARU Passenger-Cargo 3,519 00-10N, 118-00E United States Surface Craft Sunk
  24   NANA MARU Passenger-Cargo 6,764 00-10N, 118-00E Netherlands Aircraft Sunk
  24   MYOKEN MARU Cargo 4,124 1-22N, 125-05E United States Submarine Sunk
        17 Vessels 73,865        

--29--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 1 1942 BORDEAUX MARU Passenger-Cargo 6,566 9-28N, 170-15E United States Surface Craft Sunk
  1   TOYOTSU MARU Converted Gunboat 2,930 9-28N, 170-15E United States Surface Craft Sunk
  2   TAMAGAWA MARU Passenger-Cargo 6,441 17-16N, 119-48E United States Submarine Sunk
  9   KURAMA Passenger-Cargo 6,788 East China Sea Unknown Unknown Sunk
  10   CHUWA MARU Cargo 2,719 25-30N, 122-38E United States Submarine Sunk
  14   INABASAN MARU Cargo 989 1-25S, 105-00E United States
Great Britain
Netherlands
Army Aircraft
Aircraft
Aircraft
Sunk
  17   SHINYO MARU NO 5 Cargo 1,498 32-14N 127-14E United States Submarine Sunk
  21   SHOKYU MARU Cargo 4,434 32-10N, 126-28E United States Submarine Sunk
  25   FUJISHIMA MARU Cargo 4,876 35-09N, 140-18E Japan Marine Casualty Sunk
        9 Vessels 37,291        
March    1 1942 SAKURA MARU Passenger-Cargo 7,170 5-56S, 106-12E United States
United States
Australia
Netherlands
Netherlands
Army Aircraft
Surface Craft
Aircraft
Aircraft
Surface Craft
Sunk
  1   HORAI MARU Passenger-Cargo 9,192 5-56S, 106-12E United States
United States
Australian
Netherlands
Netherlands
Army Aircraft
Surface Craft
Aircraft
Aircraft
Surface Craft
Sunk
  1   KAIJO MARU NO 2 Tanker 8,636 4-52N, 151-20E United States Submarine Sunk
  2   KAMOGAWA MARU Aircraft Ferry 6,440 8-06S, 115-57E United States Submarine Sunk
  4   MORIOKA MARU Cargo 4,469 32-55N, 129-26E Japan Mine* Sunk
  4   TAKI MARU Cargo 1,244 28-37N, 129-10E United States Submarine Sunk
  4   ERIMO Tanker 6,500 4-19S, 108-25E United States Submarine Sunk
  4   UNKNOWN MARU Cargo 4,000e 32-33N, 133-26E United States Submarine Sunk
  10   YOKOHAMA MARU Cargo 6,143 7-01S, 147-07E United States Army Aircraft Navy Carrier-Based Aircraft Sunk
  10   KONGO MARU Converted Light Cruiser 8,624 6-49S, 147-02E United States Navy Carrier-Based Aircraft Sunk
  10   TENYO MARU Converted Minesweeper 6,843 6-49S, 147-02E United States Navy Carrier-Based Aircraft Sunk
  10   KOSEI MARU Passenger-Cargo 6,667 16-05N, 120-20E Japan Mine Sunk
  11   FUKUSHU MARU Cargo 1,454 30-53N, 126-20E United States Submarine Sunk
  13   CHICHIBU MARU Cargo 1,520 33-53N, 139-29E United States Submarine Sunk
  17   YUBARI MARU Cargo 4,109 3-05S, 114-21E Netherlands Aircraft* Sunk
* Probable Agent

--30--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March    17 1942 ISHIKARI MARU Cargo 3,291 27-05N, 142-05E United States Submarine Sunk
  26   UNKNOWN MARU Cargo 4,000e 32-31N, 127-10E United States Submarine Sunk
  27   KITANO MARU Passenger-Cargo 7,951 16-10N, 120-24E Japan Mine* Sunk
  27   UNKNOWN MARU Passenger-Cargo 4,000e 33-53N, 127-33E United States Submarine Sunk
  30   CHOKO MARU Cargo 842 5-39S, 119-00E United States Submarine Sunk
        20 Vessels 103,095        
April           1 1942 YAE MARU Cargo 6,781 5-42N, 98-57E Great
Britain
Submarine Sunk
  1   SHUNSEI MARU Cargo 4,939 5-42N, 93-57E Great
Britain
Submarine Sunk
  10   SADO MARU Cargo 3,039 34-52N, 139-15E United States Submarine Sunk
  11   TAIJUN MARU Cargo 1,274 6-49S, 147-02E United States Army Aircraft Sunk
  13   RYUJIN MARU Cargo 6,243 31-51N, 132-50E United States Submarine Sunk
  17   UNKNOWN MARU Cargo 4,000e 10-53N, 121-35E United States Submarine Sunk
  18   KOMAKI MARU Transport 8,525 4-12S, 152-10E United States Army Aircraft Sunk
  23   UNKNOWN MARU Trawler 1,000e 28-22N, 153-18E United States Submarine Probably sunk
  25   TOBA MARU Cargo 6,995 17-01N, 120-15E United States Submarine Probably sunk
        9 Vessels 42,796        
May         1 1942 CALCUTTA MARU Passenger-Cargo 5,339 28-07N, 123-45E United States Submarine Sunk
  2   UZAN MARU Cargo 5,014 33-26N, 135-52E United States Submarine Sunk
  4   KINJOSAN MARU Cargo 3,262 8-44N, 150-56E United States Submarine Sunk
  4   KONGOSAN MARU Converted Gunboat 2,119 33-32N, 136-05E United States Submarine Sunk
  6   KANAN MARU Cargo 2,567 12-05N, 109-35E United States Submarine Sunk
  6   TAIEI MARU Cargo 2,209 28-42N, 123-50E United States Submarine Sunk
  6   TAIGEN MARU Passenger-Cargo 5,660 28-19N, 123-33E United States Submarine Sunk
  8   BUJUN MARU Cargo 4,804 12-00N, 111-10E United States Submarine Sunk
  8   TAIYO MARU Transport 14,457 30-40N, 127-54E United States Submarine Sunk
  9   UNKNOWN MARU Cargo 4,000e 33-48N, 136-08E United States Submarine Probably sunk
  10   ORIDONO MARU Cargo 5,278 7-00S, 112-40E Japan Mine* Sunk
  12   SHOEI MARU Converted Salvage Vessel 5,644 4-51S, 152-54E United States Submarine Sunk
  13   SHONAN MARU Cargo 5,264 34-39N, 139-10E United States Submarine Sunk
  13   NAGASAKI MARU Transport 5,268 33-00N, 129-40E Japan Mine Sunk
  15   TOYOHARA MARU Cargo 805 33-34N, 125-09E United States Submarine Sunk
  17   UNKNOWN MARU Cargo 4,000e 33-28N, 135-33E United States Submarine Sunk
  17   TAZAN MARU Passenger-Cargo 5,478 6-22N, 108-36E United States Submarine Sunk
  25   KITAKATA MARU Cargo 2,380 34-53N, 140-04E United States Submarine Sunk
  25   TOKYO MARU Tanker 902 27-03N, 127-03E United States Submarine Sunk
  25   SHOKA MARU Cargo 4,467 4-07N, 143-32E United States Submarine Sunk
  28   GANGES MARU Passenger-Cargo 4,382 9-00N, 111-00E United States Submarine Sunk
* Probable Agent

--31--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         28 1942 TATSUFUKU MARU Cargo 1,946 7-27N, 116-17E United States Submarine Sunk
  29   UNKNOWN MARU Cargo 1,900e 7-33N, 116-18E United States Submarine Sunk
  30   ATSUTA MARU Transport 7,983 26-07N, 129-06E United States Submarine Sunk
        24 Vessels 105,123        
June         1 1942 KOFUKU MARU Passenger-Cargo 5,822 16-16N, 96-18E United States Army Aircraft Sunk
  4   TOYOHASHI MARU Passenger-Cargo 7,031 7-30N, 93-10E Great
Britain
Submarine Sunk
  12   BURMA MARU Cargo 4,584 10-08N, 102-34E United States Submarine Sunk
  14   TAIZAN MARU Cargo 3,930 35-00N, 125-00E Japan Marine Casualty Sunk
  15   NAMPO MARU Converted Gunboat 1,206 14-20N, 120-20E United States Submarine Sunk
  18   TAIRYU MARU Cargo 2,209 34-33N, 125-53E Japan Marine Casualty Sunk
  18   NISSAN MARU Cargo 6,537 51-58N, 177-40E United States Army Aircraft Sunk
  21   KEIJO MARU Converted Gunboat 2,626 9-003, 160-00E United States Submarine Sunk
  28   SAIKYO MARU Converted Gunboat 1,292 12-41N, 136-22E United States Submarine Sunk
  30   UNKAI MARU NO 5 Cargo 3,282 30-04N, 122-54E United States Submarine Sunk
        10 Vessels 38,519        
July      1 1942 MONTEVIDEO MARU Transport 7,267 18-37N, 119-29E United States Submarine Sunk
  2   UNYO MARU NO 3 Cargo 2,997 30-30N, 120-25E United States Submarine Sunk
  7   HARUNA MARU Passenger-Cargo 10,420 34-36N, 138-06E Japan Marine Casualty Sunk
  8   TENZAN MARU Passenger-Cargo 2,776 4-00S, 151-50E United States Submarine Sunk
  9   SHINSHO MARU Motor Torpedo Boat Tender 4,836 8-43N, 167-33E United States Submarine Sunk
  12   HIYAMA MARU Cargo 6,171 13-48N, 109-33E United States Submarine Sunk
  13   MIKAGE MARU NO 3 Cargo 3,111 33-00N, 133-00E Japan Marine Casualty Sunk
  13   SHINYO MARU Passenger-Cargo 4,163 13-04N, 109-39E United States Submarine Sunk
  16   HAKODATE MARU Cargo 5,302 12-55N 109-29E United States Submarine Sunk
  22   AYATOSAN MARU Transport 9,788 8-50S, 148-50E United States
Australian
Army Aircraft
Aircraft
Sunk
  24   UNKNOWN MARU Cargo 1,500e 45-05N, 147-27E United States Submarine Sunk
  28   UNKNOWN MARU Transport 4,000e 33-21N, 139-24E United States Submarine Sunk
        12 Vessels 62,331        
August 1 1942 MEIWA MARU Cargo 2,921 41-12N, 141-36E United States Submarine Sunk
  2   ZENYO MARU Passenger-Cargo 6,441 5-36N, 99-53E Netherlands Submarine Sunk
  3   NANIWA MARU Cargo 4,353 7-37N, 150-18E United States Submarine Sunk
  5   BRASIL MARU Transport 12,752 9-50N, 150-38E United States Submarine Sunk
  6   OHIO MARU Passenger-Cargo 5,872 13-51N, 113-15E United States Submarine* Sunk
  6   PALAO MARU Passenger-Cargo 4,495 9-04N, 150-54E United States Submarine Sunk
* Probably sunk

--32--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
August 7 1942 SHOFUKU MARU Converted Net Tender 891 9-22N, 170-12E United States Submarine Sunk
  8   KOTOKU MARU Transport 6,701 7-01N, 147-07E United States Army Aircraft Sunk
  8   KANO MARU Cargo 8,572 51-58N, 177-33E United States Army Aircraft Surface Craft Sunk
  8   MEIYO MARU Transport 5,628 4-52S, 152-43E United States Submarine  
  8   NIKKEI MARU Passenger-Cargo 5,811 33-33N, 135-23E United States Submarine Sunk
  8   BIFUKU MARU Passenger-Cargo 2,559 41-14N, 141-32E United States Submarine Sunk
  12   UNKNOWN MARU Cargo 4,000e 33-02N, 136-00E United States Submarine Sunk
  14   HACHIGEN MARU Passenger-Cargo 3,113 5-07N, 119-37E United States Submarine Sunk
  21   SHINSEI MARU NO 6 Passenger-Cargo 4,928 6-45N, 158-10E United States Submarine Sunk
  22   UNKNOWN MARU Transport 4,000e 26-07N, 121-29E United States Submarine Sunk
  24   CUBA MARU Passenger-Cargo 5,950 48-00N, 142-30E Japan Marine Casualty Sunk
  24   SEIKAI MARU Passenger-Cargo 3,109 38-12N, 141-30E United States Submarine Sunk
  25   KINRYU MARU Converted Light Cruiser 9,310 7-47S, 160-13E United States Marine Land- Based Aircraft Sunk
  25   SHOWA MARU Cargo 1,349 3-55N, 118-59E United States Submarine Probably sunk
  25   SENYO MARU Converted Gunboat 2,904 22-23N, 120-10E United States Submarine Sunk
  26   TEISHUN MARU Cargo 2,251 27-05N, 121-23E United States Submarine Sunk
  31   EIFUKU MARU Cargo 5,866 25-43N, 122-38E United States Submarine Sunk
        23 Vessels 114,281        
September 2 1942 TEIKYU MARU Cargo 2,332 42-08N, 141-15E United States Submarine Sunk
  4   KASHINO Supply Ship 4,000e 25-43N, 122-38E United States Submarine Sunk
  4   CHITA MARU Cargo 2,276 40-10N, 141-53E Unites States Submarine Sunk
  4   TENYU MARU Cargo 3,738 40-14N, 141-51E United States Submarine Sunk
  4   KAIMEI MARU Cargo 5,254 40-14N, 141-51E United States Submarine Sunk
  7   TAIKA MARU Cargo 2,204 25-31N, 121-33E United States Submarine Sunk
  11   KANTO MARU Aircraft Ferry 8,606 3-16S, 118-29E United States Submarine Sunk
  12   NIYO MARU Cargo 1,350 20-15N, 92-35E Great
Britain
Aircraft Sunk
  19   SHIROGANE MARU Passenger-Cargo 3,130 6-33S, 156-05E United States Submarine Sunk
  21   TONE MARU Cargo 4,070 31-18N, 123-27E United States Submarine Sunk
  21   KOEI MARU Converted Net Tender 863 6-54N, 151-51E United States Submarine Sunk
  25   TEIBO MARU Cargo 4,472 10-31N, 109-31E United States Submarine Sunk
  28   NOJIMA MARU Cargo 7,189 51-58N, 177-33E United States Army Aircraft Sunk
  28   TAMON MARU NO 6 Cargo 4,994 40-35N, 141-50E United States Submarine Sunk
        14 Vessels 54,478        
October     1 1942 YOMEI MARU Cargo 2,860 33-35N, 135-15E United States Submarine Sunk
  1   LISBON MARU Transport 7,053 29-57N, 122-56E United States Submarine Sunk
  1   TOSEI MARU Cargo 2,432 41-20N, 141-35E United States Submarine Sunk
  1   KATSURAGI MARU Aircraft Ferry 8,033 5-51S, 153-18E United States Submarine Sunk

--33--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October     3 1942 KINKAI MARU Cargo 5,852 38-46N, 142-02E United States Submarine Sunk
  4   SETSUYO MARU Cargo 4,147 39-48N, 142-08E United States Submarine Sunk
  7   MIDORI MARU Passenger-Cargo 5,827 31-00N, 122-30E Japan Marine Casualty Sunk
  7   SENKAI MARU Passenger-Cargo 2,095 1-55N, 153-42E United States Submarine Sunk
  7   NAMINOUE MARU Transport 4,731 3-51S, 151-21E United States Submarine Sunk
  8   BORNEO MARU Cargo 5,863 51-56N, 177-27E United States Army Aircraft Sunk
  8   HAGUE MARU Passenger-Cargo 5,641 34-06N, 136-22E United States Submarine Sunk
  9   HACHIMANZAN MARU Cargo 2,461 33-27N, 136-01E United States Submarine Sunk
  10   SHIGURE MARU Cargo 2,445 1-01S, 117-23E United States Submarine Sunk
  11   NICHIEI MARU Cargo 2,012 35-00N, 125-00E Japan Marine Casualty Sunk
  14   TEISON MARU Transport 7,007 25-22N, 121-15E United States Submarine Sunk
  14   SUMIYOSHI MARU Cargo 1,921 3-20S, 150-03E United States Submarine Sunk
  14   SHUNKO MARU Cargo 6,781 5-35N, 144-25E United States Submarine Sunk
  14   TAKUSEI MARU Cargo 3,515 39-33N, 142-15E United States Submarine Sunk
  15   KYUSHU MARU Passenger-Cargo 8,666 9-25S, 159-55E United States Army Aircraft Navy Land-
Based Aircraft Marine Land-
Based Aircraft
Sunk
  15   SASAKO Passenger-Cargo 9,258 9-25S, 159-55E United States Navy Land-
Based Aircraft Marine Land-
Based Aircraft
Sunk
  15   AZUMASAN Passenger-Cargo 7,623 9-25S, 159-55E United States Army AircraftNavy Carrier-
Based Aircraft Navy Land-
Based AircraftMarine Land-
Based Aircraft
Sunk
  17   HOLLAND MARU Cargo 5,869 32-21N, 132-04E United States Submarine Sunk
  18   HAKONESAN MARU Cargo 6,673 38-46N, 142-03E United States Submarine Sunk
  20   RYUNAN MARU Cargo 5,106 34-08N, 136-46E United States Submarine Sunk
  20   YAMAFUJI MARU Cargo 5,359 24-26N, 120-26E United States Submarine Sunk
  20   AFRICA MARU Cargo 9,475 24-26N, 120-26E United States Submarine Sunk
  21   CHOKO MARU Passenger-Cargo 6,783 3-30S, 150-30E United States Submarine Sunk
  21   UNKNOWN MARU Cargo 4,000e 27-03N, 122-42E United States Submarine Sunk
  21   NICHIHO MARU Cargo 6,363 27-03N, 122-42E United States Submarine Sunk
  22   HAKKAISAN MARU Converted Gunboat 3,311 3-30S, 175-15E United States Surface Craft Sunk
  23   SEIKYO MARU Converted Gunboat 2,608 33-45N, 135-25E United States Submarine Sunk
  24   KENUN MARU Cargo 4,643 41-24N, 141-50E United States Submarine Sunk
  25   KOTOBUKI MARU NO 5 Converted Net Tender 720 4-13S, 152-11E United States Army Aircraft Sunk
  26   KEIZAN MARU Cargo 2,864 50-09N, 155-37E United States Submarine Sunk
  27   UNKNOWN MARU Passenger-Cargo 4,000e 10-20N, 108-43E United States Submarine Sunk
  31   UNKNOWN MARU Cargo 3,000e 4-40S, 118-54E United States Submarine Probably sunk
        36 Vessels 176,997        

--34--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November    1 1942 BIWA MARU Cargo 3,350 3-54S, 109-13E Japan Marine Casualty Sunk
  2   YASUKAWA MARU Passenger-Cargo 6,710 8-41S, 148-27E United States Army Aircraft Sunk
  2   GIFU MARU Cargo 2;933 6-14N, 126-07E United States Submarine Sunk
  3   TEKKAI MARU Cargo 1,925 32-02N, 126-15E United States Submarine Sunk
  3   SAGAMI MARU Passenger-Cargo 7,189 7-02N, 125-33E United States Submarine Sunk
  3   CHIKUGO MARU Cargo 2,461 20-18N, 108-39E United States Submarine Sunk
  8   KEIKO MARU Converted Gunboat 2,929 6-22N, 126-03E United States Submarine Sunk
  10   UNKNOWN MARU Cargo 4,000e 7-12N, 150-47E United States Submarine Sunk
  11   KOBE MARU Transport 7,938 31-27N, 124-13E Japan Marine Casualty Sunk
  11   TENZAN MARU Cargo 3,142 31-27N, 124-13E Japan Marine Casualty Sunk
  11   HOKOKU MARU Converted Light Cruiser 10,439 20-00S, 93-00E Great
Britain Netherlands
Surface Craft Surface Craft Sunk
  11   VENICE MARU Passenger-Cargo 6,571 35-36N, 123-44E United States Submarine Sunk
  14   SHINANOGAWA MARU Cargo 7,503 8-30S, 158-45E United States Army Aircraft
Navy Carrier-Based Aircraft
Marine Land-Based Aircraft
Sunk
  14   NAKO MARU Cargo 7,145 8-30S, 158-45E United States Army Aircraft
Navy Carrier-Based Aircraft
Marine Land-Based Aircraft
Sunk
  14   NAGARA MARU Passenger-Cargo 7,148 8-30S, 158-45E United States Army Aircraft
Navy Carrier-Based Aircraft
Marine Land-Based Aircraft
Sunk
  14   SADO MARU Cargo 7,180 8-30S, 158-45E United States Army Aircraft
Navy Carrier-Based Aircraft
Marine Land-Based Aircraft
Sunk
  14   CANBERRA MARU Cargo 6,477 8-30S, 158-45E United States Army Aircraft
Navy Carrier-Based Aircraft
Marine Land-Based Aircraft
Sunk
  14   BRISBANE MARU Cargo 5,425 8-30S, 158-45E United States Army Aircraft
Navy Carrier-Based Aircraft
Marine Land-Based Aircraft
Sunk

--35--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November   14 1942 ARIZONA MARU Cargo 9,684 8-30S, 158-45E United States Army Aircraft Navy Carrier-
Based Aircraft Marine Land-
Based Aircraft
Sunk
  15   YAMAZUKI MARU Cargo 6,439 9-20S, 159-50E United States Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  15   YAMAURA MARU Cargo 6,798 9-20S, 159-50E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Carrier-
Based Aircraft
Surface Craft
Sunk
  15   KINUGAWA MARU Cargo 6,937 9-20S, 159-50E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Surface Craft
Sunk
  15   HIROKAWA MARU Cargo 6,872 9-20S, 159-50E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Surface Craft
Sunk
  16   BOSTON MARU Transport 5,477 6-18N, 135-20E United States Submarine Sunk
  17   OREGON MARU Converted Salvage Vessel 5,873 14-46N, 119-44E United States Submarine Sunk
  18   HAVANA MARU Passenger-Cargo 5,652 6-48S, 155-49E United States Army Aircraft Sunk
  22   KHAI DINH Cargo 5,110 20-58N, 106-40E United States Army Aircraft Sunk
  26   CHERIBON MARU Cargo 4,016 52-45N, 173-15E United States Army Aircraft Sunk
  27   RYOKUSEI MARU Cargo 1,907 23-11N, 113-14E United States Army Aircraft Sunk
  30   UNKAI MARU NO 3 Cargo 3,023 Off Japan Unknown Unknown Probably sunk
        30 Vessels 168,253        
December 4 1942 MANSEI MARU Passenger-Cargo 7,770 23-30N, 119-34E Japan Marine Casualty Sunk
  7   HINO MARU NO 3 Passenger-Cargo 4,391 23-59N, 138-43E United States Submarine Sunk
  8   HEINAN MARU Cargo 661 00-52N, 118-54E United States Submarine Sunk
  10   KAMOI MARU Cargo 5,355 4-56S, 154-58E United States Submarine Sunk
  12   GYOKUZAN MARU Cargo 1,970 40-19N, 142-27E United States Submarine* Sunk
  16   GENZAN MARU Passenger-Cargo 5,708 41-10N, 141-32E United States Submarine* Sunk
  16   SHINGO MARU Cargo 4,740 41-10N, 141-32E United States Submarine Sunk
  17   BANDOENG MARU Passenger-Cargo 4,003 4-54S, 154-17E United States Submarine Sunk
* Probable Agent

--36--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December 20 1942 UNKNOWN MARU Cargo 4,000e 35-45N, 140-55E United States Navy Mine Sunk
  22   TEIFUKU MARU Cargo 5,198 34-52N, 139-49E United States Submarine Sunk
  24   TAMA MARU NO 2 Cargo 515 6-15S, 150-10E United States Army Aircraft Sunk
  24   AMAKASU MARU NO 1 Converted Water carrier 1,913 19-16N, 166-37E United States Submarine Sunk
  25   BANSHU MARU NO 2 Cargo 1,000 9-00S, 124-00E United States Submarine Sunk
  26   IWAMI MARU Passenger-Cargo 773 8-44S, 158-06E United States Army Aircraft Navy Land-
Based Aircraft
Sunk
  27   ITALY MARU Transport 5,859 4-15S, 152-10E United States Army Aircraft Sunk
  27   TSURUGISAN MARU Cargo 3,108 4-13S, 152-11E United States Army Aircraft Sunk
  28   CHOYO MARU Cargo 5,388 24-46N, 120-40E United States Submarine Sunk
  28   OMI MARU Passenger-Cargo 3,393 6-23N, 160-17E United States Submarine Sunk
  29   FUKKEN MARU Passenger-Cargo 2,558 20-04N, 109-18E United States Navy Mine* Sunk
  29   AZUSA MARU Cargo 540 8-39S, 158-00E United States Army Aircraft Marine Land-
Based Aircraft
Sunk
  29   HACHIAN MARU Cargo 2,733 4-45S, 113-54E United States Submarine Sunk
  30   TOMIURA MARU Passenger-Cargo 3,821 4-15S, 152-10E United States Army Aircraft Sunk
  30   URAJIO MARU Cargo 3,110 51-58N, 177-33E United States Army Aircraft Sunk
  30   UNKNOWN MARU Cargo 4,000e 00-41N, 148-52E United States Submarine Sunk
  30   HITERU MARU Cargo 5,857 00-41N, 148-52E United States Submarine Sunk
        25 Vessels 88,364        
January 1 1943 RENZAN MARU Cargo 4,999 39-11N, 141-44E United States Submarine Sunk
  5   KOTOHIRA MARU Cargo 6,101 53-00N, 173-10E United States Army Aircraft Sunk
  5   KEIFUKU MARU Cargo 5,833 4-21S, 152-17E United States Army Aircraft Sunk
  5   MONTREAL MARU Cargo 6,577 52-40N, 178-15E United States Army Aircraft Sunk
  7   NICHIRYU MARU Passenger-Cargo 5,447 6-30S, 149-00E United States Army Aircraft Sunk
  8   MYOKO MARU Cargo 4,103 6-49S, 147-04E United States Army Aircraft Sunk
  9   YOSHINOGAWA MARU Cargo 1,430 6-13S, 156-00E United States Submarine Sunk
  13   IWASHIRO MARU Cargo 3,550 9-54N, 167-07E United States Submarine Sunk
  14   SHIRAHA MARU Cargo 5,693 9-12N, 130-38E United States Submarine Sunk
  15   NICHIMEI MARU Cargo 4,704 13-30N, 98-30E United States Army Aircraft Sunk
  16   CHIFUKU MARU Passenger-Cargo 5,857 4-00S, 151-55E United States Submarine Sunk
  16   KINPOSAN MARU Cargo 3,261 2-47S, 149-10E United States Submarine Sunk
  17   UNKNOWN MARU Cargo 4,000e 34-31N, 137-48E United States Submarine Sunk
  17   HEIYO MARU Passenger-Cargo 9,815 10-13N, 151-25E United States Submarine Sunk
  18   SENSAN MARU Cargo 2,775 3-53S, 149-20E United States Army Aircraft Sunk
  18   TOKACHI MARU Cargo 1,932 6-50S, 112-12E Japan Mine Sunk
  18   TOEI MARU Tanker 10,023 6-21N, 150-23E United States Submarine Sunk
* Probable Agent

--37--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 19 1943 MYOHO MARU Cargo 4,122 5-30S, 156-00E United States Submarine Sunk
  20   SOMEDONO MARU Passenger-Cargo 5,154 3-52N, 153-56E United States Submarine Sunk
  20   SURABAYA MARU Cargo 4,391 3-52N, 153-56E United States Submarine Sunk
  20   MEIU MARU Cargo 8,230 3-52N, 153-56E United States Submarine Sunk
  21   KENKON MARU Transport 4,575 6-12S, 155-51S United States Submarine Sunk
  21   UNKNOWN MARU Cargo 2,934e 11-25N, 109-22E United States Submarine Sunk
  22   TETSUZAN MARU Cargo 1,922 4-15S, 152-10E United States Army Aircraft Sunk
  22   UNKNOWN MARU Cargo 4,000e 3-55S, 152-07E United States Submarine Sunk
  22   HASSHU MARU Passenger-Cargo 1,873 5-40S, 120-35E United States Submarine Sunk
  26   USHIO MARU Cargo 749 13-26N, 121-16E United States Submarine Sunk
  26   TOKAI MARU Passenger-Cargo 8,358 13-27N, 144-37E United States Submarine Sunk
  26   UNKNOWN MARU Cargo 4,000e 2-37N, 139-42E United States Submarine Sunk
  26   BUYO MARU Transport 5,447 1-55N, 139-14E United States Submarine Sunk
  26   FUKUEI MARU NO 2 Cargo 1,901 1-55N, 139-14E United States Submarine Sunk
  27   SHOAN MARU Passenger-Cargo 5,624 14-15N, 153-43E United States Submarine Sunk
  29   NICHIUN MARU Cargo 2,723 6-21S, 156-04E United States Submarine Sunk
  31   TOA MARU NO 2 Cargo 6,732 7-50S, 156-50E United States Marine Land-
Based Aircraft
Sunk
        34 Vessels 158,885        
February 1 1943 FUSHIMI MARU Passenger-Cargo 10,935 34-16N, 138-17E United States Submarine Sunk
  2   KENKOKU [blank] 954 [blank] [blank] [blank] [blank]
  6   GISHO MARU Cargo 543 4-30S, 151-30E United States Army Aircraft Sunk
  8   SHOTOKU MARU Cargo 1,146 35-26N, 132-38E Japan Marine Casualty Sunk
  8   KUSUYAMA MARU Cargo 5,306 22-40N, 119-12E United States Submarine Sunk
  8   TATSUTA MARU Transport 16,975 33-45N, 140-25E United States Submarine Sunk
  12   TIEN LEE Cargo 2,184 40-00N, 143-00E Japan Mine Sunk
  14   HITACHI MARU Cargo 6,540 6-45S, 155-50E United States Navy Land-
Based Aircraft
Sunk
  14   HIROTAMA MARU Converted Gunboat 1,911 4-11S, 117-45E United States Submarine Sunk
  15   KOKOKU MARU Cargo 544 5-32S, 150-09S United States Army Aircraft Sunk
  15   SURUGA MARU Cargo 991 6-27S, 156-02E United States Submarine Sunk
  15   TATEYAMA MARU Cargo 1,990 39-18N, 142-08E United States Submarine Sunk
  16   HYUGA MARU Cargo 994 13-30N, 145-47E United States Submarine Sunk
  19   HIBARI MARU Cargo 6,550 6-45S, 155-50E United States Submarine
Navy Land-
Based Aircraft
Sunk
  19   UNKNOWN MARU Cargo 6,500e 6-45S, 155-50E United States Army Aircraft Sunk
  19   AKAGANE MARU Cargo 3,121 53-05N, 171-22E United States Surface Craft Sunk
  20   SHINKOKU MARU Passenger-Cargo 3,991 15-09N, 159-30E United States Submarine Sunk
  21   KUWAYAMA MARU Cargo 5,724 7-53S, 119-13E United States Submarine Sunk
  27   KIRIKAWA MARU Transport 3,836 7-30S, 136-40E United States Army Aircraft Navy Land-
Based Aircraft
Sunk

--38--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 27 1943 ASAKASAN MARU Passenger-Cargo 8,709 15-53N, 97-40E United States Army Aircraft Sunk
  28   KASHII MARU Cargo 3,218 34-39N, 138-58E Japan Marine Casualty Sunk
        21 Vessels 92,662        
March    2 1943 KYOKUSEI MARU Cargo 5,493 5-05S, 148-28E United States Army Aircraft Sunk
  2   TOEN MARU Tanker 5,232 3-29S, 117-17E United States Submarine Sunk
  3   KEIZAN MARU Cargo 2,319 38-00N, 119-00E Japan Marine Casualty Sunk
  3   KEMBU MARU Cargo 953 7-15S, 148-30E United States Army Aircraft Sunk
  3   TAIMEI MARU Cargo 2,883 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   SHINAI MARU Cargo 3,793 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   TEIYO MARU Cargo 6,869 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   NOJIMA Collier 4,500e 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   AIYO MARU Cargo 2,746 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   OIGAWA MARU Cargo 6,493 7-15S, 148-30E United States
United States
Australia
Army Aircraft
Surface Craft
Aircraft
Sunk
  3   NICHIYU MARU Passenger-Cargo 6,817 10-22N, 145-21E United States Submarine Sunk
  4   HOKUTO MARU Cargo 2,270 42-00N, 141-00E Japan Mine* Sunk
  6   KIRIHA MARU Cargo 3,057 00-00N, 145-00E United States Submarine Sunk
  8   HISASHIMA MARU Cargo 2,742 41-16N, 142-27E United States Submarine Sunk
  10   KAIJO MARU Tanker 3,270 5-33S, 122-55E United States Army Aircraft Sunk
  12   TAIHOSAN MARU Converted Water Carrier 1,805 7-15N, 159-10E United States Submarine Sunk
- 13   KASUGA MARU NO 2 Cargo 3,967 11-40N, 92-50E Netherlands Submarine Sunk
  13   MOMOYAMA MARU Cargo 5,217 2-45S, 143-20E United States Army Aircraft Sunk
  13   KOSEI MARU Cargo 3,262 29-04N, 129-17E United States Submarine Sunk
  15   MOMOHA MARU Cargo 3,103 00-00N, 145-00E United States Submarine Sunk
  19   TAKACHIHO MARU Transport 8,154 26-00N, 122-18E United States Submarine Sunk
  19   ZOGEN MARU Cargo 1,428 38-29N, 122-19E United States Submarine Sunk
  19   KOWA MARU Transport 3,217 38-27N, 122-18E United States Submarine Sunk
  21   NITTSU MARU Cargo 2,183 38-05N, 124-33E United States Submarine Sunk
* Probable Agent

--39--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March    21 1943 HOZAN MARU Cargo 2,260 38-11N, 124-33E United States Submarine Sunk
  22   MEIGEN MARU Cargo 5,434 6-31S, 112-47E United States Submarine Sunk
  23   UNKNOWN MARU Cargo 2,427e 38-37N, 121-01E United States Submarine Sunk
  23   KENYO MARU Cargo 6,486 17-16N, 144-56E United States Submarine Sunk
  24   TAKAOSAN MARU Cargo 2,076 39-01N, 122-25E United States Submarine Sunk
  25   SATSUKI MARU Cargo 827 38-10N, 123-26E United States Submarine Sunk
  25   UNKNOWN MARU Cargo 2,556e 38-13N, 123-24E United States Submarine Sunk
  28   FUNAKAWA MARU Tanker 868 41-22N, 141-22E Japan Marine Casualty Sunk
  28   SUWA MARU Transport 10,672 19-13N, 166-34E United States Submarine Sunk
  29   TOHO MARU Tanker 9,997 00-00N, 118-18E United States Submarine Sunk
  29   YAMABATO MARU Cargo 2,556 30-26N, 129-41E United States Submarine Sunk
  30   KUROHIME MARU Cargo 4,697 00-22S, 147-46E United States Submarine Sunk
  31   NANSHIN MARU Cargo 4,911 34-13N, 133-06E Japan Marine Casualty Sunk
        37 Vessels 147,540        
April           2 1943 FLORIDA MARU Passenger-Cargo 5,854 2-40S, 150-40E United States Army Aircraft Sunk
  2   TOYO MARU NO 2 Cargo 4,163 7-23N, 149-13E United States Submarine Sunk
  3   ARIMA MARU Passenger-Cargo 7,389 10-26N, 135-00E United States Submarine Sunk
  4   KOA MARU Cargo 2,024 13-11N, 161-57E United States Submarine Sunk
  7   KOSEI MARU Passenger-Cargo 8,237 8-50N, 147-06E United States Submarine Sunk
  7   FUKUEI MARU Cargo 1,113 41-00N, 142-00E United States Submarine* Sunk
  8   TOYO MARU Cargo 1,916 10-26N, 135-00E United States Submarine Sunk
  9   OYAMA MARU Cargo 3,809 00-32N, 150-05E United States Submarine Sunk
  9   SHANGHAI MARU Cargo 4,103 13-11N, 121-45E United States Submarine Sunk
  9   PENANG MARU Cargo 5,214 5-29S, 123-02E United States Submarine Sunk
  12   SAPPORO MARU NO 12 Cargo 2,865 41-23N, 141-30E United States Submarine Sunk
  14   INDIA MARU Cargo 5,872 3-25S, 143-40E United States Army Aircraft Sunk
  14   SYDNEY MARU Passenger-Cargo 4,105 4-10S, 144-55E United States Army Aircraft Sunk
  15   KAIHEI MARU Cargo 4,575 21-06N, 151-45E United States Submarine Sunk
  17   TRAN NINH Cargo 1,463 10-30N, 107-00E Japan Marine Casualty Sunk
  17   NISSHIN MARU NO 2 Tanker 17,579 Off Formosa Unknown Unknown Sunk
  17   AMAHO MARU Cargo 2,769 42-04N, 143-22E United States Submarine Sunk
  17   TATSUNAN MARU Cargo 6,417 6-50S, 155-45E United States Navy Mine Sunk
  18   NISSHUN MARU Cargo 6,380 1-55N, 148-24E United States Submarine Sunk
  20   SUMERUSAN MARU Passenger-Cargo 1,871 6-51S, 112-45E Japan Marine Casualty Sunk
  20   KOSEI MARU Cargo 864 3-30S, 143-30S United States Army Aircraft Sunk
  20   MEIJI MARU NO 1 Converted Gunboat 1,934 37-10N, 141-25E United States Submarine Sunk
  22   YAMAZATO MARU Passenger-Cargo 6,925 3-28N, 99-47E Netherlands Submarine Sunk
  24   KASUGA MARU Cargo 1,377 41-43N, 141-21E United States Submarine Sunk
* Probable Agent

--40--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
April           27 1943 YUZAN MARU Passenger-Cargo 6,380 33-08N, 143-03E United States Submarine Sunk
  28   KAMAKURA MARU Transport 17,526 10-18N, 121-44E United States Submarine Sunk
        26 Vessels 132,724        
May         1 1943 KEISHIN MARU Converted Gunboat 1,434 37-04N, 141-06E United States Submarine Sunk
  2   TAMON MARU Cargo 8,156 27-18N, 121-38E United States Submarine Sunk
  4   SAN CLEMENTE MARU Tanker 7,354 6-54N, 134-55E United States Submarine Sunk
  5   HAKKAI MARU Cargo 2,921 34-11N, 137-41E United States Submarine Sunk
  5   KINKO MARU Cargo 1,268 38-39N, 122-36E United States Submarine Sunk
  5   DAIFUKU MARU Cargo 3,194 38-39N, 122-36E United States Submarine Sunk
  7   TAMON MARU NO 5 Passenger-Cargo 5,260 40-05N, 141-53E United States Submarine Sunk
  7   TOSEI MARU Cargo 4,363 36-05N, 123-21E United States Submarine Sunk
  8   TOMIOKA MARU Cargo 970 5-12S, 145-50E United States Army Aircraft Sunk
  8   SUMIDA MARU Cargo 546 5-12S, 145-50E United States Army Aircraft Sunk
  9   ASO MARU Cargo 703 9-09N, 122-50E United States Submarine Sunk
  9   TAKAO MARU Passenger-Cargo 3,204 38-57N, 141-49E United States Submarine Sunk
  9   JINMU MARU Cargo 1,912 38-57N, 141-49E United States Submarine Sunk
  10   TATSUTAKE MARU Passenger-Cargo 7,068 14-29N, 149-002 United States Submarine Sunk
  10   KINAI MARU Passenger-Cargo 8,360 14-29N, 149-00E United States Submarine Sunk
  11   YODOGAWA MARU Cargo 6,441 00-47S, 149-02E United States Submarine Sunk
  12   SUMATRA MARU Cargo 5,862 12-43N, 124-08E United States Submarine* Sunk
  14   HOUN MARU Cargo 1,917 6-47S, 155-51E United States Marine Land-Based Aircraft Sunk
  15   MEIKAI MARU Passenger-Cargo 3,197 13-07N, 121-49E United States Submarine Sunk
  15   INDUS MARU Passenger-Cargo 4,361 13-07N, 121-49E United States Submarine Sunk
  17   WOOSUNG MARU Cargo 3,090 35-00N, 140-00E Japan Marine Casualty Sunk
  17   ENGLAND MARU Cargo 5,830 1-00S, 148-40E United States Submarine Sunk
  18   TERUSHIMA MARU Converted Gunboat 3,110 8-45N, 170-30E United States Submarine Probably sunk
  20   BANGKOK MARU Converted Light Cruiser 5,350 5-47N, 169-42E United States Submarine Sunk
  26   TAINAN MARU Cargo 1,989 37-03N, 141-09E United States Submarine Sunk
  26   KAGI MARU Transport 2,343 28-45N, 129-37E United States Submarine Sunk
  26   SHOEI MARU Cargo 3,580 14-17N, 144-53E United States Submarine Sunk
  27   KOCHI MARU Cargo 2,910 8-41N, 134-02E United States Submarine Sunk
  28   KAMIKAWA MARU Converted Seaplane Tender 6,853 1-36S, 150-24E United States Submarine Sunk
  28   SEIKI MARU Cargo 1,036 50-38N, 155-15E United States Submarine Sunk
  28   AKATSUKI MARU Tanker 10,216 27-32N, 126-08E United States Submarine Sunk
  29   EISHO MARU Cargo 2,486 17-35N, 110-45E United States Submarine Sunk
  30   TAKAMISAN MARU Cargo 1,992 30-07N, 124-32E United States Submarine Sunk
  30   SHOKO MARU Cargo 5,335 30-07N, 124-32E United States Submarine Sunk
        34Vessels 134,661        
* Probable Agent

--41--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June         1 1943 NOBORIKAWA MARU Cargo 2,182 35-02N, 140-14E United States Submarine Sunk
  5   SHINTOKU MARU Cargo 780 6-50S, 155-45S United States Navy Carrier-
Based Aircraft
Sunk
  6   SHINEI MARU Cargo 973 7-00N, 123-37E United States Submarine Sunk
  8   KAHOKU MARU Converted Gunboat 3,350 9-07N, 134-31E United States Submarine Sunk
  11   GENOA MARU Cargo 6,785 7-36N, 134-17E United States Submarine Sunk
  11   JINBU MARU Cargo 5,228 50-23N, 155-36E United States Submarine Sunk
  11   HIDE MARU Cargo 5,256 2-47N, 152-00E United States Submarine Sunk
  11   SEINAN MARU Cargo 1,338 41-00N, 141-30E United States Submarine* Sunk
  13   KONAN MARU Passenger-Cargo 5,226 6-05N, 138-25E United States Submarine Sunk
  13   SUZUYA MARU Cargo 901 3-08S, 151-24E United States Submarine Sunk
  15   KOYO MARU Cargo 6,435 33-55N, 127-38E United States Submarine Sunk
  15   SHINJU MARU Cargo 3,617 39-13N, 142-00E United States Submarine Sunk
  15   SANRAKU MARU Tanker 3,000 5-09N, 119-38E United States Submarine Sunk
  17   MYOKO MARU Passenger-Cargo 5,087 2-03S, 153-44E United States Submarine* Sunk
  19   TOKIWA MARU Cargo 6,971 32-31N, 126-19E United States Submarine Sunk
  19   MIYADONO MARU Passenger-Cargo 5,196 1-38N, 148-14E United States Submarine Sunk
  20   SHOJIN MARU Cargo 4,739 24-39N, 118-52E United States Submarine Sunk
  20   MEITEN MARU Cargo 4,474 15-57N, 140-55E United States Submarine Sunk
  21   HONGKONG MARU Transport 2,797 Off Formosa Unknown Unknown Sunk
  23   SAGARA MARU Converted Seaplane Tender 7,189 33-45N, 138-10E United States Submarine Sunk
  25   IBURI MARU Passenger-Cargo 3,291 39-34N, 142-06E United States Submarine Sunk
  26   SHINRYU MARU Passenger-Cargo 4,936 48-06N, 153-15E United States Submarine* Sunk
  26   TOYO MARU Passenger-Cargo 4,163 33-22N, 138-56E United States Submarine Sunk
  26   SHOZAN MARU Cargo 5,859 33-22N, 138-56E United States Submarine Sunk
  28   SHOTOKU MARU Converted Gunboat 1,964 14-10N, 145-03E United States Submarine Sunk
  29   MIKAGE MARU NO 8 Cargo 3,371 45-04N, 142-03E Japan Marine Casualty Sunk
        26 Vessels 105,108        
July      1 1943 YONEYAMA MARU Passenger-Cargo 5,274 00-20N, 119-32E United States Submarine Sunk
  2   KASHI MARU Cargo 654 8-06S, 157-20E United States Army Aircraft Sunk
  2   CANTON MARU Cargo 2,820 25-07N, 119-18E United States Submarine Sunk
  2   BANSHU MARU NO 7 Cargo 5,430 52-30N, 156-12E United States Submarine Sunk
  2   ISUZU MARU Cargo 2,866 13-36N, 121-49E United States Submarine Sunk
  3   ANZAN MARU Cargo 3,890 38-08N, 124-20E United States Submarine Sunk
  3   KOKURYU MARU Passenger-Cargo 6,112 38-08N, 124-20E United States Submarine Sunk
  4   NIKKYU MARU Cargo 6,529 34-31N, 138-35E United States Submarine Sunk
  4   KOKI MARU Cargo 5,290 28-40N, 124-10E United States Submarine Sunk
  4   LIVERPOOL MARU Cargo 5,865 28-40N, 124-10E United States Submarine Sunk
  6   BANSHU MARU NO 33 Cargo 737 43-35N, 140-21E United States Submarine Sunk
* Probable Agent

--42--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July      7 1943 SHOWA MARU Passenger-Cargo 2,212 43-14N, 139-53E United States Submarine Sunk
  11   TAIKO MARU Cargo 1,925 12-53N, 131-49E United States Submarine Sunk
  12   TAIRYO MARU Cargo 1,423 20-52N, 106-41E United States Army Aircraft Sunk
  12   CHIKUZAN MARU Cargo 1,840 20-52N, 106-41E United States Army Aircraft Sunk
  12   NIITAKA MARU Passenger-Cargo 2,478 43-02N, 140-00E United States Submarine Sunk
  15   URADO MARU Passenger-Cargo 1,336 33-59N, 132-44E Japan Marine Casualty Sunk
  17   FUZAN MARU Cargo 1,972 46-57N, 141-42E Japan Marine Casualty Sunk
  19   MIKAGE MARU NO 20 Passenger-Cargo 2,718 18-34N, 166-20E United States Submarine Sunk
  21   SAIPAN MARU Transport 5,533 16-18N, 134-09E United States Submarine Sunk
  24   MIE MARU Cargo 2,913 2-45S, 133-40E Australia Mine Sunk
  25   THAMES MARU Cargo 5,871 2-40N, 148-26E United States Submarine Sunk
  27   TEIKIN MARU Cargo 1,972 19-57N, 109-05E United States Navy Mine* Sunk
  28   TAMISHIMA MARU Cargo 1,931 13-52N, 97-50E United States Army Aircraft Sunk
  30   RYUZAN MARU Cargo 4,720 6-31S, 111-26E United States Submarine Sunk
        25 Vessels 84,361        
August 1 1943 MOGAMIGAWA MARU Aircraft Ferry 7,497 11-16N, 153-34E United States Submarine Sunk
  3   KAISHO MARU Passenger-Cargo 6,070 5-18S, 111-52E United States Submarine Sunk
  5   SHOJU MARU Passenger-Cargo 2,022 24-37N, 152-45E United States Submarine Sunk
  8   TANGSHAN MARU Cargo 2,103 42-00N, 142-00E Japan Marine Casualty Sunk
  8   NARUTO MARU Aircraft Ferry 7,149 24-12N, 142-51E United States Submarine Sunk
  9   SEKKO MARU Passenger-Cargo 3,183 24-51N, 122-12E United States Submarine Sunk
  10   WAKANOURA MARU Passenger-Cargo 2,411 46-58N, 143-30E United States Submarine Sunk
  13   EDO MARU Converted Gunboat 1,299 23-24N, 142-26E United States Submarine Sunk
  20   CHOSA MARU Converted Gunboat 2,538 5-09N, 100-10E Netherlands Submarine Sunk
  20   NIKKYO MARU Cargo 5,484 34-14N, 136-39E Japan Marine Casualty Sunk
  20   SEITAI MARU Cargo 3,404 42-15N, 139-53E United States Submarine Sunk
  20   SEIZAN MARU Cargo 955 00-58N, 119-01E United States Submarine Sunk
  22   GLASGOW MARU Cargo 5,831 Indian Ocean Unknown Unknown Sunk
  22   RYOKAI MARU Cargo 4,655 42-40N, 139-48E United States Submarine Sunk
  22   KAISHO MARU Passenger-Cargo 4,164 10-09N, 147-25E United States Submarine Sunk
  22   NISHIYAMA MARU Cargo 3,016 2-40N, 137-10E United States Submarine Sunk
  23   HEITO MARU Cargo 4,468 9-10N, 92-50E United States Army Aircraft Sunk
  23   ATAKA MARU Passenger-Cargo 5,248 34-37N, 137-53E United States Submarine Sunk
  27   MEIZAN MARU Passenger-Cargo 5,480 13-13N, 121-23E United States Submarine* Sunk
  27   TAIFUKU MARU Passenger-Cargo 3,520 32-27N, 132-24E United States Submarine Sunk
  29   CHOJUN MARU Cargo 2,246 34-28N, 128-55E Japan Marine Casualty Sunk
  30   TAIBUN MARU Passenger-Cargo 6,581 41-53N, 141-10E United States Submarine Sunk
  31   SHOTO MARU Passenger-Cargo 5,254 28-27N, 123-03E United States Submarine Sunk
  31   KOKKO MARU Cargo 5,486 28-27N, 123-03E United States Submarine Sunk
        24 Vessels 100,064        
* Probable Agent

--43--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 1 1943 FUSEI MARU Passenger-Cargo 2,256 31-28N, 127-24E United States Submarine Sunk
  2   BUSAN MARU Cargo 1,990 42-21N, 149-59E Japan Marine Casualty Sunk
  2   HANKOW MARU Passenger-Cargo 4,105 3-35S, 143-39E United States Army Aircraft Sunk
  2   NAGATO MARU Cargo 5,901 3-35S, 143-39E United States Army Aircraft Sunk
  3   AKAMA MARU Cargo 5,600 41-00N, 141-30E United States Submarine* Sunk
  3   TAGONOURA MARU Cargo 3,521 34-10N, 140-12E United States Submarine Sunk
  4   HEIJO MARU Converted Gunboat 2,627 5-32N, 156-23E United States Submarine Sunk
  4   KOZAN MARU Passenger-Cargo 4,180 22-22N, 120-04E United States Submarine Sunk
  5   TENKAI MARU Cargo 3,203 1-10N, 142-10E United States Submarine Sunk
  6   KOFUKU MARU Cargo 3,209 38-00N, 138-25E Japan Marine Casualty* Sunk
  6   ANNAN MARU Cargo 2,941 16-46N, 96-10E United States Army Aircraft Sunk
  6   MILAN MARU Cargo 5,467 16-46N, 96-10E United States Army Aircraft Sunk
  6   SHOGEN MARU Cargo 3,362 42-13N, 142-16E United States Submarine Sunk
  8   HAKUTETSU MARU NO 13 Cargo 1,334 2-44S, 141-36E United States Submarine Sunk
  9   KOYO MARU Cargo 3,010 35-20N, 140-40E United States Submarine* Sunk
  9   KOSHIN MARU Cargo 1,358 34-21N, 127-51E Japan Marine Casualty Sunk
  11   YOKO MARU Cargo 1,050 33-50N, 139-33E United States Submarine Sunk
  11   HOKUSHO MARU Cargo 4,211 00-28S, 166-52E United States Submarine Sunk
  13   YAMATO MARU Transport 9,656 30-06N, 123-33S United States Submarine Sunk
  16   SEIKAI MARU Converted Gunboat 2,663 2-30S, 150-48E Australia Mine Sunk
  17   TAMATSU MARU Passenger-Cargo 4,646 5-23N, 100-21E Japan Marine Casualty Sunk
  18   YOWA MARU Cargo 6,435 27-31N, 126-57E United States Submarine* Sunk
  18   KANSAI MARU Passenger-Cargo 8,614 00-25N, 146-21E United States Submarine Sunk
  19   KATSURA MARU NO 2 Converted Gunboat 1,368 49-05N, 151-45E United States Submarine Sunk
  19   KACHISAN MARU Cargo 814 33-30N, 135-40E United States Submarine Sunk
  21   SHIRIYA Tanker 6,500 26-27N, 122-40E United States Submarine Sunk
  21   SHOYO MARU Tanker 7,498 26-27N, 122-40E United States Submarine Sunk
  21   ARGUN MARU Cargo 6,662 26-27N, 122-40E United States Submarine Sunk
  22   HOKUSEI MARU Cargo 1,394 Sea of Okhotsk Unknown Unknown Sunk
  22   KATSURAHAMA MARU Cargo 715 39-11N, 123-20E United States Submarine Sunk
  23   KOWA MARU Cargo 4,520 34-15N, 137-00E United States Submarine Sunk
  23   DAISHIN MARU Tanker 5,878 34-15N, 137-00E United States Submarine Sunk
  23   RYOTOKU MARU Cargo 3,483 21-17N, 142-00E United States Submarine Sunk
  23   YAMASHIRO MARU Passenger-Cargo 3,429 21-17N, 142-00E United States Submarine Sunk
  24   SHONAN MARU Cargo 521 00-27S, 147-43E United States Army Aircraft Sunk
  25   TAIKO MARU Cargo 2,958 41-30N, 139-00E United States Submarine* Sunk
  25   KIRISHIMA MARU Passenger-Cargo 8,120 9-44N, 111-56E United States Submarine Sunk
  27   TAISEI MARU Cargo 1,957 3-19S, 143-33E United States Army Aircraft Sunk
  27   HAKUSAN MARU Cargo 2,197 1-18N, 103-52E Great
Britain
Sabotage Sunk
  27   KIZAN MARU Cargo 5,077 1-18N, 103-52E Great
Britain
Sabotage Sunk
  27   KASHIMA MARU Transport 9,908 10-14N, 109-45E United States Submarine Sunk
* Probable Agent

--44--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 28 1943 AKASHI MARU Cargo 3,227 6-11S, 126-00E United States Submarine Sunk
  28   TAIAN MARU Passenger-Cargo 3,158 15-22N, 145-38E United States Submarine Sunk
  29   MASAKI MARU NO 2 Cargo 1,238 40-00N, 130-00E United States Submarine* Sunk
  30   MAEBASHI MARU Passenger-Cargo 7,005 6-01N, 139-08E United States Submarine Sunk
        45 Vessels 178,966        
October     1 1943 TONEI MARU Passenger-Cargo 4,930 4-01N, 143-47E United States Submarine Sunk
  1   KINKASAN MARU Cargo 4,980 4-01N, 143-47E United States Submarine Sunk
  5   KONRON MARU Transport 7,908 34-00N, 130-00E United States Submarine Sunk
  6   KAZAHAYA Tanker 8,000e 10-01N, 148-31E United States Submarine Sunk
  6   KANKO MARU Passenger-Cargo 1,288 37-18N, 129-33E United States Submarine* Sunk
  6   SHINYU MARU Cargo 529 3-35S, 143-36E United States Army Aircraft Sunk
  7   KIKUKAWA MARU Passenger-Cargo 3,833 7-22N, 151-54E Japan Marine Casualty Sunk
  8   TAIAN MARU Cargo 5,655 18-24N, 119-09E United States Submarine Sunk
  8   DAINICHI MARU Passenger-Cargo 5,813 18-24N, 119-09E United States Submarine Sunk
  8   KASHU MARU Cargo 5,460 00-25S, 146-22E United States Submarine Sunk
  9   KANKO MARU Cargo 2,995 37-18N, 129-33E United States Submarine* Sunk
  9   KOGANE MARU Passenger-Cargo 3,132 3-36S, 127-44E United States Submarine Sunk
  10   HINO MARU NO 5 Cargo 2,725 5-35S, 154-25E United States Army Aircraft Sunk
  10   TEIBI MARU Transport 10,086 14-44N, 110-19E United States Submarine Sunk
  10   ISUZUGAWA MARU Cargo 4,212 14-44N, 110-19E United States Submarine Sunk
  11   SANWA MARU Cargo 547 5-30S, 154-45E United States Army Aircraft Sunk
  12   KEISHO MARU Passenger-Cargo 5,879 4-13S, 152-12E United States Army Aircraft Sunk
  12   TSUKINADA MARU Passenger-Cargo 530 4-13S, 152-11E United States Army Aircraft Sunk
  13   DAIGEN MARU NO 8 Cargo 1,365 24-28N, 118-04E United States Army Aircraft Sunk
  13   KENKOKU MARU Cargo 3,127 3-47S, 127-41E United States Submarine Sunk
  14   KOZUI MARU Passenger-Cargo 7,072 27-35N, 127-27E United States Submarine Sunk
  15   CHICAGO MARU Passenger-Cargo 5,866 24-35N, 120-31E United States Submarine Sunk
  18   TAICHU MARU Cargo 1,906 34-00N, 136-24E United States Submarine Sunk
  18   TAIRIN MARU Cargo 1,915 1-00N, 143-16E United States Submarine Sunk
  20   SANA MARU Cargo 3,365 12-36N, 109-30E United States Submarine Sunk
  22   AWATA MARU Converted Light Cruiser 7,397 26-48N, 124-56E United States Submarine Sunk
  24   TENNAN MARU Cargo 5,407 2-05N, 144-39E United States Submarine Sunk
  24   KAZAN MARU Cargo 1,893 2-05N, 144-39E United States Submarine Sunk
  24   JOHORE MARU Passenger-Cargo 6,182 2-05N, 144-39E United States Submarine Sunk
  26   DOVER MARU Cargo 3,212 16-16N, 96-18E United States Army Aircraft Sunk
  26   HOKUZAN MARU Cargo 1,329 20-05N, 110-25E United States Army Aircraft Sunk
  26   YAMATOGAWA MARU Cargo 776 20-05N, 110-25E United States Army Aircraft Sunk
  26   SHOZAN MARU Cargo 2,937 20-52N, 106-40E United States Army Mine Sunk
  27   FUJI MARU Transport 9,138 28-25N, 128-04E United States Submarine Sunk
  27   NANMAN MARU Cargo 6,550 12-34N, 134-48E United States Submarine Sunk
* Probable Agent

--45--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October     29 1943 WUHU MARU Cargo 3,222 22-30N, 115-25E United States Submarine Sunk
  30   SHINYO MARU NO 2 Cargo 1,085 41-52N, 140-07E Japan Marine Casualty Sunk
  30   SHANGHAI MARU Transport 5,258 32-00N, 125-00E Japan Marine Casualty Sunk
  31   KORYO MARU Tanker 589 1-25N, 120-46E United States Submarine Sunk
        39 Vessels 158,093        
November   2   CHIHAYA MARU Cargo 7,089 28-37N, 134-47E United States Submarine* Sunk
  2   UME MARU Passenger-Cargo 5,859 28-37N, 134-45E United States Submarine* Sunk
  2   YAWATA MARU Cargo 1,852 28-49N, 134-50E United States Submarine* Sunk
  2   DELAGOA MARU Passenger-Cargo 7,148 28-55N, 134-43E United States Submarine* Sunk
  2   MANKO MARU Cargo 1,503 4-15S, 152-10E United States Army Aircraft Sunk
  2   SHINKO MARU Cargo 3,119 4-13S, 152-11E United States Army Aircraft Sunk
  2   EHIME MARU Cargo 4,653 28-18N, 134-48E United States Submarine Sunk
  3   MINATO MARU Cargo 664 00-43N, 169-10E United States Navy Land-Based Aircraft Sunk
  4   CHINKO MARU Passenger-Cargo 3,222 23-20N, 116-45E United States Army Aircraft Sunk
  4   RYUOSAN MARU Cargo 2,455 2-40S, 150-40E Australia Mine Sunk
  4   KAIFUKU MARU Passenger-Cargo 3,177 21-22N, 113-20E United States Submarine Sunk
  6   ASAYAMA MARU Converted Water Carrier 1,917 5-44S, 154-45E United States Army Aircraft Sunk
  6   UJIGAWA MARU Cargo 782 5-16N, 154-33E United States Army Aircraft Sunk
  7   INUSHIMA MARU NO 6 Cargo 586 24-28N, 118-04E United States Army Aircraft Sunk
  7   NAGATA MARU Cargo 670 24-28N, 118-04E United States Army Aircraft Sunk
  8   KYOKUEI MARU Tanker 10,570 16-44N, 116-22E United States Submarine Sunk
  8   TANGO MARU Tanker 2,046 00-22N, 119-44E United States Submarine Sunk
  9   TAGA MARU Cargo 2,868 21-38N, 131-19E United States Submarine Sunk
  10   KISOGAWA MARU Converted Water Carrier 1,914 6-12N, 99-25E Great
Britain
Submarine Sunk
  10   GIYU MARU Cargo 877 5-30S, 154-45E United States Army Aircraft Sunk
  10   TOKYO MARU Passenger-Cargo 6,486 3-36N, 150-34E United States Submarine Sunk
  11   KUNITAMA MARU Cargo 3,127 3-08S, 127-38E United States Submarine Sunk
  11   KOSEI MARU Passenger-Cargo 3,551 27-36N, 130-32E United States Submarine Sunk
  13   KYOKUYO MARU Tanker 17,548 East China Sea Unknown Unknown Sunk
  13   TANGO MARU Passenger-Cargo 6,893 East China Sea Unknown Unknown Sunk
  13   NACHISAN MARU Passenger-Cargo 4,433 32-57N, 125-06E United States Submarine Sunk
  13   MUKO MARU Transport 4,862 8-57N, 152-36E United States Submarine Sunk
  15   KYOKKO MARU Passenger-Cargo 6,783 14-53N, 119-54E United States Submarine Sunk
  16   KYORITSU MARU NO 2 Cargo 830 3-25S, 145-30E United States Army Aircraft Sunk
  16   TETSUWA MARU Cargo 1,951 23-42N, 117-35E United States Army Aircraft Sunk
  17   HIE MARU Converted Submarine Tender 11,621 1-48N, 148-24E United States Submarine Sunk
  19   DAIGEN MARU Cargo 1,517 19-54N, 110-10E United States Army Aircraft Probably sunk
  19   UDO MARU Cargo 3,936 22-27N, 147-15E United States Submarine Sunk
* Probable Agent

--46--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November   19 1943 HOKKO MARU Cargo 5,385 22-27N, 147-15E United States Submarine Sunk
  20   NAPLES MARU Cargo 5,824 3-22S, 151-45E United States Navy Land-Based Aircraft Sunk
  20   NIKKO MARU Cargo 5,949 22-47N, 147-20E United States Submarine Sunk
  21   EIZAN MARU Cargo 1,681 36-40N, 125-31E United States Submarine* Sunk
  21   TAIKO MARU Cargo 1,812 21-17N, 136-30E Japan Marine Casualty Sunk
  21   NICHII MARU Cargo 6,550 2-00S, 149-15E United States Army Aircraft Sunk
  21   SHINWA MARU Cargo 3,328 2-24S, 134-36E United States Army Aircraft Sunk
  22   KANAYAMASAN MARU Cargo 2,869 1-00N, 149-00E United States Army Aircraft Sunk
  22   YAMATO MARU Cargo 4,379 7-09N, 134-34E United States Submarine Sunk
  22   DAISHU MARU Cargo 3,322 33-36N, 128-35E United States Submarine Sunk
  22   KISO MARU Cargo 4,071 7-09N, 134-34E United States Submarine Sunk
  23   KIZAN MARU Cargo 2,841 1-50N, 127-55E United States Army Aircraft Sunk
  23   NEKKA MARU Transport 6,784 28-49N, 122-11E United States Submarine Sunk
  25   KENZAN MARU Cargo 4,705 00-51N, 145-56E United States Submarine Sunk
  25   TOA MARU Tanker 10,052 8-20N, 158-00E United States Submarine Sunk
  26   OGURASAN MARU Tanker 5,069 12-48N, 109-34E United States Submarine Sunk
  26   TAINAN MARU Cargo 5,407 13-02N, 109-28E United States Submarine Sunk
  26   ONOE MARU Cargo 6,667 00-40N, 148-14E United States Submarine Sunk
  26   NIKKAI MARU Converted Gunboat 2,562 4-00N, 147-50E United States Submarine Sunk
  26   UNKNOWN MARU Cargo 4,000e 33-36N, 128-57E United States Submarine Sunk
  26   SHINI MARU Cargo 3,811 6-56N, 134-38E United States Submarine Sunk
  27   BERYL Cargo 671 South China Sea Unknown Unknown Sunk
  27   BUENOS AIRES MARU Cargo 9,625 2-44S, 149-15E United States Unknown Aircraft Sunk
  27   HAKONE MARU Passenger-Cargo 10,420 25-20N, 120-00E United States Army Aircraft Sunk
  27   VAN VOLLENHOVEN Cargo 691 13-01N, 109-30E United States Submarine Sunk
  27   SAN RAMON MARU Tanker 7,309 33-38N, 129-05E United States Submarine Sunk
  28   SYDNEY MARU Passenger-Cargo 5,425 12-46N, 109-42E United States Submarine Sunk
  28   TONAN MARU Tanker 9,866 12-46N, 109-42E United States Submarine Sunk
  28   HOKKO MARU Cargo 5,347 1-40N, 141-45E United States Submarine Sunk
  28   YURI MARU Cargo 6,787 1-40N, 141-45E United States Submarine Sunk
  29   SUEZ MARU Cargo 4,646 6-22S, 116-35E United States Submarine Sunk
  29   KENRYU MARU Cargo 4,575 33-19N, 139-34E United States Submarine Sunk
  29   MANJU MARU Cargo 5,877 18-23N, 140-18E United States Submarine Sunk
  29   YAMAFUKU MARU Passenger-Cargo 4,928 18-37N, 139-45E United States Submarine Sunk
  29   SHIGANOURA MARU Cargo 3,512 18-38N, 139-35E United States Submarine Sunk
  30   COLUMBIA MARU Passenger-Cargo 5,618 1-56N, 147-23E United States Submarine Sunk
  30   SHOKO MARU Cargo 1,933 14-31N, 140-18E United States Submarine Sunk
        70 Vessels 320,807        
* Probable Agent

--47--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December 1 1943 TEIREN MARU Passenger-Cargo 3,044 22-13N, 114-05E United States Army Aircraft Sunk
  1   NICHIRYO MARU Passenger-Cargo 2,721 1-31N, 120-51E United States Submarine Sunk
  1   KONEI MARU Cargo 2,345 1-02N, 146-42E United States Submarine Sunk
  2   HITORA MARU Cargo 3,513 OFF JAPAN Unknown Unknown Sunk
  2   HIMALAYA MARU Passenger-Cargo 5,228 00-52S, 148-50E United States Army Aircraft Sunk
  3   ASSAM Cargo 1,668 18-51N, 95-17E United States Army Aircraft Sunk
  3   AZUMA MARU Passenger-Cargo 6,646 6-29N, 131-28E United States Submarine Sunk
  4   HIYOSHI MARU Passenger-Cargo 4,046 29-45N, 145-55E United States Submarine Sunk
  4   DAIDO MARU Converted Gunboat 2,962 8-15N, 159-06E United States Submarine Sunk
  5   ASAKAZE MARU Passenger-Cargo 6,517 9-19N, 167-25E United States Navy Carrier-
Based Aircraft
Sunk
  5   CHOKO MARU Cargo 3,515 9-19N, 167-25E United States Navy Carrier-
Based Aircraft
Sunk
  5   TATEBU MARU Cargo 6,816 9-19N, 167-25E United States Navy Carrier-
Based Aircraft
Sunk
  5   TATEYAMA MARU Converted Water Carrier 3,787 9-19N, 167-25E United States Navy Carrier-
Based Aircraft
Sunk
  5   HIMENO MARU Cargo 834 9-10N, 124-30E United States Submarine Sunk
  7   OTORI MARU Cargo 2,559 38-43N, 125-24E Japan Marine Casualty Sunk
  7   SOYO MARU Converted Submarine Tender 6,081 14-04N, 152-09E United States Submarine Sunk
  8   SANSEI MARU Passenger-Cargo 3,267 25-20N, 141-46E United States Submarine Sunk
  9   HIGARI MARU Cargo 878 38-44N, 125-24E Japan Marine Casualty Sunk
  12   TOSEI MARU Cargo 5,484 2-44N, 126-14E United States Submarine Sunk
  13   TOKIWA MARU Cargo 1,203 3-30S, 151-30E United States Navy Land-Based Aircraft Sunk
  13   FUKKAI MARU Passenger-Cargo 3,829 7-07N, 134-31E United States Submarine Sunk
  13   TOTAI MARU Cargo 3,195 30-55N, 132-33E United States Submarine Sunk
  14   HAKOZAKI MARU Passenger-Cargo 3,948 33-10N, 125-55E United States Submarine Sunk
  16   WAKATSU MARU Cargo 5,123 8-26S, 126-48E Netherlands Aircraft Sunk
  16   GENMEI MARU Cargo 3,180 8-26S, 126-48E Australia Aircraft Sunk
  16   GINYO MARU Cargo 8,613 22-27N, 120-08E United States Submarine Sunk
  18   GYOKUREI MARU Cargo 5,588 26-22N, 128-20E United States Submarine Sunk
  19   KAITO MARU Cargo 2,745 3-05S, 151-15E United States Army Aircraft Sunk
  19   ALASKA MARU Cargo 7,378 2-37S, 150-52E United States Navy Carrier-
Based Aircraft
Sunk
  20   SHOEI MARU Cargo 3,083 8-42N, 167-44E United States Navy Land-Based Aircraft Sunk
  20   TSUNESHIMA MARU Cargo 2,926 1-30N, 148-36E United States Submarine Sunk
  21   UYO MARU Cargo 6,376 32-38N, 132-04E United States Submarine Sunk
  21   TERUKAWA MARU Cargo 6,429 9-50N, 151-55E United States Submarine Sunk
  21   KONAN MARU Cargo 2,627 30-24N, 129-53E United States Submarine Sunk
  21   KASHIWA MARU Converted Net Tender   515 30-24N, 129-53E United States Submarine Sunk
  22   GINREI MARU Passenger-Cargo 5,949 20-12N, 113-42E China Aircraft Sunk
  23   NANKAI MARU NO 2 Cargo 1,960 6-05N, 171-43E United States Army Aircraft Navy Land-
Based Aircraft
Sunk

--48--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December 24 1943 SEIZAN MARU NO 2 Cargo 1,898 34-02N, 136-19E United States Submarine Sunk
  24   TOFUKU MARU Cargo 5,857 33-58N, 136-16E United States Submarine Sunk
  24   HEIWA MARU Cargo 5,578 2-45N, 127-41E United States Submarine Sunk
  25   TENRYU MARU Cargo 4,861 2-36S, 150-49E United States Navy Carrier Based Aircraft Sunk
  27   KYUEI MARU Tanker 10,171 21-42N, 118-05E United States Submarine Sunk
  27   KYOKO MARU Tanker 5,792 5-00S, 121-22E United States Submarine Sunk
  28   HEIZAN MARU Passenger-Cargo 1,061 30-31N, 117-02E United States Army Aircraft Sunk
  28   UNYO MARU Passenger-Cargo 1,037 30-31N, 117-02E United States Army Aircraft Sunk
  29   BICHU MARU Cargo 4,667 Off New Guinea Unknown Unknown Sunk  
  29   DAITEI MARU Passenger-Cargo 2,421 30-31N, 117-02E United States Army Aircraft Sunk
  29   KAKUZAN MARU Cargo 2,938 30-31N, 117-02E United States Army Aircraft Sunk
  29   TENPOSAN MARU Cargo 1,970 8-00N, 133-51E United States Submarine Sunk
  29   SHICHISEI MARU Cargo 1,911 8-03N, 134-04E United States Submarine Sunk
  29   RYUTO MARU Cargo 3,311 8-00N, 133-51E United States Submarine Sunk
  30   ICHIYU MARU Tanker 5,061 2-45S, 109-10E United States Submarine Sunk
  31   SHOHO MARU Cargo 1,936 5-18N, 160-16E United States Submarine Sunk
        53 Vessels 207,048        
January 1 1944 KANAIYAMA MARU Cargo 543 2-03S, 147-27E United States Navy Land-Based Aircraft Sunk
  1   RYUYO MARU Cargo 6,707 8-24N, 122-56E United States Submarine Sunk
  1   OKUYO MARU Converted Gunboat 2,904 3-51S, 128-04E United States Submarine Sunk
  1   NAGOYA MARU Aircraft Ferry 6,072 32-10N, 138-37E United States Submarine Sunk
  2   ISSHIN MARU Tanker 10,000e 29-30N, 128-50E United States Submarine Sunk
  3   SAISHU MARU Cargo 2,082 33-44N, 136-02E United States Submarine Sunk
  3   RYUEI MARU Tanker 5,144 8-06N, 112-30E United States Submarine Sunk
  3   BOKUEI MARU Tanker 5,135 6-58N, 112-02E United States Submarine Sunk
  4   HEIMEI MARU Cargo 4,364 10-10S, 123-35E United States Army Aircraft Sunk
  4   KIYO MARU Tanker 7,251 5-46N, 108-36E United States Submarine Sunk
  4   USA MARU Cargo 3,943 34-09N, 136-50E United States Submarine Sunk
  4   HAKKO MARU Tanker 6,046 7-10N, 108-25E United States Submarine Sunk
  4   TAMON MARU NO 8 Cargo 2,705 11-05N, 109-10E United States Submarine Sunk
  7   KATSURAGISAN MARU Cargo 2,427 7-30N, 151-50E Japan Mine Sunk
  7   FUSHIMI MARU NO 3 Tanker 4,292 9-27N, 117-36E United States Submarine Sunk
  10   YAMABIKO MARU Converted Salvage Vessel 6,795 31-28N, 137-44E United States Submarine Sunk
  10   GETSUYO MARU Cargo 6,440 27-22N, 127-31E United States Submarine Sunk
  10   ASUKA MARU Cargo 7,523 27-35N, 127-30E United States Submarine Sunk
  11   YAHIKO MARU Cargo 5,747 27-10N, 127-28E United States Submarine Sunk
  11   ERIE MARU Cargo 5,493 32-56N, 132-02E United States Submarine Sunk
  12   IKUTA MARU Converted Gunboat 2,969 8-42N, 167-44E United States Navy Land-Based Aircraft Sunk
  12   KANJO MARU Cargo 2,197 22-37N, 120-15E United States Army Mine Sunk

--49--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 12 1944 NIGITSU MARU Transport 9,547 23-15N, 133-49E United States Submarine Sunk
  12   CHOKO MARU Converted Gunboat 2,629 3-30N, 147-27E United States Submarine Sunk
  13   HAGURO MARU Cargo 3,352 2-43S, 149-25E United States Array Aircraft Sunk
  14   GYOEI MARU Cargo 2,790 20-35N, 113-44E United States Army Aircraft Sunk
  14   NIPPON MARU Tanker 9,975 5-02N, 140-43E United States Submarine Sunk
  14   YAMATSURU MARU Cargo 3,651 28-30N, 133-40E United States Submarine Sunk
  14   KENYO MARU Tanker 10,022 5-22N, 141-27E United States Submarine Sunk
  14   YAMAKUNI MARU Passenger-Cargo 6,921 33-16N, 139-30E United States Submarine Sunk
  15   RYUKO MARU Passenger-Cargo 2,962 10-00N, 93-00E Great
Britain
Submarine Sunk
  15   TATSUNO MARU Cargo 6,960 19-45N, 120-40E United States Submarine Sunk
  15   TOHO MARU Cargo 4,092 19-45N, 120-40E United States Submarine Sunk
  16   HARUNA MARU Cargo 1,549 5-00N, 130-00E Japan Marine Casualty Sunk
  16   MEISHO MARU Cargo 2,735 2-20S, 149-42E United States Army Aircraft Navy Land-Based Aircraft Sunk
  16   HOZUGAWA MARU Cargo 1,925 2-20S, 149-42E United States Navy Land-Based Aircraft Sunk
  16   SHUNKO MARU Cargo 4,027 2-30S, 149-42E United States Navy Land-Based Aircraft Sunk
  16   NIKKO MARU Cargo 734 12-49N, 150-19E United States Submarine Sunk
  16   DENMARK MARU Cargo 5,870 23-09N, 135-14E United States Submarine Sunk
  16   DELHI MARU Converted Gunboat 2,182 34-04N, 139-56E United States Submarine Sunk
  16   KAIKA MARU Cargo 2,087 4-03N, 148-41E United States Submarine Sunk
  17   CHIBURI MARU Cargo 1,943 2-27S, 148-58E United States Army Aircraft Sunk
  17   FUKEI MARU NO 9 Cargo 617 2-00S, 149-00E United States Army Aircraft Sunk
  17   HAKKAI MARU Converted Salvage Vessel 5,114 4-13S, 152-12E United States Navy Land-Based Aircraft Sunk
  17   KENSHIN MARU Cargo 3,126 4-13S, 152-12E United States Navy Land-Based Aircraft Sunk
  17   KOSEI MARU Cargo 1,920 4-13S, 152-12E United States Navy Land-Based Aircraft Sunk
  17   LYONS MARU Cargo 7,017 4-13S, 152-12E United States Navy Land-Based Aircraft Sunk
  17   TENSHIN MARU Cargo 1,500 4-13S, 152-12E United States Navy Land-Based Aircraft Sunk
  17   SHOYU MARU Cargo 4,408 00-18N, 118-37E United States Submarine Sunk
  17   TARUSHIMA MARU Cargo 4,865 22-45N, 135-00E United States Submarine Sunk
  18   YOSHIDA MARU Converted Gunboat 2,900 23-50N, 151-28E United States Submarine Sunk
  20   SANYU MARU Cargo 530 13-00N, 121-00E Japan Marine Casualty Sunk
  20   JINTSU MARU Dredge 558 3-04S, 142-10E United States Army Aircraft Sunk
  20   MENADO MARU Cargo 2,166 23-10N, 118-15E United States Army Aircraft Sunk
  20   KUZAN MARU Cargo l,000e 22-10N, 118-15E United States Army Aircraft Sunk
  20   KOYU MARU Cargo 5,325 6-40N, 134-17E United States Submarine Sunk
  20   HIDAKA MARU Cargo 5,486 31-28N, 134-52E United States Submarine Sunk
  21   YASUKUNI MARU Cargo 3,025 3-19N, 137-02E United States Submarine Sunk

--50--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 21 1944 IKOMA MARU Passenger-Cargo 3,156 3-19N, 137-02E United States Submarine Sunk
  22   KOSHIN MARU Passenger-Cargo 5,485 7-22N, 115-05E United States Submarine Sunk
  22   SEINAN MARU Cargo 5,401 7-22N, 115-05E United States Submarine Sunk
  23   SEIKAI MARU Cargo 3,180 12-26N, 98-36E United States Army Aircraft Sunk
  23   PANAMA MARU Cargo 5,287 27-08N, 120-30E China Aircraft Sunk
  23   TAIAN MARU Cargo 3,670 5-45N, 134-45E United States Submarine Sunk
  23   MAGANE MARU Converted Gunboat 3,120 29-49N, 140-07E United States Submarine Sunk
  24   LIU HSING Cargo 1,076 26-58N, 120-04E United States Army Aircraft Sunk
  24   UNKNOWN MARU Cargo 1,000e 26-58N, 120-04E United States Army Aircraft Sunk
  24   UNKNOWN MARU Cargo 1,000e 26-58N, 120-04E United States Army Aircraft Sunk
  24   KOAN MARU Converted Water Carrier 3,462 4-13S, 152-11E United States Navy Carrier-Based Aircraft Sunk
  24   OGASHIMA MARU Cargo 1,424 8-14N, 168-02E United States Navy Land-Based Aircraft Sunk
  24   NARUTO Tanker 6,500 4-13S, 152-11E United States Navy Carrier-Based Aircraft Sunk
  24   TAISHO MARU Cargo 4,815 4-13S, 152-11E United States Navy Carrier-Based Aircraft Sunk
  24   YAMAYURI MARU Cargo 5,028 4-13S, 152-11E United States Navy Carrier-Based Aircraft Sunk
  24   CHOSEN MARU Cargo 3,110 32-25N, 133-00E United States Submarine Sunk
  24   HARAJI MARU Converted Minesweeper 500 21-33N, 112-00E United States Army Aircraft* Probably sunk
  25   NANSHIN MARU Cargo 1,391 35-31N, 133-09E Japan Marine Casualty Sunk
  26   OKITSU MARU Converted Seaplane Tender 6,666 9-22N, 157-26E United States Submarine Sunk
  26   BUSHO MARU Converted Gunboat 2,552 8-27N, 109-12E United States Submarine Sunk
  27   KASAGI MARU Converted Salvage Vessel 3,140 33-31N, 139-36E United States Submarine Sunk
  27   KIKUZUKI MARU Cargo 1,266 22-11N, 119-12E United States Submarine Sunk
  27   KOSEI MARU Cargo 2,205 22-11N, 119-12E United States Submarine Sunk
  28   NEIKAI MARU Cargo 2,827 3-45S, 150-38E United States Army Aircraft Sunk
  28   UJI MARU Converted Net Tender 872 9-20N, 167-28E United States Navy Carrier-Based Aircraft Sunk
  29   SHUNTAI MARU Cargo 2,253 27-22N, 128-29E United States Submarine Sunk
  29   SHUKO MARU Converted Net Tender 889 23-07N, 142-27E United States Submarine Sunk
  30   EIKO MARU Cargo 3,535 9-10N, 167-20E United States Surface Craft Sunk
  30   TOKIHIME MARU Cargo 741 4-10S, 144-51E United States Army Aircraft Sunk
  30   AKIBASAN MARU   Cargo 4,603 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Sunk
  30   IWATE MARU Converted Water Carrier 2,984 4-12S, 152-12E United States Navy Carrier-
Based Aircraft
Sunk
  30   KATSURA MARU Converted Net Tender 540 11-32N, 162-22E United States Navy Carrier-
Based Aircraft Navy Surface Craft
Sunk
* Probable Agent

--51--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 30 1944 PARAN MARU Cargo 562 8-42N, 167-44E United States Navy Carrier-Based Aircraft
Navy Surface Craft
Probably sunk
  30   TOKO MARU Passenger-Cargo 2,747 6-10N, 138-14E United States Submarine Sunk
  30   TAMASHIMA MARU Passenger-Cargo 3,560 21-15N, 149-18E United States Submarine Sunk
  31   YASUKUNI MARU Converted Submarine Tender 11,933 9-21N, 147-02E United States Submarine Sunk
  31   HIRO MARU Converted Net Tender 549 15-23N, 145-35E United States Submarine Sunk
        95 Vessels 355,368        
February 1 1944 TOEI MARU Cargo 4,004 4-21N, 143-16E United States Submarine Sunk
  1   TACOMA MARU Passenger-Cargo 5,772 1-35N, 128-58E United States Submarine Sunk
  1   NANKA MARU Cargo 4,065 1-35N, 128-58E United States Submarine Sunk
  2   TOYO MARU NO 5 Cargo 2,193 33-32N, 135-58E United States Submarine Sunk
  2   TOYO MARU NO 8 Cargo 2,191 33-32N, 135-58E United States Submarine Sunk
  3   NICHIAI MARU Cargo 5,439 3-00S, 150-10E United States Army Aircraft
Navy Land-
Based Aircraft
Sunk
  3   ARIAKE MARU Cargo 5,000 29-11N, 124-45E United States Submarine Sunk
  3   GOYO MARU Tanker 8,496 29-11N, 124-45E United States Submarine Sunk
  4   GORYU MARU Converted Water Carrier 1,912 6-00N, 169-44E United States Navy Land-Based Aircraft Sunk
  5   SEIKYO MARU Passenger-Cargo 2,565 22-00N, 116-00E United States Army Aircraft Sunk
  5   LUSHAN MARU Cargo 2,531 22-00N, 116-00E United States Army Aircraft Sunk
  5   TATSUMI MARU Cargo 850 3-21S, 143-33E United States Army Aircraft Sunk
  5   SUZAN MARU Passenger-Cargo 2,539 22-00N, 116-00E United States Army Aircraft Sunk
  5   TAISHIN MARU Cargo 1,723 13-09N, 120-24E United States Submarine Sunk
  8   LIMA MARU Cargo 6,989 32-18N, 129-20E United States Submarine Sunk
  10   MALTA MARU Passenger-Cargo 5,500 23-12N, 121-30E United States Submarine Sunk
  11   SATSUMA MARU Passenger-Cargo 3,091 28-01N, 121-30E China Aircraft Sunk
  12   CHOKO MARU Converted Net Tender 889 5-45N, 99-50E Great
Britain
Submarine Sunk
  12   RONSAN MARU Passenger-Cargo 2,735 27-43N, 128-35E United States Submarine Sunk
  13   URASHIO MARU Cargo 904 41-26N, 140-06E Japan Marine Casualty Sunk
  13   YOSHINO MARU Cargo 872 3-20S, 143-00E United States Army Aircraft Sunk
  13   SHOKA MARU Cargo 1,381 18-35N, 108-30E United States Army Aircraft Sunk
  14   DOZAN MARU Cargo 1,679 37-19N, 126-29E Japan Marine Casualty Sunk
  14   NITTOKU MARU Cargo 3,591 33-48N, 128-49E United States Submarine Sunk
  14   MINRYO MARU Cargo 2,193 13-44N, 120-40E United States Submarine Sunk
  14   HOKUAN MARU Cargo 3,712 13-40N, 120-27E United States Submarine Sunk
  15   MATSU MARU Converted Net Tender 509 2-36S, 150-36E United States Army Aircraft Sunk
  15   ODATSUKI MARU Cargo 1,988 10-03N, 126-54E United States Submarine Sunk
  15   HOSHI MARU NO 2 Cargo 875 34-23N, 128-12E United States Submarine Sunk
  15   RYOKA MARU Passenger-Cargo 5,307 31-16N, 121-45E United States Army Mine Sunk
  16   SANKO MARU Tanker 5,461 2-24S, 150-06E United States Army Aircraft Sunk
  16   CHOJO MARU Transport 2,610 9-15N, 127-05E United States Submarine Sunk

--52--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 17 1944 KASHI MARU Converted Net Tender 540 2-24S, 150-06E United States Army Aircraft Sunk
  17   AIKOKU MARU Converted Light Cruiser 10,437 7-22N, 151-54E United States Navy Carrier-
Based Aircraft
Sunk
  17   AKAGI MARU Converted Light Cruiser 7,389 7-54N, 151-25E United States Navy Carrier-
Based Aircraft
Sunk
  17   AMAGISAN MARU Passenger-Cargo 7,620 7-18N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   FUJIKAWA MARU Aircraft Ferry 6,938 7-20N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   FUJISAN MARU Tanker 9,524 7-23N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   GOSEI MARU Cargo 1,931 7-18N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   HANAGAWA MARU Tanker 4,739 7-25N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   HEIAN MARU Converted Submarine Tender 11,614 7-23N, 151-51E United States Navy Carrier-
Based Aircraft
Sunk
  17   HOKI MARU Cargo 7,112 7-22N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   HOKUYO MARU Passenger-Cargo 4,216 7-18N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   HOYO MARU Tanker 8,691 7-23N, 151-50E United States Navy Carrier-
Based Aircraft
Sunk
  17   KENSHO MARU Passenger-Cargo 4,862 7-18N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   KIYOSUMI MARU Converted Light Cruiser 8,613 7-23N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   REIYO MARU Cargo 5,445 7-25N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   RIO DE JANEIRO MARU Converted Submarine Tender 9,626 7-20N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   SAN FRANCISCO MARU Passenger-Cargo 5,831 7-22N, 151-54E United States Navy Carrier-
Based Aircraft
Sunk
  17   SANKISAN MARU Cargo 4,776 7-25N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   SEIKO MARU Cargo 5,385 7-22N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   MOMOGAWA MARU Passenger-Cargo 3,829 7-20N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   NAGANO MARU Passenger-Cargo 3,824 7-25N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   NIPPO MARU Converted Water Carrier 3,763 7-18N, 151-53E United States Navy Carrier-
Based Aircraft
Sunk
  17   MATSUTAN MARU Cargo 1,999 7-23N, 151-05E United States Navy Carrier-
Based Aircraft
Sunk

--53--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 17 1944 TONAN MARU NO 3 Tanker 19,209 7-23N, 151-51E United States Navy Carrier-Based Aircraft Sunk
  17   UNKAI MARU NO 6 Cargo 3,220 7-25N, 151-45E United States Navy Carrier-Based Aircraft Sunk
  17   YAMAGIRI MARU Passenger-Cargo 6,438 7-23N, 151-51E United States Navy Carrier-Based Aircraft Sunk
  17   YUBAE MARU Cargo 3,217 7-18N, 151-53E United States Navy Carrier-Based Aircraft Sunk
  17   ZUIKAI MARU Cargo 2,827 7-46N, 150-27E United States Navy Carrier-Based Aircraft Sunk
  17   TATSUHA MARU Passenger-Cargo 5,784 7-46N, 150-27E United States Navy Carrier-Based Aircraft Sunk
  17   SHINKOKU MARU Tanker 10,020 7-20N, 151-40E United States Navy Carrier-Based Aircraft Sunk
  17   TAIHO MARU Cargo 2,829 7-22N, 151-54E United States Navy Carrier-Based Aircraft Sunk
  17   NICHIRO MARU Passenger-Cargo 6,534 8-50N, 135-57E United States Submarine Sunk
  17   GYOTEN MARU Cargo 6,854 8-04N, 149-28E United States Submarine Sunk
  18   GOKENZAN MARU Transport 1,649 44-01N, 141-38E Japan Marine Casualty Sunk
  18   SHINSOKU MARU Cargo 3,202 28-21N, 121-51E United States Army Aircraft Sunk
  19   KOGEN MARU Cargo 2,965 35-00N, 140-00E Japan Marine Casualty Sunk
  19   NISSHIN MARU NO 3   Cargo 2,717 41-42N, 140-32E Japan Marine Casualty Probably sunk
  19   TATSUKIKU MARU Cargo 892 2-50S, 150-42E United States Army Aircraft Sunk
  19   SHINTO MARU NO 1 Cargo 1,934 2-50S, 150-42E United States Army Aircraft Sunk
  19   TAIRYU MARU Cargo 4,994 25-25N, 121-30E United States Army Aircraft Sunk
  19   KOKUEI MARU Tanker 5,154 14-34N, 114-11E United States Submarine Sunk
  19   NANEI MARU Tanker 5,019 14-34N, 114-11E United States Submarine Sunk
  19   NICHIRIN MARU Tanker 5,162 15-45N, 115-39E United States Submarine Sunk
  19   ICHIYO MARU Tanker 5,106 15-40N, 115-48E United States Submarine Sunk
  19   TAIKEI MARU Cargo 4,739 21-48N, 119-50E United States Submarine* Sunk
  19   TOSHIN MARU Cargo 1,917 21-46N, 120-06E United States Submarine* Sunk
  20   TAIJIN MARU Cargo 5,154 24-12N, 123-20E United States Submarine Sunk
  20   MANYO MARU Cargo 3,610 24-28N, 123-31E United States Submarine Sunk
  21   DAIGEN MARU NO 6 Cargo 510 3-15N, 100-40E Great
Britain
Submarine Sunk
  21   KOKAI MARU Cargo 3,871 2-30S, 150-15E United States Army Aircraft Sunk
  21   KOWA MARU Cargo 1,106 2-30S, 150-15E United States Army Aircraft Sunk
  22   KYOSEI MARU Cargo 556 2-00S, 149-50E United States Surface Craft Sunk
  22   TEIKO MARU Transport 15,105 3-03N, 109-16E United States Submarine Sunk
  22   FUKUYAMA MARU Passenger-Cargo 3,581 14-47N, 144-50E United States Submarine Sunk
  22   TAISHO MARU Cargo 4,815 4-10S, 152-18E United States Navy Carrier-Based Aircraft Sunk
  23   GYOKO MARU Passenger-Cargo 5,342 26-13N, 127-40E Japan Marine Casualty Sunk
* Probable Agent

--54--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 23 1944 SEIZAN MARU Passenger-Cargo 4,232 15-00N, 145-30E United States Navy Carrier-
Based Aircraft
Sunk
  23   KIMISHIMA MARU Cargo 5,193 30-30N, 140-20E United States Submarine Sunk
  23   HOREI MARU Cargo 5,588 26-22N, 126-15E United States Submarine Sunk
  23   KOYO MARU Passenger-Cargo 5,471 28-58N, 141-15E United States Submarine Sunk
  23   SHINYUBARI MARU Cargo 5,354 15-17N, 145-03E United States Submarine Sunk
  23   KUNISHIMA MARU Cargo 4,083 15-23N, 145-02E United States Submarine Sunk
  23   YAMASHIMO MARU Cargo 6,776 14-45N, 144-32E United States Submarine Sunk
  23   OGURA MARU NO 3 Tanker 7,350 3-53N, 129-17E United States Submarine Sunk
  23   NIKKI MARU Passenger-Cargo 5,857 00-07N, 135-42E United States Submarine Sunk
  24   SHUNSAN MARU NO 2 Cargo 608 5-20N, 162-58E United States Navy Land-Based Aircraft Sunk
  24   NAMPO MARU Tanker 10,033 24-20N, 122-25E United States Submarine Sunk
  24   ECHIZEN MARU Cargo 2,424 15-16N, 143-12E United States Submarine Sunk
  25   TANGO MARU Cargo 6,200 7-46S, 115-09E United States Submarine Sunk
  25   RYUSEI MARU Passenger-Cargo 4,797 7-56S, 115-14E United States Submarine Sunk
  25   CHOKO MARU Cargo 1,794 15-50N, 144-21E United States Submarine Sunk
  25   NISSHO MARU Tanker 10,526 5-55N, 126-05E United States Submarine Sunk
  26   DAIGEN MARU NO 3 Passenger-Cargo 5,256 00-55S, 139-02E United States Submarine Sunk
  27   TAISOKU MARU Cargo 2,473 1-48N, 127-32E United States Submarine Sunk
  27   CEYLON MARU Cargo 4,905 31-50N, 127-45E United States Submarine* Sunk
  28   AKIURA MARU Passenger-Cargo 6,803 00-06N, 132-53E United States Submarine Sunk
  28   KAIKO MARU Cargo 3,548 50-02N, 155-30E United States Submarine Sunk
  28   SHOHO MARU Cargo 2,723 00-06N, 132-53E United States Submarine Sunk
  29   UCHIDE MARU Passenger-Cargo 5,275 8-57N, 132-52E United States Submarine Sunk
  29   SAKITO MARU Passenger-Cargo 7,126 22-40N, 131-50E United States Submarine Sunk
        112 Vessels 518,697        
March    2 1944 TENYO MARU NO 2 Cargo 657 50-12N, 155-45E Japan Marine Casualty Sunk
  2   SHINKYO MARU Converted Gunboat 2,672 6-25N, 148-31E United States Submarine Sunk
  3   NITTAI MARU Cargo 6,484 3-17N, 123-55E United States Submarine Sunk
  3   AKASHISAN MARU Cargo 4,541 45-52N, 149-16E United States Submarine Sunk
  4   ISEZAKI MARU Cargo 875 37-57N, 124-37E Japan Marine Casualty Sunk
  4   KAYO MARU Passenger-Cargo 4,368 1-28S, 138-40E United States Submarine Sunk
  4   OMINESAN MARU Tanker 10,536 5-32N, 109-09E United States Submarine Sunk
  6   AMERICA MARU Transport 6,070 21-50N, 143-54E United States Submarine Sunk
  8   SHOBU MARU Cargo 1,950 3-38N, 99-12E Great
Britain
Submarine Sunk
  8   JUYO MARU Cargo 5,457 13-10N, 100-50E United States Army Mine Sunk
  8   TOYOKUNI MARU Cargo 5,792 19-23N, 116-13E United States Submarine Sunk
  9   NICHIREI MARU Cargo 5,396 19-47N, 116-13E United States Submarine Sunk
  10   HASSHU MARU Cargo 2,655 2-33S, 140-43E United States Navy Land-
Based Aircraft
Sunk
* Probable Agent

--55--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March    10 1944 TSUKIKAWA MARU Cargo 4,470 1-30S, 128-17E United States Submarine Sunk
  11   DAITOKU MARU Cargo 1,134 40-10N, 137-41E Japan Marine Casualty Sunk
  12   SHINYO MARU Cargo 700 42-00N, 142-00E Japan Marine Casualty Sunk
  12   OKINOYAMA MARU NO 3 Cargo 871 00-25S, 132-55E United States Submarine Sunk
  12   TAIJIN MARU Cargo 1,937 25-53N, 131-19E United States Submarine Sunk
  13   KOKUYO MARU Cargo 4,667 32-58N, 138-52E United States Submarine Sunk
  13   RYUA MARU Cargo 1,925 47-41N, 152-41E United States Submarine Sunk
  13   SHOJIN MARU Cargo 1,942 47-41N, 152-41E United States Submarine Sunk
  14   FUKI MARU Cargo 2,453 37-29N, 141-35E Japan Marine Casualty Sunk
  16   KOFUKU MARU Cargo 1,920 4-28N, 136-56E United States Submarine Sunk
  16   NICHIREN MARU Passenger-Cargo 5,460 42-25N, 144-55E United States Submarine Sunk
  16   ANZAN MARU Passenger-Cargo 5,493 27-41N, 128-41E United States Submarine Sunk
  18   HOKUROKU MARU Passenger-Cargo 8,359 19-22N, 116-52E United States Submarine Sunk
  19   YAKUMO MARU Cargo 3,198 2-55S, 143-40E United States Army Aircraft Sunk
  19   TAIEI MARU Cargo 3,221 2-55S, 143-40E United States Army Aircraft Sunk
  20   YAMABISHI MARU NO 2 Cargo 880 35-30N, 140-44E Japan Marine Casualty Sunk
  20   HAKUYO MARU Cargo 1,327 30-53N, 140-42E United States Submarine Sunk
  20   HOKO MARU Cargo 1,504 10-06N, 138-10E United States Submarine Sunk
  21   BRAKE Tanker 9,925 Indian Ocean Unknown Unknown Sunk
  23   HOKKO MARU Cargo 4,470 35-42N, 140-53E Japan Marine Casualty Sunk
  24   SHINKYO MARU Cargo 5,139 5-27N, 125-38E United States Submarine Sunk
  24   BENGAL MARU Cargo 5,399 5-27N, 125-38E United States Submarine Sunk
  25   KAIRYU MARU Cargo 4,373 33-48N, 130-16E Japan Marine Casualty Sunk
  27   SHINSEI MARU Cargo 575 7-44S, 130-02E Australia Aircraft Sunk
  27   NICHINAN MARU Cargo 2,750 7-31S, 115-57E United States Submarine Sunk
  27   YAMAMIZU MARU Tanker 5,174 3-52S, 109-40E United States Submarine Sunk
  28   YASUSHIMA MARU Cargo 1,911 3-38N, 100-50E Great
Britain
Submarine Sunk
  28   FUKUSEI MARU Cargo 2,219 24-25N, 131-11E United States Submarine Sunk
  30   MATSUEI MARU Cargo 1,877 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   URAKAMI MARU Converted Submarine Tender 4,317 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   TESHIO MARU Cargo 2,840 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   SHINSEI MARU NO 18 Cargo 2,711 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   UNYU MARU NO 2 Tanker 634 7-30N, 134-35E United States Navy Carrier-
Based Aircraft
Sunk
  30   SHOSEI MARU Converted Net Tender 773 7-50S, 134-30E United States Navy Land-
Based Aircraft
Sunk
  30   AKEBONO MARU Tanker 10,182 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   AMATSU MARU Tanker 10,567 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk

--56--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March    30 1944 ASASHIO MARU Tanker 5,111 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   CHUYO MARU Cargo 1,900 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   GOSHU MARU Aircraft Ferry 8,592 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   GOZAN MARU Cargo 3,213 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   HOKUTAI MARU Cargo 5,220 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   IRO Tanker 6,500 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   KAMIKAZE MARU Motor Torpedo Boat Tender 4,916 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   KIBI MARU Cargo 2,961 7-19N, 134-28E United States Navy Carrier-
Based Aircraft
Sunk
  30   KIBI MARU Cargo 2,759 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   NISSHO MARU NO 5   Converted Net Tender 783 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   OSE Tanker 7,987 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   RAIZAN MARU Cargo 2,813 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   RYUKO MARU Passenger-Cargo 2,764 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   SATA Tanker 6,500 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   NAGISAN MARU Passenger-Cargo 4,391 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   ATLANTIC MARU Cargo 5,873 12-15N, 145-42E United States Submarine Sunk
  30   IKUSHIMA MARU Cargo 3,943 20-42N, 143-00E United States Submarine Sunk
  30   FUJIKAWA MARU Cargo 2,829 1-56N, 133-00E United States Submarine Sunk
        67 Vessels 263,805        
April           1 1944 MINAMI MARU Cargo 2,398 25-56N, 131-18E United States Submarine Sunk
  3   TOSEI MARU Passenger-Cargo 2,814 30-00N, 139-44E United States Submarine Sunk
  5   TENRYU MARU Cargo 554 3-35S, 143-38E United States Army Aircraft Sunk
  8   ARATAMA MARU Converted Submarine Tender 6,784 13-16N, 144-45E United States Submarine Sunk
  8   KIZUGAWA MARU Cargo 1,915 13-16N, 144-45E United States Submarine Sunk
  9   HOKUREI MARU Cargo 515 19-00N, 110-00E United States Army Aircraft Sunk
  9   BISAKU MARU Cargo 4,467 15-22N, 145-06E United States Submarine Sunk
  9   HONAN MARU Cargo 5,401 33-50N, 128-01E United States Submarine Sunk

--57--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
April           12 1944 NARITA MARU Cargo 1,915 2-30S, 140-52E United States Army Aircraft Sunk
  12   TAICHU MARU Passenger-Cargo 3,213 28-07N, 129-01E United States Submarine Sunk
  15   SHINYU MARU Passenger-Cargo 4,621 6-41N, 123-40E United States Submarine Sunk
  15   SUMIDA MARU Cargo 2,022 42-02N, 142-22E Japan Mine* Sunk
  16   YAMAGATA MARU Passenger-Cargo 3,807 7-04N, 123-27E United States Submarine Sunk
  16   MITO MARU Passenger-Cargo 7,061 2-02S, 127-20E United States Submarine Sunk
  16   HINO MARU NO 1 Cargo 2,671 2-02S, 127-20E United States Submarine Sunk
  17   MIKAGE MARU NO 2 Cargo 617 2-41S, 141-18E United States Army Aircraft Sunk
  17   MATSUE MARU Cargo 7,061 9-22N, 142-18E United States Submarine Sunk
  19   KUNITSU MARU Cargo 2,724 5-54N, 95-20E United States Great
Britain
Navy Carrier-
Based Aircraft
Aircraft
Sunk
  19   HARUNO MARU Cargo 776 5-54N, 95-20E United States

Great
Britain
Navy Carrier-
Based Aircraft
Aircraft
Sunk
  20   KENRI MARU Cargo 2,913 34-48N, 125-32E Japan Marine Casualty Probably sunk
  20   IWAKUNI MARU Cargo 619 2-10S, 139-50E United States Army Aircraft Sunk
  22   KORYU MARU Cargo 6,680 10-19N, 107-05E United States Army Aircraft Sunk
  22   NAGATA MARU Converted Gunboat 2,969 10-19N, 107-05E United States Army Aircraft Sunk
  22   LONDON MARU Cargo 7,190 10-19N, 107-05E United States Army Aircraft Sunk
  22   YAMAMIZU MARU NO 3 Tanker 5,244 10-19N, 107-05E United States Army Aircraft Sunk
  23   DAIJU MARU Cargo 1,279 33-35N, 135-45E United States Submarine Sunk
  25   KASHIWA MARU Converted Net Tender 976 7-09N, 116-48E United States Submarine Sunk
  26   WAZAN MARU Cargo 4,851 33-30N, 135-27E United States Submarine Sunk
  26   NOSHIRO MARU Cargo 2,333 28-37N, 141-00E United States Submarine Sunk
  26   TOKIWA MARU Passenger-Cargo 806 6-12N, 125-47E United States Submarine Sunk
  26   YOSHIDA MARU NO 1 Passenger-Cargo 5,425 18-06N, 119-47E United States Submarine Sunk
  27   AKIGAWA MARU Cargo 5,244 14-50N, 142-23E United States Submarine Sunk
  27   MIIKE MARU Passenger-Cargo 11,739 8-20N, 134-53E United States Submarine Sunk
  27   GENBU MARU Passenger-Cargo 1,872 27-20N, 128-15E United States Submarine Sunk
  29   SONG GIANG MARU Cargo 1,065 13-02N, 109-28E United States Submarine Sunk
  29   TAKEGAWA MARU Cargo 1,930 19-26N, 118-45E United States Submarine Sunk
  30   HINO MARU NO 2 Converted Gunboat 998 7-22N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  30   NITTATSU MARU Cargo 2,859 19-11N, 119-10E United States Submarine Sunk
        38 Vessels 128,328        
May         1 1944 ASOSAN MARU Cargo 8,812 7-07N, 129-56E United States Submarine Sunk
  2   RYOYO MARU Passenger-Cargo 5,973 48-04N, 153-16E United States Submarine Sunk
  3   AMAGI MARU Passenger-Cargo 3,165 11-00N, 92-00E Great
Britain
Submarine Sunk
  3   SHINGU MARU Cargo 2,745 22-05N, 117-50E United States Army Aircraft Sunk
  3   KENAN MARU Cargo 3,129 15-29N, 145-42E United States Submarine Sunk
* Probable Agent

--58--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         3 1944 FUSHIMI MARU Passenger-Cargo 4,935 45-28N, 149-56E United States Submarine Sunk
  3   TEISEN MARU Cargo 5,050 12-54N, 114-07E United States Submarine Sunk
  4   TOYOHI MARU Cargo 6,436 20-51N, 118-02E United States Submarine Sunk
  4   SHORYU MARU Cargo 6,475 20-48N, 118-03E United States Submarine Sunk
  4   EIRYU MARU Converted Net Tender 758 7-04N, 129-18E United States Submarine Sunk
  4   TAIBU MARU Cargo 6,440 20-54N, 118-14E United States Submarine* Sunk
  4   TAIYOKU MARU Cargo 5,244 20-48N, 118-03E United States Submarine* Sunk
  4   KINREI MARU Cargo 5,947 20-58N, 117-59E United States Submarine* Sunk
  5   SHIRANE MARU Cargo 2,825 33-31N, 135-28E United States Submarine Sunk
  6   TOYOURA MARU Cargo 2,510 32-16N, 127-08E United States Submarine Sunk
  6   NISSHIN MARU Tanker 16,801 7-17N, 116-51E United States Submarine Sunk
  6   TENSHINZAN MARU Cargo 6,886 2-42N, 124-10E United States Submarine Sunk
  6   TAIJIMA MARU Passenger-Cargo 6,995 2-42N, 124-10E United States Submarine Sunk
  6   ADEN MARU Passenger-Cargo 5,824 2-42N, 124-10E United States Submarine Sunk
  7   ROSSBACH Tanker 5,894 33-14N, 134-40E United States Submarine Sunk
  8   MIYAZAKI MARU Passenger-Cargo 3,944 41-49N, 141-12E United States Submarine Sunk
  10   OKINAWA MARU Cargo 2,254 11-26N, 143-46E United States Submarine Sunk
  10   MIKAGE MARU NO 18 Passenger-Cargo 4,319 11-26N, 143-46E United States Submarine Sunk
  10   CHOAN MARU NO 2 Converted Gunboat 2,631 11-26N, 143-46E United States Submarine Sunk
  10   SHOHEI MARU Cargo 7,256 15-38N, 119-25E United States Submarine Sunk
  11   CHOI MARU Cargo 1,074 3-30S, 126-06E United States Submarine Sunk
  11   MITAKESAN MARU Passenger-Cargo 4,441 14-58N, 145-26E United States Submarine Sunk
  11   SEIRYU MARU Cargo 1,904 29-30N, 141-40E United States Submarine Sunk
  12   BANEI MARU NO 2 Cargo 1,186 40-01N, 141-58E United States Submarine Sunk
  12   KASUMI MARU Cargo 1,400 5-00N, 100-00E Japan Mine Sunk
  13   ANBO MARU Cargo 4,523 34-31N, 138-33E United States Submarine Sunk
  14   KOHO MARU Cargo 4,291 13-42N, 144-43E United States Submarine Sunk
  14   BISAN MARU Cargo 4,500 9-00N, 133-34E United States Submarine Sunk
  15   JOKUJA MARU Cargo 6,440 10-10N, 131-25E United States Submarine Sunk
  17   SHINREI MARU Cargo 987 5-00S, 110-00E Great
Britain
Navy Aircraft Sunk
  17   TAIKOKU MARU Cargo 2,633 14-57N, 144-47E United States Submarine Sunk
  17   FUKKO MARU Passenger-Cargo 3,834 14-55N, 142-30E United States Submarine Sunk
  17   NICHIWA MARU Cargo 4,955 14-45N, 142-40E United States Submarine Sunk
  18   SHINRYU MARU Cargo 3,181 7-36S, 113-12E United States Submarine Sunk
  20   JINJU MARU Cargo 3,192 21-05N, 117-00E United States Army Aircraft Sunk
  20   SHOSEI MARU Converted Gunboat 998 13-32N, 144-36E United States Submarine Sunk
  20   MIYAURA MARU Cargo 1,856 2-14N, 128-00E United States Submarine Sunk
  20   OTORI MARU Cargo 2,105 5-40S, 105-27E United States Submarine Sunk
  22   KOSHO MARU Cargo 1,365 4-55N, 100-21E Great
Britain
Submarine Sunk
  22   TENPEI MARU Passenger-Cargo 6,094 5-43N, 127-37E United States Submarine Sunk
  22   TSUKUBA MARU Cargo 3,172 21-20N, 117-10E United States Army Aircraft Submarine Sunk
  23   TAIJUN MARU Cargo 2,825 2-38N, 128-08E United States Submarine Sunk
  24   TACHI MARU Passenger-Cargo 1,891 30-00N, 116-48E Japan Marine Casualty Sunk
* Probable Agent

--59--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         24 1944 TATEKAWA MARU Tanker 10,090 5-45N, 125-45E United States Submarine Sunk
  24   WALES MARU Passenger-Cargo 6,586 7-16N, 109-04E United States Submarine Sunk
  24   BIZEN MARU Cargo 4,667 7-25N, 108-43E United States Submarine Sunk
  25   TAITO MARU Passenger-Cargo 4,466 11-30N, 134-55E United States Submarine Sunk
  25   OSAKA MARU Passenger-Cargo 3,740 11-30N, 134-55E United States Submarine Sunk
  26   CHIYO MARU Cargo 657 20-30N, 141-45E United States Submarine Sunk
  26   SANYO MARU Converted Seaplane Tender 8,360 2-48N, 124-19E United States Submarine Sunk
  26   AKISHIMA MARU Cargo 1,993 33-48N, 131-33E United States Army Mine Sunk
  29   ANSHU MARU Converted Gunboat 2,601 3-40S, 126-58E United States Submarine Sunk
  29   SHOKEN MARU Cargo 1,949 16-23N, 144-59E United States Submarine Sunk
  29   HORAIZAN MARU Cargo 1,999 16-23N, 144-59E United States Submarine Sunk
  30   SHIGA MARU Cargo 742 33-15N, 134-11E United States Submarine Sunk
  30   SHISEN MARU Cargo 2,201 24-30N, 122-30E United States Submarine Sunk
  31   HOKUYO MARU Cargo 1,590 48-00N, 153-00E United States Submarine Sunk
  31   KOTO MARU Cargo 1,053 47-52N, 151-02E United States Submarine Sunk
  31   MADRAS MARU Passenger-Cargo 3,802 48-21N, 151-19E United States Submarine Sunk
        64 Vessels 258,591        
June         1 1944 TOHO MARU Cargo 4,716 18-13N, 141-19E United States Submarine Sunk
  1   IWAKI MARU Cargo 3,124 48-00N, 153-00E United States Submarine Sunk
  1   HIBURI MARU Passenger-Cargo 4,365 48-00N, 153-00E United States Submarine Sunk
  2   CHIYO MARU Cargo 4,700 20-53N, 140-17E United States Submarine Sunk
  4   KATSUKAWA MARU Cargo 6,886 19-35N, 138-43E United States Submarine Sunk
  4   HAKUSAN MARU Transport 10,380 22-55N, 136-44E United States Submarine Sunk
  5   ASHIZURI Tanker 2,166e 6-32N, 120-40E United States Submarine Sunk
  5   TAKASAKI Tanker 2,500e 6-32N, 120-40E United States Submarine Sunk
  5   TAMAHIME MARU Cargo 3,080 17-37N, 140-32E United States Submarine Sunk
  5   TAKAOKA MARU Passenger-Cargo 7,006 17-37N, 140-32E United States Submarine Sunk
  6   KASHIMASAN MARU Cargo 2,825 16-41N, 142-43E United States Submarine Sunk
  6   HAVRE MARU Cargo 5,652 16-41N, 142-43E United States Submarine Sunk
  8   SHIOYA Tanker 4,000e 3-04N, 124-03E United States Submarine Sunk
  10   HIYOSHI MARU Cargo 535 3-05N, 99-56E Great
Britain
Submarine Sunk
  10   KINMON MARU Cargo 2,676 1-17S, 103-51E Japan Marine Casualty Sunk
  11   ASANAGI MARU Tanker 5,142 6-20N, 120-47E United States Submarine Sunk
  11   TOTEN MARU Cargo 3,823 46-58N, 143-50E United States Submarine Sunk
  11   CHIHAYA MARU Cargo 1,161 46-58N, 143-50E United States Submarine Sunk
  12   KAINAN MARU Cargo 1,133 7-54N, 98-27E Great
Britain
Submarine Sunk
  12   KEIYO MARU Passenger-Cargo 6,442 15-14N, 145-44E United States Navy Carrier-
Based Aircraft Surface Craft
Sunk
  12   BATAVIA MARU Passenger-Cargo 4,392 17-32N, 143-17E United States Navy Carrier-
Based Aircraft
Sunk
  12   FUKOKU MARU Cargo 2,851 17-30N, 144-00E United States Navy Carrier-
Based Aircraft
Sunk

--60--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June         12 1944 HINKO MARU Cargo 5,418 17-28N, 144-19E United States Navy Carrier-Based Aircraft Sunk
  12   IMIZU MARU Passenger-Cargo 2,924 17-30N, 144-00E United States Navy Carrier-Based Aircraft Sunk
  12   KOKKO MARU Converted Net Tender 716 17-32N, 144-01E United States Navy Carrier-Based Aircraft Sunk
  12   NITCHO MARU Cargo 1,900e 17-31N, 143-10E United States Navy Carrier-Based Aircraft Sunk
  12   REIKAI MARU Cargo 2,750 17-30N, 144-00E United States Navy Carrier-Based Aircraft Sunk
  12   MOJI MARU Passenger-Cargo 3,831 17-31N, 144-10E United States Navy Carrier-Based Aircraft Sunk
  12   MUTSUYO MARU Cargo 2,726 15-14N, 145-44E United States Navy Carrier-Based Aircraft Sunk
  12   TENRYUGAWA MARU Cargo 3,883 17-30N, 144-00E United States Navy Carrier-Based Aircraft Sunk
  12   SHINTO MARU Cargo 2,245 17-28N, 144-19E United States Navy Carrier-Based Aircraft Sunk
  13   TAKASHIMA MARU Passenger-Cargo 5,633 50-47N, 151-20E United States Submarine Sunk
  14   KOAN MARU Cargo 3,183 4-31N, 122-25E United States Submarine Sunk
  15   KOA MARU NO 2 GO Cargo 572 15-10N, 145-58E United States Navy Carrier-Based Aircraft Probably sunk
  15   KANZAKI MARU Cargo 1,285 36-01N, 129-41E Japan Marine Casualty Sunk
  15   TATSUTAGAWA MARU Cargo 1,923 25-02N, 144-37E United States Navy Carrier-Based Aircraft
Surface Craft
Sunk
  15   KANSEISHI MARU Cargo 4,804 29-30N, 141-11E United States Submarine Sunk
  16   HINODE MARU Cargo 1,916 1-01N, 127-49E United States Army Aircraft Sunk
  16   SHOFUKU MARU Cargo 839 00-53S, 131-15E United States Army Aircraft Sunk
  16   YUKI MARU Cargo 5,704 2-19N, 128-40E United States Submarine Sunk
  16   NANSHIN MARU Passenger-Cargo 1,422 2-28N, 118-09E United States Submarine Sunk
  17   MINYU MARU Cargo 529 00-54S, 131-15E United States Army Aircraft Sunk
  17   NIPPONKAI MARU Motor Torpedo Boat Tender 2,681 6-58N, 127-52E United States Submarine Sunk
  17   KINSHU MARU Cargo 5,591 6-17N, 126-17E United States Submarine Sunk
  18   EIKO MARU Cargo 3,011 5-59N, 99-10E Great
Britain
Submarine Sunk
  20   GENYO MARU Tanker 10,018 15-30N, 133-55E United States Navy Carrier-Based Aircraft Sunk
  20   SEIYO MARU Tanker 10,536 15-30N, 133-55E United States Navy Carrier-Based Aircraft Sunk
  20   HIBI MARU Passenger-Cargo 5,874 5-35N, 125-15E United States Submarine Sunk
  21   KANAN MARU Cargo 3,312 4-04S, 116-45E United States Submarine Sunk
  22   NAGARAGAWA MARU Passenger-Cargo 990 34-35N, 137-56E United States Submarine Sunk
  23   SHOUN MARU Passenger-Cargo 4,396 14-10N, 145-10E United States Navy Carrier-
Based Aircraft
Sunk
  24   ASO MARU Passenger-Cargo 3,028 9-57N, 125-07E United States Submarine Sunk

--61--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June         24 1944 KUMANOYAMA MARU Cargo 2,857 34-36N,
139-32E
United
States
Submarine Sunk
  24   TAMAHOKO MARU Passenger-Cargo 6,780 32-30N,
129-35E
United
States
Submarine Sunk
  24   TAINAN MARU Cargo 3,175 32-30N,
129-35E
United
States
Submarine Sunk
  24   NASUSAN MARU Passenger-Cargo 4,399 32-30N,
129-35E
United
States
Submarine Sunk
  24   KENNICHI MARU Cargo 1,938 32-30N,
129-35E
United
States
Submarine* Sunk
  25   YAMAMIYA MARU Cargo 6,440 3-36N,
127-14E
United
States
Submarine Sunk
  25   SAN PEDRO MARU Tanker 7,268 16-07N,
119-44E
United
States
Submarine Sunk
  26   HARUKIKU MARU Passenger-Cargo 3,040 3-15N,
99-46E
Great
Britain
Submarine Sunk
  27   MEDAN MARU Tanker 5,135 21-21N,
120-18E
United
States
Submarine Sunk
  28   USSURI MARU Passenger-Cargo 6,386 23-14N,
119-49E
United
States
Army Aircraft Sunk
  28   SANSEI MARU Cargo 2,386 34-03N,
129-00E
United
States
Submarine Sunk
  28   YAMAGIKU MARU Cargo 5,236 6-50N,
122-41E
United
States
Submarine Sunk
  29   KATORI MARU Cargo 1,920 19-09N,
120-27E
United
States
Submarine Sunk
  29   TOYAMA MARU Passenger-Cargo 7,089 27-41N,
129-09E
United
States
Submarine Sunk
  29   NIPPO MARU Cargo 6,079 00-43N,
105-31E
United
States
Submarine Sunk
  30   HYAKUFUKU MARU Converted Gunboat 986 28-22N,
141-17E
United
States
Submarine Sunk
  30   NIKKIN MARU Cargo 5,705 35-03N,
125-08E
United
States
Submarine Sunk
  30   TSURUSHIMA MARU Cargo 4,645 14-25N,
119-47E
United
States
Submarine Sunk
  30   MATSUKAWA MARU Cargo 3,825 14-25N,
119-47E
United
States
Submarine Sunk
        71 Vessels 278,484        
July      1 1944 TAIUN MARU NO 2 Cargo 998 34-33N,
125-12E
United
States
Submarine Sunk
  1   TAKATORI MARU NO 1 Tanker 878 34-27N,
123-46E
United
States
Submarine Sunk
  1   NIKKO MARU Cargo 3,098 5-39S,
119-28E
United
States
Navy Mine Sunk
  3   NITTO MARU Cargo 2,186 19-28N,
115-41E
United
States
Submarine Sunk
  3   GYOYU MARU Passenger-Cargo 2,232 19-28N,
115-41E
United
States
Submarine Sunk
  3   KONSAN MARU Passenger-Cargo 2,733 32-24N,
128-46E
United
States
Submarine Sunk
  3   KAMO MARU Passenger-Cargo 7,954 32-24N,
128-46E
United
States
Submarine Sunk
  3   TAIRIN MARU Cargo 6,862 38-52N,
129-56E
United
States
Submarine Sunk
  4   RYUKO MARU Cargo 5,626 27-05N,
142-09E
United
States
Navy Carrier-
Based Aircraft
Sunk
  4   UNYO MARU NO 8 Cargo 1,942 27-05N,
142-09E
United
States
Navy Carrier-
Based Aircraft
Sunk
  4   SHIMA MARU Cargo 1,987 27-07N,
142-12E
United
States
Navy Carrier-
Based Aircraft
Sunk
  4   SHINMEI MARU Cargo 1,942 27-07N,
142-12E
United
States
Navy Carrier-
Based Aircraft
Sunk
  4   SHOZUI MARU Cargo 2,719 27-07N,
142-12E
United
States
Navy Carrier-
Based Aircraft
Sunk
* Probable Agent

--62--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July      4 1944 TAIKO MARU Cargo 897 27-05N, 142-09E United States Navy Carrier-Based Aircraft Sunk
  4   KYODO MARU NO 28 Cargo 1,506 20-20N, 114-54E United States Submarine Sunk
  4   TAMA MARU Passenger-Cargo 3,052 7-33N, 133-45E United States Submarine Sunk
  4   ASUKAZAN MARU Cargo 6,886 35-22N, 125-56E United States Submarine Sunk
  4   YAMAOKA MARU Cargo 6,932 36-05N, 125-48E United States Submarine Sunk
  5   KOGI MARU Converted Net Tender 857 27-43N, 141-02E United States Submarine Sunk
  5   SHINMEI MARU Passenger-Cargo 2,577 51-35N, 156-30E United States Submarine Sunk
  6   SETSUZAN MARU Cargo 1,922 29-59N, 122-53E United States Submarine Sunk
  6   DORI MARU Cargo 1,469 38-40N, 123-40E United States Submarine Sunk
  7   KOTO MARU Cargo 3,557 13-02N, 109-26E United States Submarine Sunk
  8   MATSU MARU Cargo 887 40-56N, 141-27E United States Submarine Sunk
  9   OYASHIMA MARU Cargo 853 00-34N, 128-30E United States Army Aircraft Sunk
  9   TAIHEI MARU Cargo 6,284 51-17N, 155-34E United States Submarine Sunk
  10   IYANG MARU Cargo 943 31-00N, 122-30E United States Army Mine Sunk
  11   TSUKUSHI MARU NO 2    Cargo 2,417 37-24N, 124-31E United States Submarine Sunk
  11   TAIAN MARU NO 2 Cargo 1,034 37-30N, 124-32E United States Submarine Sunk
  12   NICHIRAN MARU Passenger-Cargo 6,504 18-33N, 122-53E United States Submarine Sunk
  13   SANNAN MARU NO 2 Cargo 881 37-37N, 125-14E Japan Marine Casualty Probably sunk
  13   TOKAI MARU Cargo 519 1-32N, 127-32E United States Army Aircraft Sunk
  13   TAISHI MARU Cargo 2,800 27-23N, 140-33E United States Submarine Sunk
  14   TAIKO MARU Converted Gunboat 2,984 6-00S, 121-30E United States Submarine Sunk
  15   MIHO MARU Cargo 515 48-07N, 148-06E United States Submarine Sunk
  16   HOZAN MARU Cargo 2,893 14-36N, 120-57E Japan Marine Casualty Sunk
  16   NIPPO MARU Cargo 1,942 48-12N, 148-03E United States Submarine Sunk
  16   SEATTLE MARU Passenger-Cargo 5,773 19-26N, 120-18E United States Submarine* Sunk
  16   JINZAN MARU Passenger-Cargo 5,215 18-20N, 119-42E United States Submarine* Sunk
  16   MANTAI MARU Cargo 5,863 18-20N, 119-42E United States Submarine* Sunk
  17   MAYA MARU Passenger-Cargo 3,145 7-40N, 122-03E United States Submarine Sunk
  17   HIYAMA MARU Cargo 2,838 18-17N, 119-50E United States Submarine* Sunk
  17   SAINEI MARU Cargo 4,916 19-04N, 119-26E United States Submarine* Sunk
  17   SHOZAN MARU Cargo 2,838 19-04N, 119-26E United States Submarine* Sunk
  18   JANBI MARU Tanker 5,244 5-21S, 112-30E United States Submarine Sunk
  18   UNKAI MARU NO 10 Converted Gunboat 855 29-12N, 139-10E United States Submarine Sunk
  18   NISSHU MARU Cargo 7,785 28-43N, 139-24E United States Submarine Sunk
  18   KYODO MARU NO 36 Passenger-Cargo 1,499 8-22N, 116-40E United States Submarine Sunk
  19   TEIRYU MARU Cargo 6,550 20-07N, 118-20E United States Submarine Sunk
  23   KISO MARU Cargo 554 14-00N, 86-50E Great
Britain
Submarine Sunk
  23   TAKASAN MARU Cargo 1,428 4-35S, 122-17E Australia Mine Sunk
  24   ASAHISAN MARU Passenger-Cargo 4,550 1-10N, 127-54E United States Army Aircraft Sunk
  25   HOSHIN MARU Cargo 1,000 22-50N, 116-00E United States Army Aircraft Sunk
  26   AKI MARU Passenger-Cargo 11,409 18-28N, 117-59E United States Submarine Sunk
  26   OTORIYAMA MARU Tanker 5,280 18-10N, 117-56E United States Submarine Sunk
  26   TOSAN MARU Passenger-Cargo 8,666 18-13N, 117-50E United States Submarine Sunk
* Probable Agent

--63--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July      27 1944 KYOEI MARU NO 2 Tanker 1,157 5-25N, 121-43E United States Submarine Sunk
  28   HAKUBASAN MARU Passenger-Cargo 6,650 16-18N, 119-44E United States Submarine Sunk
  28   PEKING MARU Transport 2,288 17-33N, 120-21E United States Submarine Sunk
  30   KOKUYO MARU Tanker 10,026 6-03N, 119-54E United States Submarine Sunk
  31   KOEI MARU Tanker 10,238 19-10N, 120-58E United States Submarine Sunk
  31   MANKO MARU Passenger-Cargo 4,471 19-10N, 120-58E United States Submarine Sunk
  31   DAKAR MARU Cargo 7,169 18-57N, 120-50E United States Submarine Sunk
  31   FUSO MARU Transport 8,195 18-57N, 120-50E United States Submarine Sunk
  31   TENSHIN MARU Tanker 5,061 8-22N, 116-40E United States Submarine Sunk
  31   YOSHINO MARU Transport 8,990 19-10N, 120-58E United States Submarine Sunk
        66 Vessels 251,921        
August 1 1944 SEIA MARU Passenger-Cargo 6,659 1-46S, 125-32E United States Navy Land-
Based Aircraft
Sunk
  2   KONEI MARU Cargo 1,922 33-57N, 136-20E United States Submarine Sunk
  3   SEIKO MARU Converted Net Tender 708 1-45S, 126-14E United States Submarine Sunk
  4   TONEGAWA MARU Cargo 4,996 27-40N, 141-48E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  4   ENJU MARU Passenger-Cargo 5,374 27-40N, 141-48E United States Navy Carrier-
Based Aircraft
Sunk
  4   UNKAI MARU NO 7 Cargo 2,182 27-40N, 141-48E United States Navy Carrier-
Based Aircraft
Sunk
  4   SHOGEN MARU Cargo 4,739 27-40N, 141-48E United States Navy Carrier-
Based Aircraft
Sunk
  4   KOSHU MARU Cargo 2,612 3-59S, 117-54E United States Submarine Sunk
  5   SHIRAHAMA MARU Cargo 2,812 4-40S, 122-47E United States Army Aircraft Sunk
  5   MIYAKO MARU Passenger-Cargo 970 27-36N, 128-54E United States Submarine Sunk
  5   TSURUMI Tanker 6,500e 5-50N, 125-42E United States Submarine Sunk
  6   UWAJIMA MARU NO 15 Passenger-Cargo 824 4-31S, 129-53E Netherlands Aircraft Sunk
  6   SHIROGANESAN MARU Cargo 4,739 14-14N, 117-16E United States Submarine Sunk
  6   SHONAN MARU Cargo 5,401 30-53N, 129-47E United States Submarine Sunk
  7   SANJU MARU Cargo 4,642 6-04N, 124-22E United States Submarine Sunk
  9   KOSHIN MARU Cargo 6,530 26-10N, 124-15E Japan Marine Casualty Sunk
  9   TOKUYUSAN MARU Cargo 813 1-12N, 128-08E United States Army Aircraft Sunk
  9   YAGI MARU Cargo 1,937 27-52N, 128-49E United States Submarine Sunk
  9   BOKO MARU Cargo 2,333 27-52N, 128-49E United States Submarine Sunk
  10   SHINEI MARU Cargo 5,135 16-17N, 119-46E United States Submarine Sunk
  11   ROKO MARU Cargo 3,328 34-12N, 136-19E United States Submarine Sunk
  11   IKUTA MARU Tanker 1,018 2-56S, 104-56E United States Army Mine Sunk
  12   MAYACHI MARU Cargo 2,159 50-28N, 144-09E United States Submarine Sunk
  12   TEIKON MARU Tanker 5,113 13-17N, 120-07E United States Submarine Sunk
  12   SHIMPO MARU Tanker 5,135 13-17N, 120-07E United States Submarine Sunk
  13   BUTSU MARU Tanker 5,949 20-16N, 121-52E Japan Marine Casualty Sunk

--64--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
August 13 1944 TOEI MARU Cargo 2,323 48-56N, 129-03E United States Submarine Sunk
  13   KOJUN MARU Cargo 1,931 6-17N, 126-09E United States Submarine Sunk
  13   ASAHI MARU NO 2 Cargo 1,322 22-00N, 114-45E United States Army Aircraft* Sunk
  14   TSURUHA MARU Cargo 1,849 Off Formosa Unknown Unknown Sunk
  14   MIIKESAN MARU Cargo 3,179 22-00N, 120-00E United States Army Aircraft Sunk
  14   ZUISHO MARU Passenger-Cargo 5,289 3-52N, 112-56E United States Submarine Sunk
  14   DAIGEN MARU NO 7 Converted Gunboat   1,289 37-25N, 125-12E United States Submarine Sunk
  14   TOSHO MARU Cargo 1,236 4-31S, 125-26E United States Army Aircraft Sunk
  17   SANSHO MARU Cargo 6,862 35-38N, 126-10E United States Submarine Sunk
  18   EISHIN MARU Cargo 542 18-16N, 120-20E United States Submarine Sunk
  18   TEIYO MARU Tanker 9,849 18-09N, 119-56E United States Submarine Sunk
  18   NANSEI MARU Tanker 5,878 8-48N, 116-58E United States Submarine Sunk
  19   TEIA MARU Transport 17,537 18-09N, 119-56E United States Submarine Sunk
  19   TAMATSU MARU Passenger-Cargo 9,589 18-49N, 119-47E United States Submarine Sunk
  19   HAYASUI Tanker 6,500e 17-34N, 119-24E United States Submarine Sunk
  20   CHUKO MARU Cargo 1,068 22-23N, 115-34E United States Army Aircraft Sunk
  21   TAKETOYO MARU Passenger-Cargo 6,965 13-23N, 120-19E United States Submarine Sunk
  21   UGA MARU Passenger-Cargo 4,433 13-23N, 120-19E United States Submarine Sunk
  21   KINRYO MARU Passenger-Cargo 4,390 13-23N, 120-19E United States Submarine Sunk
  21   NORFOLK MARU Passenger-Cargo 6,576 13-23N, 120-19E United States Submarine Sunk
  21   DURBAN MARU Passenger-Cargo 7,163 11-43N, 109-17E United States Submarine Sunk
  22   SUGI MARU NO 5 Cargo 1,983 11-40N, 92-45E Great
Britain
Submarine Sunk
  22   TONAN MARU NO 2 Tanker 19,262 29-44N, 125-22E United States Submarine Sunk
  22   HAKKO MARU NO 2 Tanker 10,023 18-48N, 120-48E United States Submarine Sunk
  22   TSUSHIMA MARU Passenger-Cargo 6,754 29-32N, 129-31E United States Submarine Sunk
  23   TSUKUSHI MARU Transport 8,135 34-37N, 137-50E United States Submarine Sunk
  24   YOSHIDA MARU NO 3 Cargo 4,646 25-13N, 121-49E United States Submarine Sunk
  24   FUKUREI MARU Cargo 5,969 25-13N, 121-49E United States Submarine Sunk
  24   TOAN MARU Cargo 2,110 21-29N, 121-18E United States Submarine Sunk
  24   TOSEI MARU Cargo 531 42-30N, 144-05E United States Submarine Sunk
  25   BATOPAHA MARU Cargo 5,953 18-33N, 120-34E United States Submarine Sunk
  25   KOTOKU MARU Cargo 1,943 18-46N, 120-46E United States Submarine Sunk
  27   NANSHIN MARU NO 27 Tanker 834 12-28N, 119-57E United States Submarine Sunk
  29   TIENTSIN MARU Passenger-Cargo 2,349 31-23N, 121-30E United States Army Mine Sunk
  29   MEXICO MARU Passenger-Cargo 5,785 2-07N, 122-28E United States Submarine Sunk
  30   IWAISHIMA MARU Cargo 695 33-07N, 119-59E United States Army Mine Sunk
  31   FENGYANG MARU Passenger-Cargo 3,977 30-11N, 115-07E United States Army Aircraft Sunk
  31   TOKUHEI MARU Cargo 3,439 30-11N, 115-07E United States Army Aircraft Sunk
  31   CHIYODA MARU Tanker 4,700 21-21N, 121-06E United States Submarine Sunk
  31   OKUNI MARU Cargo 5.633 21-14N, 121-22E United States Submarine Sunk
        66 Vessels 295,022        
*Probable Agent

--65--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 1 1944 SEKINO MARU Cargo 997 1-10N, 122-25E United States Navy Land-Based Aircraft Sunk
  1   INA MARU Cargo 853 30-26N, 140-53E United States Navy Carrier-
Based Aircraft
Sunk
  1   SURUGA MARU Cargo 525 25-45N, 141-29E United States Navy Carrier-
Based Aircraft
Sunk
  1   NAMBA MARU Cargo 2,300e 31-10N, 121-50E United States Army Mine Sunk
  2   MISAKI MARU NO 2 Cargo 769 46-55N, 152-00E Japan Marine Casualty Sunk
  5   SHINGETSU MARU Cargo 880 32-24N, 134-15E United States Submarine Sunk
  5   SHIRETOKO MARU Cargo 1,799 5-42S, 104-58E Great
Britain
Submarine Sunk
  6   EIJI MARU Cargo 6,968 22-19N, 120-30E United States Army Mine Sunk
  7   SHINYO MARU Cargo 2,518 8-11N, 122-40E United States Submarine Sunk
  7   KOKKA MARU Cargo 5,300 25-12N, 121-45E United States Army Mine Sunk
  7   EIYO MARU NO 2 Tanker 5,061 8-11N, 122-40E United States Navy Carrier-
Based Aircraft
Submarine
Sunk
  8   NICHIMAN MARU Cargo 1,922 24-46N, 123-15E United States Submarine Sunk
  8   NICHIAN MARU Cargo 6,197 24-46N, 123-15E United States Submarine Sunk
  8   SHINTEN MARU Cargo 1,254 24-39N, 123-31E United States Submarine Sunk
  8   SHOKEI MARU Cargo 2,557 24-39N, 123-31E United States Submarine Sunk
  8   YANAGIGAWA MARU Cargo 2,813 8-14N, 121-47E United States Submarine Sunk
  9   MIHARA MARU Passenger-Cargo 697 9-45N, 125-30E United States Navy Carrier-
Based Aircraft
Sunk
  9   KURENAI MARU Passenger-Cargo 1,547 9-45N, 125-30E United States Navy Carrier-
Based Aircraft
Sunk
  9   TAIYU MARU Cargo 1,873 9-45N, 125-30E United States Navy Carrier-
Based Aircraft
Sunk
  9   KUNIYAMA MARU Cargo 2,750e 6-30N, 121-50E United States Navy Land-Based Aircraft Sunk
  9   TOYOOKA MARU Passenger-Cargo 7,097 19-45N, 120-56E United States Submarine Sunk
  9   MANSHU MARU Transport 3,054 19-45N, 120-56E United States Submarine Sunk
  9   SHONAN MARU Passenger-Cargo 5,859 47-58N, 148-20E United States Submarine Sunk
  9   SAINAN MARU Passenger-Cargo 3,232 31-23N, 121-30E United States Army Mine Sunk
  9   TOKIWASAN MARU Cargo 1,804 28-53N, 137-42E United States Submarine Sunk
  9   SHORYU MARU Cargo 1,916 28-53N, 137-42E United States Submarine Sunk
  10   UNYO MARU NO 7 Cargo 839 7-03N, 125-40E United States Navy Carrier-
Based Aircraft
Probably sunk
  10   JOOSAN MARU Cargo 1,816 Off China Unknown Unknown Sunk
  10   KINMO MARU Cargo 522 25-13N, 141-01E United States Navy Carrier-
Based Aircraft
Sunk
  10   HINOKI MARU Converted Net Tender 599 6-27S, 116-48E United States Submarine Sunk
  10   CHIHAYA MARU Tanker 4,701 33-52N, 127-41E United States Submarine Sunk
  10   HOEI MARU NO 2 Tanker 834 31-23N, 121-37E United States Army Mine Sunk
  10   TAKEKUN MARU Tanker 3,029 3-54N, 98-43E Great
Britain
Mine* Sunk
* Probable Agent

--66--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 11 1944 HAKUUN MARU NO 2 Cargo 860 27-37N, 140-21E United States Submarine Sunk
  11   HASSHO MARU Cargo 536 27-37N, 140-21E United States Submarine Sunk
  12   AYAZONO MARU Tanker 2,854 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   BUGEN MARU Cargo 691 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   DAIAKITA MARU Cargo 2,704 11-21N, 124-07E United States Navy Carrier-
Based Aircraft
Sunk
  12   GENKAI MARU Passenger-Cargo 3,850 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   HAKUMI MARU Cargo 2,857 10-34N, 124-01E United States Navy Carrier-
Based Aircraft
Sunk
  12   KEIAN MARU Cargo 2,084 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   KISO MARU Cargo 703 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   KOREI MARU Cargo 540 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   RAKUTO MARU Passenger-Cargo 2,962 10-35N, 124-20E United States Navy Carrier-
Based Aircraft
Sunk
  12   NICHIEI MARU Cargo 2,436 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   TOYO MARU Cargo 544 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   SHINTAI MARU NO 5 Cargo 534 10-20N, 124-00E United States Navy Carrier-
Based Aircraft
Sunk
  12   HAKUTETSU MARU NO 7 Cargo 1,018 33-31N, 135-57E United States Submarine Sunk
  12   NANKAI MARU Passenger-Cargo 8,416 18-42N, 114-30E United States Submarine Sunk
  12   RAKUYO MARU Passenger-Cargo 9,419 18-42N, 114-30E United States Submarine Sunk
  12   KACHIDOKI MARU Transport 10,509 19-18N, 111-53E United States Submarine Sunk
  12   ZUIHO MARU Tanker 5,135 19-18N, 111-53E United States Submarine Sunk
  13   AKITSUSHIMA MARU Cargo 542 3-04S, 128-11E United States Army Aircraft Sunk
  13   USA MARU Cargo 842 23-52N, 118-56E United States Army Aircraft Sunk
  13   ETASHIMA MARU Cargo 6,435 35-04N, 124-49E United States Submarine Sunk
  14   KONAN MARU Cargo 1,334 42-07N, 140-47E Japan Marine Casualty Sunk
  16   SHINAI MARU Cargo 2,410 4-07S, 122-44E United States Navy Land-
Based Aircraft
Sunk
  16   OGURA, MARU NO 2 Tanker 7,311 21-23N, 121-17E United States Submarine Sunk
  16   TOKUSHIMA MARU Passenger-Cargo 5,975 21-15N, 121-29E United States Submarine Sunk
  16   IMAJI MARU Cargo 1,986 5-08N, 115-05E Japan Mine Sunk
  16   AZUSA MARU Tanker 11,177 19-18N, 116-26E United States Submarine Sunk
  17   DAIGEN MARU NO 10 Cargo 2,110 33-46N, 130-22E Japan Marine Casualty Sunk
  18   JUNYO MARU Cargo 5,065 2-53S, 101-10E Great
Britain
Submarine Sunk
  18   GYOKU MARU Cargo 6,854 35-05N, 124-24E United States Submarine Sunk

--67--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 18 1944 SAIGON MARU Converted Light Cruiser 5,350 14-11N, 120-02E United States Submarine Sunk
  19   TOSEI MARU NO 2 Tanker 507 24-56N, 122-14E United States Submarine Sunk
  21   YAMABUKI MARU Cargo 5,081 14-45N, 120-12E United States Navy Carrier-
Based Aircraft
Sunk
  21   CHINA MARU Passenger-Cargo 5,869 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   HIOKI MARU Cargo 5,320 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   HOFUKU MARU Passenger-Cargo 5,825 15-25N, 119-50E United States Navy Carrier-
Based Aircraft
Sunk
  21   IWASHIRO MARU Cargo 873 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   NIYO MARU Tanker 10,022 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   NORWAY MARU Passenger-Cargo 5,832 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   NOSHIRO MARU Converted Light Cruiser 7,189 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   OGURA MARU NO 1 Tanker 7,270 15-25N, 119-50E United States Navy Carrier-
Based Aircraft
Sunk
  21   RISSHUN MARU Passenger-Cargo 4,414 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   ROZAN MARU Passenger-Cargo 6,638 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   NANSEI MARU Cargo 2,218 14-45N, 120-12E United States Navy Carrier-
Based Aircraft
Sunk
  21   KUROGANE MARU Cargo 2,700 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   KYOKUTO MARU Tanker 10,051 14-25N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   TSUKUBASAN MARU Cargo 1,937 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   YUKI MARU Cargo 3,168 15-25N, 119-50E United States Navy Carrier-
Based Aircraft
Sunk
  21   SHICHIYO MARU Cargo 557 15-25N, 119-50E United States Navy Carrier-
Based Aircraft
Sunk
  21   SURAKARUTA MARU Cargo 6,886 15-25N, 119-50E United States Navy Carrier-
Based Aircraft
Sunk
  21   TAKASAGO MARU NO 3 Tanker 834e 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk
  21   MIZUHO MARU Transport 8,506 18-35N, 120-39E United States Submarine Sunk
  21   RIZAN MARU Cargo 4,747 49-16N, 145-29E United States Submarine Sunk
  21   AWAJI MARU Cargo 1,948 18-43N, 120-52E United States Submarine Sunk
  21   YOZAN MARU Cargo 6,487 14-35N, 120-55E United States Navy Carrier-
Based Aircraft
Sunk

--68--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 22 1944 CERAM MARU Tanker 2,858 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  22   HORAI MARU NO 2 Tanker 834e 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  22   NANMEI MARU NO 9 Tanker 834e 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  22   NANSHIN MARU NO 24 Tanker 834e 16-36N, 120-18E United
States
Navy Carrier-
Based Aircraft
Sunk
  22   TAIYU MARU Cargo 1,942 16-36N, 120-18E United
States
Navy Carrier-
Based Aircraft
Sunk
  22   SHUN YUAN Cargo 1,610 15-22N, 119-17E United
States
Submarine Sunk
  23   TOSHO MARU Cargo 1,289 4-23S, 122-43E United
States
Navy Land-
Based Aircraft
Sunk
  24   KOGYO MARU Cargo 6,353 11-59N, 120-02E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   OKIGAWA MARU Tanker 10,043 14-00N, 119-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   CHUKA MARU Cargo 2,189 11-13N, 123-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   EKKAI MARU Cargo 2,984 11-59N, 120-02E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   FUKUEI MARU NO 17 Cargo 830 11-54N, 123-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   IRAKO Collier 6,500e 11-59N, 120-02E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KENWA MARU Tanker 6,384 11-13N, 123-10E United
States
Navy Carrier-
Based Aircraft
Sank
  24   KOSHU MARU NO 2 Cargo 866 11-54N, 123-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   OLYMPIA MARU Passenger-Cargo 5,617 11-59N, 120-02E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KYOKUZAN MARU Cargo 6,300 11-59N, 120-02E United
States
Navy Carrier-
Based Aircraft
Sank
  24   SHINYO MARU Passenger-Cargo 4,658 12-21N, 123-00E United
States
Navy Carrier-
Based Aircraft
Sank
  24   SIBERIA MARU Transport 3,461 11-54N, 123-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   TAIEI MARU Tanker 10,045 11-59N, 120-02E United
States
Navy Carrier-
Based Aircraft
Sank
  25   ROKKOSAN MARU Cargo 2,174 22-28N, 118-38E United
States
Army Aircraft Sunk
  25   BUSHU MARU Cargo 1,222 29-50N, 130-06E United
States
Submarine Sunk
  25   MIYAKAWA MARU NO 2 Cargo 873 38-30N, 124-06E United
States
Submarine Sunk
  25   NISSEI MARU Cargo 1,468 37-32N, 124-33E United
States
Submarine Sunk
  26   KOETSU MARU Cargo 873 37-13N, 123-48E United
States
Submarine Sunk
  27   URAL MARU Transport 6,374 15-40N, 117-18E United
States
Submarine Sunk

--69--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
September 27 1944 HOKKI MARU Tanker 5,599 15-45N, 117-48E United
States
Submarine Sunk
  27   HACHIROGATA MARU Cargo 1,999 46-32N, 146-48E United
States
Submarine Sunk
  28   TONE MARU Cargo 537 1-15S, 116-50E United
States
Navy Land-
Based Aircraft
Sunk
  28   ANJO MARU Tanker 2,068 13-16N, 120-08E United
States
Submarine Sunk
  29   EKISAN MARU Cargo 3,690 27-12N, 128-18E United
States
Submarine Sunk
        120 Vessels 419,112        
October     1 1944 SEIAN MARU Passenger-Cargo 1,990 28-11N, 139-30E United
States
Submarine Sunk
  1   TAKUNAN MARU Cargo 751 30-32N, 138-17E United
States
Submarine Sunk
  1   ZUIYO MARU Tanker 7,385 16-15N, 119-43E United
States
Submarine Sunk
  1   KYOKUHO MARU Tanker 10,059 16-15N, 119-43E United
States
Submarine Sunk
  1   KOKUSEI MARU Cargo 5,396 6-30N, 116-11E United
States
Submarine Sunk
  1   HIGANE MARU Cargo 5,320 6-30N, 116-11E United
States
Submarine Sunk
  1   HIYORI MARU Cargo 5,320 6-30N, 116-11E United
States
Submarine Sunk
  2   HAVRE MARU Passenger-Cargo 5,467 6-03N, 120-59E Japan Marine Casualty Sunk
  2   TSUYAMA MARU Passenger-Cargo 6,962 21-00N, 121-46E United
States
Submarine Sunk
  2   AZUCHISAN MARU Cargo 6,888 18-25N, 120-32E United
States
Submarine Sunk
  3   NANSHIN MARU NO 14 Tanker 834 6-54N, 122-04E United
States
Army Aircraft Sunk
  4   TATEISHI MARU Passenger-Cargo 3,801 6-10N, 121-20E United
States
Army Aircraft Sunk
  4   TAIBIN MARU Cargo 6,886 15-26N, 119-49E United
States
Submarine Sunk
  5   ROKKO MARU Passenger-Cargo 3,038 23-09N, 119-58E United
States
Army Aircraft Sunk
  5   TATSUSHIRO MARU Cargo 6,886 13-01N, 120-15E United
States
Submarine Sunk
  6   AKANE MARU Tanker 10,241 19-40N, 118-05E United
States
Submarine Sunk
  6   YAMAMIZU MARU NO 2 Cargo 5,154 17-31N, 120-21E United
States
Submarine Sunk
  7   KINUGASA MARU Passenger-Cargo 8,407 14-30N, 115-48E United
States
Submarine Sunk
  7   SHINYO MARU NO 8 Cargo 1,959 17-50N, 119-37E United
States
Submarine Sunk
  7   MACASSAR MARU Passenger-Cargo 4,026 17-54N, 119-57E United
States
Submarine Sunk
  8   KOHOKU MARU Passenger-Cargo 2,573 18-32N, 116-13E United
States
Submarine Sunk
  9   TACHIBANA MARU Tanker 6,521 19-33N, 116-38E United
States
Submarine Sunk
  9   TOKUWA MARU Cargo 1,943 12-46N, 118-02E United
States
Submarine Sunk
  9   SHINKI MARU Cargo 2,211 32-08N, 129-51E United
States
Submarine Sunk
  9   HATO MARU Cargo 880e 31-10N, 122-25E United
States
Army Mine Sunk
  10   NISSHI MARU Cargo 878 37-11N, 138-18E Japan Marine Casualty Sunk
  10   FUKUURA MARU Cargo 3,177 26-13N, 127-39E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   HIROTA MARU Cargo 2,211 24-26N, 125-20E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   HORAI MARU Passenger-Cargo 3,198 26-38N, 127-54E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   KORYU MARU Cargo 2,170 25-51N, 126-30E United
States
Navy Carrier-
Based Aircraft
Sunk

--70--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October 10 1944 NANKAI MARU NO 1 Cargo 1,163 26-13N, 127-39E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   NANYO MARU Cargo 2,218 26-13N, 127-39E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   TETSUZAN MARU Cargo 2,018 26-13N, 127-39E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   TAIKAI MARU Cargo 2,478 26-13N, 127-39E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   JOSHU GO Cargo 1,658 25-20N, 121-32E United
States
Submarine Sunk
  10   EJIRI MARU Cargo 6,968 16-10N, 119-44E United
States
Submarine Sunk
  11   OITA MARU Cargo 711 25-40N, 121-30E United
States
Submarine Sunk
  12   MANRYO MARU Cargo 1,185 2-50N, 100-50E Great
Britain
Submarine Sunk
  12   SHINTAI MARU NO 3 Cargo 530 Off Philippine Is Unknown Unknown Sunk
  12   RYUSEI MARU Cargo 2,087 35-00N, 140-00E Japan Marine Casualty Sunk
  12   SHINAN MARU Cargo 1,278 23-22N, 120-10E United
States
Army Aircraft Sunk
  12   ASAKA MARU Converted Light Cruiser 7,398 23-30N, 119-34E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   ASAKA MARU Passenger-Cargo 4,681 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   BUJO MARU Cargo 2,270 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   GYOUN MARU Cargo 912 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   HAKKO MARU Cargo 1,132 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   HORAI MARU NO 6 Tanker 834 23-30N, 119-34E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   MITSUKI MARU Passenger-Cargo 6,440 23-30N, 119-34E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   NANSHIN MARU NO 23 Tanker 834 23-30N, 119-34E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   NANSHIN MARU NO 26 Tanker 834 23-30N, 119-34E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   NANSHIN MARU NO 5 Tanker 834e 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   NANSHIN MARU NO 11 Tanker 834e 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   NANSHIN MARU NO 20 Tanker 834e 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   NIITAKA MARU Dredge 3,244 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   YAMAHAGI MARU Cargo 5,246 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   TEISHO MARU Cargo 7,974 22-37N, 120-16E United
States
Navy Carrier-
Based Aircraft
Sunk

--71--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October     12 1944 SHIROTAE MARU Cargo 2,812 23-30N, 119-34E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   TOKO MARU Passenger-Cargo 4,180 13-31N, 120-19E United
States
Submarine Sunk
  13   SHINSHU MARU Cargo 4,182 11-52N, 109-20E United
States
Submarine Sunk
  14   FUSHIMI MARU Cargo 2,542 16-12N, 119-45E United
States
Submarine Sunk
  14   NITTETSU MARU Cargo 5,993 6-05N, 115-55E United
States
Submarine Sunk
  14   EIKYO MARU Cargo 6,948 6-05N, 115-55E United
States
Submarine Sunk
  14   NANREI MARU Transport 2,407 11-53N, 121-39E United
States
Submarine Sunk
  16   BUNZAN MARU Cargo 1,990 22-17N, 114-10E United
States
Army Aircraft Sunk
  17   ISHIKARI MARU Cargo 830 8-02N, 93-32E Great
Britain
Navy Carrier-
Based Aircraft
Sunk
  18   NICHIZUI MARU Cargo 6,584 21-10N, 114-00E United
States
Army Aircraft Sunk
  18   HOKUREI MARU Passenger-Cargo 2,407 17-46N, 120-25E United
States
Navy Carrier-
Based Aircraft Submarine
Sunk
  18   SHIRANESAN MARU Cargo 4,739 12-37N, 118-46E United
States
Submarine Sunk
  18   TAIKAI MARU Passenger-Cargo 3,812 12-37N, 118-46E United
States
Submarine Sunk
  18   BELGIUM MARU Passenger-Cargo 5,838 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   HOEISAN MARU Passenger-Cargo 6,032 14-35N, 120-50E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   HOTEN MARU Transport 3,974 18-54N, 121-51E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   JOGU MARU Cargo 4,803 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   TSINGTAO MARU Transport 4,017 18-54N, 121-51E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   URATO MARU Passenger-Cargo 6,042 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   TEMPI MARU Cargo 6,933 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   TERUKUNI MARU Transport 3,588 18-54N, 121-51E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   SHINKO MARU Cargo 6,479 18-35N, 121-40E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   TAIHO MARU Cargo 2,720 18-54N, 121-51E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   ARABIA MARU Transport 9,480 14-06N, 119-40E United
States
Submarine Sunk
  18   CHINZEI MARU Cargo 1,999 14-06N, 119-40E United
States
Submarine Sunk
  18   HAKUSHIKA MARU Passenger-Cargo 8,150 14-06N, 119-40E United
States
Submarine Sunk
  20   UGO MARU Passenger-Cargo 3,684 4-52N, 113-24E United
States
Submarine Sunk
  20   OYO MARU Passenger-Cargo 5,458 4-41N, 113-22E United
States
Submarine Sunk
  21   NISSHO MARU NO 21 Cargo 880 41-29N, 140-15E Japan Marine Casualty Probably sunk
  21   RYOCHI MARU Cargo 2,158 11-14N, 123-44E United
States
Navy Carrier-
Based Aircraft
Sunk

--72--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October     21 1944 DOKO MARU Cargo 2,274 12-35N, 122-16E United
States
Navy Carrier-
Based Aircraft
Sunk
  22   RYUEI MARU Tanker 2,850 13-15N, 120-19E Japan Marine Casualty Sunk
  22   TOMITSU MARU Converted Gunboat 2,933 29-20N, 129-45E United
States
Submarine Sunk
  22   MUROTO Collier 4,500e 29-20N, 129-45E United
States
Submarine Sunk
  23   KIMIKAWA MARU Converted Seaplane Tender 6,863 18-58N, 118-31E United
States
Submarine Sunk
  23   SHINSEI MARU NO 1 Passenger-Cargo 5,863 19-44N, 118-25E United
States
Submarine* Sunk
  23   TOUN MARU Cargo 1,915 24-57N, 120-25E United
States
Submarine Sunk
  23   WAKATAKE MARU Cargo 1,920 24-57N, 120-25E United
States
Submarine Sunk
  23   TATSUJU MARU Cargo 1,944 24-57N, 120-25E United
States
Submarine Sunk
  23   BYAKURAN MARU Cargo 887 35-39N, 126-05E United
States
Submarine Sunk
  24   TAIMEI MARU Cargo 989 5-50N, 118-07E United
States
Army Aircraft Sunk
  24   FUYUKAWA MARU Cargo 2,844 16-30N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   EIKO MARU Cargo 1,843 20-10N, 118-16E United
States
Submarine Sunk
  24   TAITEN MARU Passenger-Cargo 6,442 20-31N, 118-32E United
States
Submarine* Sunk
  24   KOKURYU MARU Passenger-Cargo 7,369 20-33N, 118-34E United
States
Submarine* Sunk
  24   KIKUSUI MARU Tanker 3,887 20-54N, 118-19E United
States
Submarine* Sunk
  24   ARISAN MARU Cargo 6,886 20-31N, 118-32E United
States
Submarine* Sunk
  24   MIKAGE MARU Cargo 2,761 33-00N, 125-49E United
States
Submarine Sunk
  24   SHIKISAN MARU Passenger-Cargo 4,725 20-27N, 118-31E United
States
Submarine Sunk
  24   TENSHIN MARU Cargo 4,236 19-31N, 118-10E United
States
Submarine Sunk
  24   IKUTAGAWA MARU Cargo 2,220 27-08N, 143-13E United
States
Submarine Sunk
  25   SHOHO MARU Tanker 834 11-18N, 119-50E United
States
Army Aircraft Sunk
  25   HAKUYO MARU Cargo 5,742 50-17N, 150-50E United
States
Submarine Sunk
  25   JINEI MARU Tanker 10,500 30-15N, 129-45E United
States
Submarine Sunk
  25   KOGEN MARU Cargo 6,600 25-06N, 119-31E United
States
Submarine Sunk
  25   MATSUMOTO MARU Cargo 7,024 25-06N, 119-31E United
States
Submarine Sunk
  26   KAIKO MARU Cargo 2,698 20-27N, 111-49E United
States
Army Aircraft Sunk
  26   NANSHIN MARU NO 31 Tanker 834e 8-22N, 116-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  26   TAKASAGO MARU NO 7 Tanker 834e 10-18N, 117-47E United
States
Submarine Sunk
  26   TAISHO MARU Cargo 6,886 19-21N, 120-50E United
States
Submarine Sunk
  26   TAIHAKU MARU Cargo 6,886 19-21N, 120-50E United
States
Submarine Sunk
  26   SEITO MARU Cargo 2,219 3-14S, 116-13E Australia Mine Sunk
  26   TAIYO MARU Cargo 4,168 19-04N, 120-36E United
States
Submarine Sunk
  27   BAIEI MARU Tanker 2,858 5-07N, 115-10E Japan Mine* Sunk
  27   NIPPO MARU Tanker 10,528 7-09N, 116-40E United
States
Submarine Sunk
  27   TOKAI MARU NO 4 Cargo 537 25-22N, 141-31E United
States
Submarine Sunk
  28   SUMATRA MARU Cargo 984 7-54N, 98-28E Great
Britain
Submarine Sunk
  29   ITSUKUSHIMA MARU Tanker 10,006 6-45N, 116-55E United
States
Navy Land-
Based Aircraft
Sunk
* Probable Agent

--73--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
October 29 1944 KOKKO MARU Cargo 2,863 1-17S, 116-48E Australia Mine Sunk
  30   KOSHO MARU Cargo 2,854 5-50N, 118-07E United
States
Army Aircraft Sunk
  30   NANSHIN MARU NO 8 Tanker 834e 5-50N, 118-07E United
States
Army Aircraft Sunk
  30   TAKANE MARU Tanker 10,021 30-14N, 132-50E United
States
Submarine Sunk
  31   KOMEI MARU Cargo 2,857 15-17N, 119-49E United
States
Submarine Sunk
  31   PACIFIC MARU Passenger-Cargo 5,872 15-17N, 119-49E United
States
Submarine Sunk
        130 Vessels 512,378        
November  1 1944 HORAI MARU NO 7 Cargo 865 13-02N, 120-17E United
States
Submarine Sunk
  1   UNKAI MARU NO 12 Cargo 2,745 12-54N, 120-10E United
States
Submarine Sunk
  1   ASAMA MARU Transport 16,975 20-09N, 117-38E United
States
Submarine Sunk
  2   HACHIJIN MARU Cargo 1,918 00-48N, 107-43E Great
Britain
Submarine Sunk
  2   NOTO MARU Cargo 7,191 10-30N, 125-00E United
States
Army Aircraft Sunk
  2   ATLAS MARU Passenger-Cargo 7,347 20-20N, 121-30E United
States
Submarine Sunk
  2   HAMBURG MARU Passenger-Cargo 5,271 20-20N, 121-30E United
States
Submarine Sunk
  2   KURAMASAN MARU Cargo 1,995 4-30S, 118-20E United
States
Submarine Sunk
  3   TAIMEI MARU Cargo 6,923 5-48N, 111-05E United
States
Submarine Sunk
  4   KAGU MARU Passenger-Cargo 6,806 15-54N, 119-45E United
States
Submarine Sunk
  6   MARIFU MARU Tanker 5,135 14-25N, 120-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  6   SHINO MARU Cargo 513 13-30N, 123-02E United
States
Navy Land-
Based Aircraft
Sunk
  7   KIRI MARU NO 8 Cargo 939 34-32N, 138-33E United
States
Submarine Sunk
  7   KOTAI MARU Tanker 975 34-32N, 138-33E United
States
Submarine Sunk
  8   KEIJO MARU Cargo 1,051 31-09N, 129-38E United
States
Submarine Sunk
  8   HAKKO MARU Cargo 1,948 31-09N, 129-38E United
States
Submarine Sunk
  8   NICHINAN MARU NO 2 Tanker 5,226 13-46N, 116-53E United
States
Submarine Sunk
  8   SHIMOTSU MARU Tanker 2,854 14-01N, 117-17E United
States
Submarine Sunk
  8   MANEI MARU Tanker 5,226 13-53N, 119-26E United
States
Submarine Sunk
  9   CHOJUSAN MARU Converted Gunboat 2,131 31-17N, 129-10E United
States
Submarine Sunk
  9   HISHI MARU NO 2 Tanker 856 12-27N, 120-05E United
States
Submarine Sunk
  10   KASHII MARU Passenger-Cargo 8,407 10-50N, 124-35E United
States
Army Aircraft Sunk
  10   TAKATSU MARU Cargo 5,350 10-50N, 124-35E United
States
Army Aircraft Sunk
  10   GOKOKU MARU Converted Light Cruiser 10,438 33-23N, 129-03E United
States
Submarine Sunk
  11   SAIHO MARU Passenger-Cargo 4,639 10-50N, 124-35E United
States
Naval Carrier-
Based Aircraft
Sunk
  11   MIKASA MARU Passenger-Cargo 3,143 10-50N, 124-35E United
States
Naval Carrier-
Based Aircraft
Sunk
  11   TENSHO MARU Passenger-Cargo 5,013 10-50N, 124-35E United
States
Naval Carrier-
Based Aircraft
Sunk
  11   TAIZAN MARU Cargo 3,528 10-50N, 124-35E United
States
Naval Carrier-
Based Aircraft
Sunk
  12   ATSUTA MARU Cargo 2,750 11-03N, 119-12E United
States
Naval Land-
Based Aircraft
Sunk

--74--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November   12 1944 NARUO MARU Cargo 4,823 31-29N, 125-19E United
States
Submarine Sunk
  12   TATSUAKI MARU Cargo 2,766 31-18N, 125-30E United
States
Submarine Sunk
  13   AOKI MARU Cargo 3,710 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   DAITOKU MARU Cargo 6,923 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   EIKYU MARU Cargo 6,862 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   EIWA MARU Cargo 6,968 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   HATSU MARU Cargo 4,260 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   HEIAN MARU Passenger-Cargo 5,346 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   KAKOGAWA MARU Cargo 6,886 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   KINKA MARU Passenger-Cargo 9,305 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   ONDO Tanker 6,500 14-29N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   SEIWA MARU Passenger-Cargo 7,210 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   SEKIHO MARU Cargo 5,402 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   MURO MARU Cargo 1,606 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   MYOGI MARU Passenger-Cargo 4,020 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   NISHI MARU Cargo 2,655 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   TATSUURA MARU Passenger-Cargo 6,420 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   TEIYU MARU Cargo 5,753 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  13   SHINKOKU MARU Cargo 2,746 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   AYAGIRI MARU Tanker 2,854 12-40N, 120-40E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   HORAI MARU NO 5 Tanker 834 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SUGIYAMA MARU Cargo 4,379 15-14N, 112-13E United
States
Submarine Sunk
  14   MISAKI MARU Cargo 4,422 15-14N, 112-13E United
States
Submarine Sunk
  14   UNKAI MARU NO 5 Tanker 2,841 17-57N, 117-45E United
States
Submarine Sunk
  14   GYOKUYO MARU Cargo 5,396 31-04N, 123-56E United
States
Submarine Sunk

--75--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November   14 1944 NICHIEI MARU Cargo 5,396 11-19N, 109-01E United
States
Submarine Sunk
  14   YUTAKA MARU Cargo 2,704 12-40N, 120-40E United
States
Submarine
Navy Carrier-
Based Aircraft
Sunk
  15   CELEBES MARU Passenger-Cargo 5,863 13-17N, 122-28E United
States
Navy Land-
Based Aircraft
Sunk
  15   AKITSU MARU Aircraft Ferry 9,186 33-15N, 128-10E United
States
Submarine Sunk
  15   YUZAN MARU NO 2 Cargo 6,859 11-20N, 109-03E United
States
Submarine Sunk
  16   KYOEI MARU Tanker 602 3-30N, 117-30E United
States
Army Aircraft Sunk
  16   KISARAGI MARU Cargo 875 28-56N, 141-59E United
States
Submarine Sunk
  17   MAYASAN MARU Passenger-Cargo 9,433 33-16N, 124-43E United
States
Submarine Sunk
  17   EDOGAWA MARU Cargo 6,968 33-31N, 124-32E United
States
Submarine Sunk
  17   SHUNTEN MARU Passenger-Cargo 5,623 16-56N, 110-30E United
States
Submarine Sunk
  18   AISAKASAN MARU Cargo 6,923 33-50N, 124-44E United
States
Submarine Sunk
  18   CHINKAI MARU Cargo 2,827 33-39N, 124-26E United
States
Submarine Sunk
  18   SEISHO MARU Passenger-Cargo 5,463 33-36N, 124-18E United
States
Submarine Sunk
  19   NICHINAN MARU Cargo 1,945 1-36N, 102-53E Great
Britain
Submarine* Sunk
  19   NATSUKAWA MARU Cargo 4,500 5-20N, 115-13E United
States
Army Aircraft Sunk
  19   ESASHI MARU Cargo 6,923 16-50N, 120-08E United
States
Navy Carrier-
Based Aircraft
Sunk
  19   SEIAN MARU Passenger-Cargo 3,712 14-48N, 120-17E United
States
Navy Carrier-
Based Aircraft
Sunk
  19   UNKNOWN MARU Tanker 2,800e 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  19   SHINKO MARU NO 1 Cargo 1,200 19-00N, 111-51E United
States
Submarine Sunk
  20   DAICHI MARU Passenger-Cargo 1,280 31-57N, 122-18E United
States
Army Aircraft Sunk
  21   FUKUREI MARU Cargo 1,398 38-08N, 124-39E Japan Marine Casualty Sunk
  21   GYOSAN MARU Cargo 5,698 10-39N, 115-05E United
States
Submarine Sunk
  22   NANSHIN MARU NO 2 Tanker 834e 1-00S, 104-28E Japan Marine Casualty Sunk
  22   DOWA MARU Cargo 1,916 10-22N, 114-21E United
States
Submarine Sunk
  23   HOZAN MARU Transport 2,345 24-26N, 122-46E United
States
Submarine* Sunk
  23   SHUYO MARU Cargo 6,933 34-15N, 128-58E United
States
Submarine Sunk
  23   FUKUJU MARU Passenger-Cargo 5,291 34-19N, 128-05E United
States
Submarine Sunk
  23   GOSHUN MARU Cargo 2,300e 37-51N, 124-37E Japan Mine* Sunk
  23   SAKAE MARU Cargo 2,878 24-12N, 122-53E United
States
Submarine* Sunk
  23   AMAKUSA MARU Passenger-Cargo 2,340 24-24N, 122-45E United
States
Submarine* Sunk
  25   BANEI MARU NO 6 Cargo 1,191 16-37N, 120-19E United
States
Navy Carrier-
Based Aircraft
Sunk
  25   KASAGISAN MARU Passenger-Cargo 2,427 16-37N, 120-19E United
States
Navy Carrier-
Based Aircraft
Sunk
  25   SHOHO MARU Cargo 1,356 20-18N, 121-34E United
States
Submarine Sunk
  25   MANILA MARU Passenger-Cargo 9,486 5-30N, 113-21E United
States
Submarine Sunk
*Probable Agent

--76--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November   25 1944 SANTOS MARU Cargo 7,266 20-12N, 121-51E United
States
Submarine Sunk
  26   YUHO MARU Tanker 5,226 4-55N, 114-06E United
States
Submarine Sunk
  27   NANKO MARU NO 6 Cargo 834 Yellow Sea Unknown Unknown Sunk
  28   ATAGO MARU Tanker 7,543 4-29N, 114-00E United
States
Army Aircraft Sunk
  29   SHINETSU MARU Cargo 2,212 10-47N, 124-17E United
States
Army Aircraft Sunk
  29   SHINSHO MARU Cargo 2,880 11-01N, 124-37E United
States
Army Aircraft Sunk
  29   DAIBOSHI MARU NO 6 Cargo 3,925 37-17N, 125-11E United
States
Submarine Sunk
  30   KUMANO MARU Converted Net Tender 872 1-30N, 103-00E Great
Britain
Submarine* Sunk
  30   DAIREN MARU Transport 3,748 38-06N, 124-39E United
States
Submarine Sunk
        97 Vessels 421,026        
December 2 1944 AKIGAWA MARU Cargo 6,859 30-51N, 128-45E United
States
Submarine Sunk
  2   HAWAII MARU Passenger-Cargo 9,467 30-51N, 128-45E United
States
Submarine Sunk
  3   NANSHIN MARU NO 18 Tanker 834e 5-55N, 116-12E United
States
Navy Land-
Based Aircraft
Sunk
  3   NANSHIN MARU NO 13 Tanker 834e 1-22S, 117-03E United
States
Navy Land-Based
Aircraft
Sunk
  4   HAKKO MARU Tanker 10,022 13-12N, 116-37E United
States
Submarine Sunk
  4   SHINTO MARU Cargo 1,215 22-35N, 120-30E United
States
*Unknown Aircraft Sunk
  6   BANSHU MARU NO 31 Cargo 748 18-54N, 120-49E United
States
Submarine Sunk
  6   JINYO MARU Cargo 6,862 18-54N, 120-49E United
States
Submarine Sunk
  6   FUKUYO MARU Cargo 5,463 18-59N, 121-05E United
States
Submarine* Sunk
  6   YASUKUNI MARU Cargo 5,794 18-51N, 121-07E United
States
Submarine, Navy Carrier-
Based Aircraft
Sunk
  6   KENJO MARU Cargo 6,933 18-57N, 120-58E United
States
Submarine* Sunk
  7   HAKUBA MARU Passenger-Cargo 2,858 11-23N, 124-18E United
States
Army Aircraft
Marine Land-
Based Aircraft
Sunk
  7   AKAGISAN MARU Passenger-Cargo 4,634 11-23N, 124-18E United
States
Army Aircraft
Marine Land-
Based Aircraft
Sunk
  7   SHINSEI MARU NO 5 Cargo 2,599 11-23N, 124-18E United
States
Army Aircraft
Marine Land-
Based Aircraft
Sunk
  7   NICHIYO MARU Cargo 6,300 11-23N, 124-18E United
States
Army Aircraft
Marine Land-
Based Aircraft
Sunk
  8   SHOEI MARU Tanker 2,854 4-03N, 111-31E United
States
Submarine Sunk
  11   MINO MARU Cargo 4,667 11-20N, 124-10E United
States
Army Aircraft
Marine Land-
Based Aircraft
Sunk
  11   TASMANIA MARU Cargo 4,106 11-20N, 124-10E United
States
Army Aircraft
Marine Land-
Based Aircraft
Sunk
  11   SHONAN MARU Cargo 1,120 12-42N, 122-10E United
States
Navy Land-
Based Aircraft
Sunk
* Probable Agent

--77--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December 14 1944 UNKAI MARU NO 2 Cargo 1,713 Japan Sea Unknown Unknown Probably sunk
  14   NIKKO MARU NO 1 Cargo 852 14-48N, 120-16E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   ORYOKU MARU Transport 7,365 14-45N, 120-13E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   RISEN MARU Cargo 6,436 14-35N, 120-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  16   SHOEI MARU Converted Gunboat 1,986 5-45S, 104-43E Great
Britain
Submarine Sunk
  16   JUSAN MARU Cargo 2,111 27-35N, 141-35E United
States
Submarine Sunk
  19   GYOSHIN MARU Tanker 2,854 3-14N, 103-40E Japan Marine Casualty Sunk
  19   HIDA MARU Cargo 5,320 22-17N, 114-10E United
States
Army Aircraft Sunk
  19   SHINFUKU MARU Cargo 2,204 13-40N, 115-50E United
States
Navy Land-
Based Aircraft
Sunk
  19   HIROSHI MARU NO 3 Cargo 940 44-56N, 147-39E Unknown Submarine Sunk
  20   YAEI MARU NO 6 Tanker 834 1-07S, 104-34E Japan Marine Casualty Sunk
  20   SHOEKI MARU Converted Net Tender 898 7-00S, 120-00E Netherlands Aircraft Sunk
  20   MAMIYA Collier 7,000e 17-48N, 114-09E United
States
Submarine Sunk
  22   OMUROSAN MARU Tanker 9,204 15-04N, 109-06E United
States
Submarine Sunk
  22   OTOWASAN MARU Tanker 9,204 15-04N, 109-06E United
States
Submarine Sunk
  22   ARITA MARU Tanker 10,238 15-04N, 109-06E United
States
Submarine Sunk
  23   KENZUI MARU Cargo 4,156 16-50N, 120-18E United
States
Submarine Sunk
  25   JUNPO MARU Cargo 4,277 1-10N, 108-20E United
States
Submarine Sunk
  27   DAICHO MARU Cargo 1,135 6-06S, 106-53E Japan Marine Casualty Sunk
  28   NOZAKI Collier 1,000e 12-39N, 109-30E United
States
Submarine Sunk
  30   AOBASAN MARU Cargo 8,811 17-18N, 119-25E United
States
Army Aircraft Sunk
  30   MURORAN MARU Cargo 5,374 17-18N, 119-25E United
States
Army Aircraft Sunk
  30   TEIKAI MARU Cargo 7,691 17-18N, 119-25E United
States
Army Aircraft Sunk
  31   UNRYU MARU Cargo 2,515 11-40N, 93-15E Great
Britain
Submarine Sunk
        43 Vessels 188,287        
January 1 1945 KYOKKO MARU Cargo 593 12-26N, 98-38E Great
Britain
Mine Sunk
  2   HAKKA MARU Cargo 889 16-37N, 120-19E United
States
Army Aircraft Sunk
  2   HISHIGATA MARU Cargo 2,833 16-37N, 120-19E United
States
Army Aircraft Sunk
  2   MEIRYU MARU Cargo 4,739 16-37N, 120-19E United
States
Army Aircraft Sunk
  2   TAISHIN MARU Cargo 534 17-00N, 120-19E United
States
Army Aircraft Sunk
  3   IWATO MARU Cargo 526 24-36N, 121-50E United
States
Navy Carrier-
Based Aircraft
Sunk
  3   KINREI MARU Cargo 1,300 25-09N, 121-47E United
States
Navy Carrier-
Based Aircraft
Sunk
  3   YAEI MARU Cargo 1,941 30-29N, 142-03E United
States
Submarine Sunk
  3   SHIBAZONO MARU Passenger-Cargo 1,831 30-29N, 142-03E United
States
Submarine Sunk
  3   SHINSHU MARU Aircraft Ferry 8,170 21-57N, 119-44E United
States
Navy Carrier-
Based Aircraft
Submarine
Sunk
  5   SHOTO MARU Cargo 572 Off Bonin Island United
States
Unknown Sunk

--78--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 5 1945 SHUNSEN MARU Cargo 971 5-00S, 112-16E United
States
Submarine Sunk
  5   KANKO MARU Converted Net Tender 909 5-00S, 112-16E United
States
Submarine Sunk
  6   NITTEI MARU Cargo 2,787 37-00N, 136-00E Japan Marine Casualty Sunk
  6   NANSHIN MARU NO 10 Tanker 834e 18-00N, 120-25E United
States
Navy Carrier-
Based Aircraft
Sunk
  6   KYODO MARU Tanker 1,090 18-08N, 120-35E United
States
Navy Carrier-
Based Aircraft
Sunk
  6   KYOEI MARU NO. 10 Tanker 1,180 18-08N, 120-35E United
States
Navy Carrier-
Based Aircraft
Sunk
  6   KYOEI MARU NO. 6 Tanker 1,178 18-08N, 120-35E United
States
Navy Carrier-
Based Aircraft
Sunk
  6   NICHIEI MARU Tanker 10,020 6-57N, 102-57E United
States
Submarine Sunk
  6   TARAKAN MARU Tanker 5,135 19-40N, 111-24E United
States
Submarine Sunk
  7   SHINSEI MARU Cargo 4,740 22-40N, 118-45E United
States
Army Aircraft Sunk
  8   SEIKAI MARU NO. 2 Cargo 550 26-35N, 142-08E United
States
Army Mine Sunk
  8   DAIGO MARU Cargo 5,244 34-28N, 122-39E United
States
Submarine Sunk
  8   SHINYO MARU Cargo 5,892 24-31N, 120-28E United
States
Submarine Sunk
  8   ANYO MARU Passenger-Cargo 9,256 24-54N, 120-26E United
States
Submarine Sunk
  8   SANYO MARU Tanker 2,854 24-54N, 120-26E United
States
Submarine* Sunk
  8   HIKOSHIMA MARU Tanker 2,854 24-37N, 120-30E United
States
Submarine Sunk
  9   SHINKO MARU NO. 1 Converted Gunboat 934 3-46S, 111-54E Netherlands Submarine Sunk
  9   FUKUYAMA MARU Cargo 6,040 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   HISAGAWA MARU Cargo 6,886 23-04N, 119-57E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   KAIHO MARU Tanker 10,239 22-47N, 120-11E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   NANSHIN MARU NO 4 Tanker 834e 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   AKASHI MARU Tanker 10,045 10-20N, 107-05E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   AYANAMI MARU Tanker 2,864 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   AYAYUKI MARU Tanker 2,854 11-10N, 108-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   BANSHU MARU NO. 63 Tanker 533 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   CHEFO MARU Passenger-Cargo 3,218 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   DAIKYU MARU Cargo 1,517 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   EIHO MARU Tanker 5,209 11-10N, 108-55E United
States
Navy Carrier-
Based Aircraft
Sunk
* Probable Agent

--79--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 12 1945 EIMAN MARU Tanker 6,968 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   FRANCE MARU Passenger-Cargo 5,828 9-10N, 107-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   HORAI MARU NO 9 Tanker 834 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   IKUTAGAWA MARU Cargo 4,013 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KANJU MARU Transport 7,267 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KENEI MARU Cargo 4,815 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KENSEI MARU Cargo 4,646 11-10N, 108-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KIYO MARU Passenger-Cargo 4,428 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KOSHIN MARU Tanker 2,855 11-10N, 108-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   OTSUYAMA MARU Cargo 6,857 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   RYUSHO MARU Tanker 2,863 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   SAN LUIS MARU Tanker 7,268 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   NANRYU MARU NO 2 Tanker 834 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KUMAGAWA MARU Passenger-Cargo 7,508 10-20N, 107-05E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KYOEI MARU NO 7 Cargo 1,160 9-24N, 106-48E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   KYOKUUN MARU Tanker 10,045 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   TOYU MARU Cargo 4,532 11-10N, 108-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   YOSHU MARU Cargo 5,711 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   YUSEI MARU Cargo 600 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   TATEBE MARU Cargo 4,519 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   TATSUBATO MARU Cargo 5,396 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   SHINGI MARU Cargo 6,888 9-10N, 107-00E United
States
Navy Carrier-
Based Aircraft
Sunk

--80--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 12 1945 SHINSEI MARU Cargo 2,880 10-20N, 107-05E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   SHINSEI MARU NO 17 Passenger-Cargo 2,556 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   SHOEI MARU Cargo 2,764 14-15N, 109-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  12   TAIPOSEK Cargo 1,960 10-46N, 106-42E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   AKATSUKI MARU Cargo 910 29-00N, 116-00E United
States
Army Aircraft Sunk
  15   MIRII MARU Tanker 10,564 22-45N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  16   DOSEI MARU Cargo 10,893 22-20N, 114-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  16   ANRI GO NO 2 Cargo 1,026 22-20N, 114-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  16   HARIMA MARU Tanker 10,045 18-11N, 109-33E United
States
Navy Carrier-
Based Aircraft
Sunk
  16   SANKO MARU Tanker 5,948 22-20N, 114-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  16   MATSUSHIMA MARU Tanker 10,488 22-20N, 114-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  16   TENEI MARU Tanker 10,241 22-20N, 114-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   REIZAN MARU Passenger-Cargo 3,426 30-11N, 115-07E United
States
Army Mine Sunk
  20   SHURI MARU Motor Torpedo Boat Tender 1,857 33-37N, 128-40E United
States
Submarine Sunk
  21   HARUTA MARU Cargo 1,500 22-20N, 114-10E United
States
Army Aircraft Sunk
  21   EIHO MARU Tanker 5,068 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  21   HOEI MARU NO 3 Tanker 865e 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  21   MUNAKATA MARU Tanker 10,045 25-09N, 121-45E United
States
Navy Carrier-
Based Aircraft
Sunk
  21   NICHIYU MARU NO 2 Cargo 6,859 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  21   MANJU MARU Tanker 6,515 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  21   KUROSHIO MARU Tanker 10,518 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  21   YAMAZAWA MARU Cargo 6,889 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  21   TEIFU MARU Passenger-Cargo 7,110 22-37N, 121-15E United
States
Navy Carrier-
Based Aircraft
Sunk

--81--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 21 1945 SHINCHO MARU Tanker 5,135 22-37N, 120-15E United
States
Navy Carrier-
Based Aircraft
Sunk
  22   HIKOSAN MARU Cargo 2,073 26-39N, 127-53E United
States
Navy Carrier-
Based Aircraft
Sunk
  23   HOZAN MARU NO 1 Tanker 868 4-08N, 98-15E Great
Britain
Mine Sunk
  23   NIKKAKU MARU Cargo 1,946 4-08N, 98-15E Great
Britain
Mine Sunk
  23   TAIKYO MARU Cargo 5,244 27-04N, 120-27E United
States
Submarine Sunk
  24   YONEYAMA MARU NO 1 Cargo 584 24-50N, 141-22E United
States
Surface Craft Sunk
  24   TAIMAN MARU NO 1 Cargo 6,888 36-47N, 123-59E United
States
Submarine Sunk
  25   BEIJU MARU Converted Water Carrier 539 25-09N, 121-45E United
States
Navy Land-
Based Aircraft*
Probably sunk
  25   MALAY MARU Cargo 4,556 31-18N, 130-08E United
States
Submarine Sunk
  26   TAMON MARU NO 15 Cargo 6,925 13-34N, 109-17E United
States
Navy Mine Sunk
  27   HSIN YANG MARU Cargo 1,674 29-40N, 115-52E United
States
Army Mine Sunk
  27   RYUZAN MARU Passenger-Cargo 2,482 29-46N, 116-52E United
States
Army Mine Sunk
  28   SANUKI MARU Converted Seaplane Tender 7,158 33-56N, 123-06E United
States
Submarine Sunk
  29   CLYDE MARU Passenger-Cargo 5,497 25-33N, 120-54E United
States
Submarine Sunk
  30   ISSEI MARU Passenger-Cargo 1,864 33-30N, 135-31E United
States
Submarine Sunk
  31   TAIETSU MARU Cargo 6,890 14-55N, 109-01E United
States
Army Aircraft, Submarine Sunk
  31   ENKI MARU Cargo 6,968 14-55N, 109-01E United
States
Submarine Sunk
        101 Vessels 434,648        
February 1 1945 SHIRETOKO Tanker 6,500 1-20N, 109-50E United
States
Army Aircraft Sunk
  1   NISSHO MARU NO 16 Converted Submarine Chaser 1,173 35-00N, 125-00E Japan Mine Sunk
  2   KATSUURA MARU Passenger-Cargo 1,735 25-37N, 119-47E Japan Marine Casualty Sunk
  2   NANSHIN MARU NO 19 Tanker 834e 5-40N, 103-17E United
States
Submarine Sunk
  3   NISSEI MARU Cargo 833 Japan Sea Unknown Unknown Probably sunk
  3   NANRYU MARU NO 3 Tanker 834e 24-28N, 118-13E United
States
Navy Land-
Based Aircraft
Sunk
  4   TAIRAI MARU Passenger-Cargo 4,273 37-18N, 125-22E United
States
Submarine Sunk
  6   KINYU MARU NO 3 Cargo 834 12-50N, 109-23E United
States
Army Aircraft Sunk
  6   OEI MARU Tanker 2,858 1-00N, 103-36E United
States
Army Mine Sunk
  6   ENGEN MARU Cargo 6,968 6-29N, 106-11E United
States
Submarine Sunk
  6   SHOHEI MARU Passenger-Cargo 1,092 38-44N, 121-23E United
States
Submarine Sunk
  7   TAIGYO MARU Cargo 6,892 7-03N, 106-05E United
States
Submarine Sunk
  7   OKINOYAMA MARU Cargo 984 29-09N, 129-45E United
States
Submarine Sunk
  8   EIFUKU MARU Passenger-Cargo 3,520 7-04N, 104-46E United
States
Submarine Sunk
  9   HEKISUI MARU Cargo 572 23-28N, 119-40E United
States
Navy Land-
Based Aircraft
Sunk
  10   WAKA MARU Cargo 2,036 35-40N, 126-20E Japan Marine Casualty Sunk
  14   YAMANAMI MARU Cargo 882 33-56N, 131-00E Japan Mine Sunk
* Probable Agent

--82--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 16 1945 IIDA MARU Cargo 1,105 10-20N, 107-06E United
States
Navy Land-
Based Aircraft
Sunk
  17   DAIBI MARU Cargo 531 27-05N, 142-12E United
States
Navy Carrier-
Based Aircraft
Sunk
  17   YAMASHITA MARU Cargo 10,605 35-22N, 139-37E United
States
Navy Carrier-
Based Aircraft
Sunk
  20   DAIZEN MARU Cargo 5,396 00-42S, 106-18E United
States
Submarine Sunk
  20   EIYO MARU Tanker 8,673 11-17N, 109-00E United
States
Submarine Sunk
  21   FUKUSEI MARU Cargo 1,232 41-00N, 142-00E Japan Marine Casualty Sunk
  21   TAIRIKU MARU Cargo 2,325 35-24N, 125-23E United
States
Submarine Sunk
  22   TATEKAWA MARU NO 2 Tanker 10,000 11-08N, 108-44E United
States
Army Aircraft Army Mine Sunk
  22   NICHIYOKU MARU Tanker 1,945 11-28N, 109-06E United
States
Submarine Sunk
  24   YULIN MARU Cargo 1,893 13-48N, 109-14E Japan Marine Casualty Sunk
  24   KYURYU MARU Cargo 1,339 13-45N, 100-35E Great
Britain
Mine Sunk
  24   TATSUMOMO MARU Cargo 880e 32-40N, 132-33E United
States
Submarine Sunk
  24   USUKI MARU Cargo 875e 33-58N, 136-18E United
States
Submarine Sunk
  25   KOHO MARU Cargo 850 20-04N, 111-22E United
States
Submarine Sunk
  26   TAKASAGO MARU NO 9 Tanker 834 20-01N, 111-44E United
States
Army Aircraft Sunk
  26   AMATO MARU Tanker 10,238 11-57N, 109-18E United
States
Submarine Sunk
        33 Vessels 101,541        
March    1 1945 EIJO MARU Cargo 6,862 36-09N, 120-30E Japan Marine Casualty Sunk
  1   CHOHAKUZAN MARU Converted Gunboat 2,132 26-30N, 127-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   KINZAN MARU Cargo 2,220 28-24N, 129-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   RYUYU MARU Cargo 731 28-09N, 129-19E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   SEKIYO MARU Cargo 629 26-13N, 127-41E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   LUZON MARU Passenger-Cargo 1,679 28-24N, 129-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   TOYOSAKA MARU Cargo 1,966 24-46N, 125-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   HOSHI MARU NO 11 Cargo 1,944 26-13N, 127-41E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   DAISHIN MARU Cargo 1,306 26-30N, 127-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  1   TAIKEN MARU Cargo 2,220e 24-45N, 125-20E United
States
Navy Carrier-
Based Aircraft
Sunk

--83--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March    1 1945 TATEYAMA MARU Cargo 1,148 34-11N, 139-43E United
States
Submarine Sunk
  2   KASEI MARU Cargo 2,220 Off Japan Unknown Unknown Sunk
  2   EISHO MARU Tanker 2,850 18-32N, 108-11E United
States
Army Aircraft Sunk
  2   HOKUHI MARU Cargo 1,500 23-35N, 119-35E United
States
Army Aircraft Sunk
  2   NICHIRIN MARU Cargo 1,020 27-10N, 124-35E United
States
Navy Land-
Based Aircraft
Sunk
  3   YAEI MARU NO 1 Cargo 834 20-10N, 109-31E United
States
Army Aircraft Sunk
  3   SUITEN MARU Cargo 2,500 6-29S, 112-48E United
States
Submarine Sunk
  3   NISSHO MARU NO 2 Converted Gunboat 1,386 34-05N, 139-54E United
States
Submarine Sunk
  4   PALEMBANG MARU Tanker 5,236 12-52N, 109-30E United
States
Submarine Sunk
  5   SHOTO MARU Cargo 887 15-32N, 108-37E United
States
Army Aircraft Sunk
  5   RYOEI MARU Tanker 10,016 16-46N, 108-41E United
States
Submarine Sunk
  5   SHOYU MARU Cargo 853 5-42S, 114-02E United
States
Submarine Sunk
  5   NAGARA MARU Cargo 856 5-41S, 114-01E United
States
Submarine Sunk
  5   MANYO MARU Converted Gunboat 2,904 5-56S, 113-45E United
States
Submarine Sunk
  6   RIKKO MARU Tanker 9,181 25-09N, 121-44E Japan Marine Casualty Sunk
  6   HOKUSUI MARU Cargo 3,944 41-27N, 140-15E Japan Mine* Sunk
  6   SEIKAN MARU NO 5 Transport 2,792 40-50N, 140-45E Japan Mine Sunk
  7   HOYO MARU Cargo 946 13-00N, 98-00E United
States
Army Aircraft Sunk
  8   TANGYANG MARU Passenger-Cargo 1,573 30-33N, 114-17E United
States
Army Aircraft Sunk
  8   ISHIMA MARU Cargo 839 22-34N, 114-53E United
States
Army Aircraft Sunk
  10   SEISHIN MARU Tanker 5,239 16-02N, 108-20E United
States
Army Aircraft Sunk
  10   KEIZAN MARU Cargo 2,116 29-31N, 127-55E United
States
Submarine Sunk
  10   SANKA MARU Cargo 2,495 29-31N, 127-55E United
States
Submarine Sunk
  10   DOKAN MARU Cargo 2,270 29-31N, 127-55E United
States
Submarine Sunk
  11   WAYO MARU Converted Water Carrier 2,726 21-38N, 114-06E United
States
Navy Land-
Based Aircraft
Sunk
  11   KOKO MARU Cargo 1,520 31-22N, 121-34E United
States
Army Mine* Sunk
  11   SHORI MARU Cargo 3,087 34-29N, 127-55E United
States
Submarine Sunk
  13   MASASHIMA MARU Cargo 2,742 23-30N, 117-10E United
States
Army Aircraft Sunk
  16   NANRYU MARU NO 1 Tanker 834e 29-07N, 122-01E United
States
Navy Land-
Based Aircraft
Sunk
  17   IKOMASAN MARU Passenger-Cargo 3,173 26-08N, 119-56E United
States
Navy Carrier-
Based Aircraft
Submarine
Sunk
  17   NAGASAKI MARU NO 3 Cargo 873 33-33N, 129-53E Japan Marine Casualty Sunk
  17   BANSEI MARU Cargo 3,120 31-19N, 121-45E United
States
Army Mine Sunk
  17   SAMUI Tanker 1,458 5-18N, 103-23E United
States
Submarine Sunk
  17   NANKING MARU Passenger-Cargo 3,005 25-34N, 120-01E United
States
Submarine Sunk
  18   KENYO MARU Cargo 2,217 31-35N, 130-40E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   NANSEI MARU NO 1 Tanker 834 31-35N, 130-40E United
States
Navy Carrier-
Based Aircraft
Sunk
* Probable Agent

--84--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March    18 1945 TSUKUSHI MARU NO 3 Cargo 1,012 28-05N, 126-44E United
States
Submarine* Sunk
  19   SARAWAK MARU Tanker 5,135 1-20N, 104-34E United
States
Army Mine Sunk
  19   KOZAN MARU Cargo 3,923 32-05N, 119-56E United
States
Army Mine Sunk
  19   HAKOZAKI MARU Transport 10,413 33-09N, 122-08E United
States
Submarine Sunk
  20   FUKUSEI MARU Cargo 500e 23-45N, 117-38E United
States
Army Aircraft Sunk
  20   HEISHIN MARU Cargo 1,577 23-45N, 117-38E United
States
Army Aircraft Sunk
  20   YAMAKUNI MARU Cargo 500 11-17N, 108-55E United
States
Submarine Sunk
  20   NANSHIN MARU NO 21 Tanker 834 11-17N, 108-55E United
States
Submarine Sunk
  20   HOSEN MARU Cargo 1,039 11-17N, 108-55E United
States
Submarine Sunk
  21   FUSHIMI MARU NO 2 Cargo 779 11-50N, 109-18E United
States
Army Aircraft Sunk
  21   TAKASAGO MARU NO 6 Tanker 834 11-50N, 109-18E United
States
Army Aircraft Sunk
  21   KAINAN MARU Converted Submarine Chaser 524 11-55N, 109-18E United
States
Submarine Sunk
  23   PEIHUA Cargo 1,380 29-14N, 122-03E United
States
Army Aircraft Sunk
  23   KACHAOSAN MARU Cargo 2,427 28-40N, 128-50E United
States
Navy Carrier-
Based Aircraft
Sunk
  23   DORYO MARU Cargo 2,274 29-31N, 127-41E United
States
Submarine Sunk
  24   KOSHIN MARU Cargo 765 5-40S, 122-49E United
States
Army Aircraft Sunk
  24   CHOKAI MARU Cargo 1,284 26-13N, 127-39E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KAIJO MARU Passenger-Cargo 2,025 28-25N, 124-32E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KOSHU MARU Passenger-Cargo 2,812 28-25N, 124-32E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   SOKA MARU Passenger-Cargo 2,813 28-25N, 124-32E United
States
Navy Carrier-
Based Aircraft
Sunk
  25   HOULEE Cargo 1,339 31-11N, 122-23E United
States
Army Aircraft Sunk
  25   OKINOYAMA MARU NO 5 Cargo 2,543 26-13N, 127-39E United
States
Navy Carrier-
Based Aircraft
Sunk
  25   FUJI MARU Tanker 703 31-08N, 130-30E United
States
Submarine Sunk
  26   RISUI MARU Cargo 1,500 10-35N, 94-45E Great
Britain
Aircraft Surface Craft Sunk
  26   ENOURA MARU Cargo 6,968 22-37N, 120-15E United
States
Army Aircraft Sunk
  26   KISHU MARU Cargo 2,548 22-37N, 120-15E United
States
Army Aircraft Sunk
  26   DAIA MARU Cargo 1,942 28-13N, 129-16E United
States
Navy Carrier-
Based Aircraft
Sunk
  26   SHINTO MARU NO 1 Cargo 880e 35-14N, 123-44E United
States
Submarine Sunk
  28   ASOKAWA MARU Cargo 6,925 12-32N, 109-08E United
States
Army Aircraft Sunk
  28   MEIHO MARU Cargo 2,857 25-00N, 121-00E United
States
Army Aircraft Sunk
  28   HONAN MARU Tanker 5,542 12-39N, 109-27E United
States
Submarine Sunk
  28   NASE MARU Cargo 1,218 32-15N, 129-55E United
States
Submarine Sunk
  29   ESASHI MARU Converted Salvage Vessel 1,135 Off Formosa United
States
Unknown Sunk
  29   IWAKUNI MARU Tanker 2,860 22-40N, 120-15E United
States
Army Aircraft Sunk
  29   KAIKO MARU Cargo 956 15-14N, 109-26E United
States
Army Aircraft Sunk
        81 Vessels 194,649        
*Probable Agent

--85--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
April           1 1945 AWA MARU Passenger-Cargo 11,600 25-25N, 120-07E United
States
Submarine Sunk
  2   TAIJO MARU Cargo 6,866 34-18N, 124-04E United
States
Submarine Sunk
  2   EDOGAWA MARU Cargo 1,972 34-18N, 124-04E United
States
Submarine Sunk
  2   NISSHIN MARU Cargo 1,179 34-18N, 124-04E United
States
Submarine Sunk
  3   IMARI MARU Cargo 880e 33-45N, 129-42E United
States
Navy Carrier-
Based Aircraft
Probably sunk
  3   HEIKEI MARU Cargo 2,750 22-17N, 114-10E United
States
Army Aircraft Sunk
  3   SHOZAN MARU Cargo 2,172 22-17N, 114-10E United
States
Army Aircraft Sunk
  3   NANSHIN MARU NO 30 Tanker 834e 12-16N, 109-10E United
States
Navy Land-
Based Aircraft
Sunk
  3   YAMABISHI MARU NO 18 Cargo 880e 34-00N, 131-00E United
States
Army Mine Sunk
  4   HOREI MARU Tanker 658 23-32N, 119-34E United
States
Army Aircraft Sunk
  4   KINYU MARU NO 2 Tanker 834 23-32N, 119-34E United
States
Army Aircraft Sunk
  4   HOZAN MARU Cargo 1,175 33-45N, 131-46E United
States
Army Mine Sunk
  5   SHINTO MARU NO 2 Converted Net Tender 540 Off Okinawa United
States
Unknown Sunk
  5   KINE MARU Cargo 2,193 22-45N, 116-10E United
States
Army Aircraft Sunk
  5   TOKAI MARU NO 2 Cargo 839 22-24N, 115-28E United
States
Navy Land-
Based Aircraft
Sunk
  5   NICHINAN MARU NO 13 Cargo 880 33-58N, 131-02E United
States
Army Mine Sunk
  6   FUSHIMI MARU Passenger-Cargo 1,229 33-59N, 130-52E United
States
Army Mine Sunk
  6   HSING YUN MARU Passenger-Cargo 3,414 32-05N, 119-56E United
States
Army Mine Sunk
  6   ARAOSAN MARU Cargo 6,886 9-37N, 102-48E United
States
Submarine Sunk
  7   HATSUKARI MARU Cargo 875 33-55N, 130-50E United
States
Army Mine Sunk
  8   TAMON MARU NO 12 Cargo 2,220 31-16N, 121-45E United
States
Army Mine Sunk
  9   NIKKO MARU Transport 5,057 36-50N, 123-55E United
States
Submarine Sunk
  9   LEE TUNG Cargo 1,853 37-21N, 125-08E United
States
Submarine Sunk
  10   HOSEI MARU Tanker 696 5-25S, 106-39E Netherlands Submarine Sunk
  10   MARUKO MARU Cargo 3,000e 31-15N, 121-29E United
States
Army Mine Sunk
  13   NANSHIN MARU NO 12 Cargo 865 4-00S, 116-20E United
States
Army Aircraft Sunk
  13   SHINRO MARU Cargo 877 33-58N, 131-02E United
States
Army Mine Sunk
  14   TAKKO MARU Cargo 901 31-14N, 121-30E United
States
Army Aircraft Sunk
  14   KAKO MARU Cargo 762 5-19S, 117-06E United
States
Submarine Sunk
  14   JUZAN MARU Passenger-Cargo 3,943 33-25N, 126-15E United
States
Submarine Sunk
  15   SANNAN MARU NO 3 Cargo 873 33-58N, 131-02E United
States
Army Mine Sunk
  16   TOKO MARU Cargo 6,850 33-24N, 139-31E United
States
Submarine Sunk
  16   MANRYU MARU Cargo 1,620 39-36N, 142-05E United
States
Submarine Sunk
  17   SONJO MARU Cargo 800 31-13N, 121-52E United
States
Army Mine Sunk
  18   TEIZUI MARU Cargo 8,426 34-03N, 130-50E United
States
Army Mine Sunk
  19   SHONAN MARU Tanker 1,029 3-55N, 98-49E Japan Marine Casualty Sunk
  19   HAGANE MARU Cargo 1,901 33-35N, 135-23E United
States
Submarine Sunk
  19   KAIHO MARU Cargo 1,093 42-22N, 142-16E United
States
Submarine Sunk
  19   TAISEI MARU Cargo 1,948 42-23N, 142-13E United
States
Submarine Sunk
  20   SANKO MARU Cargo 847 33-48N, 131-00E United
States
Army Mine Sunk
  20   YAMAMITSU MARU Cargo 876 34-32N, 128-44E Japan Army Mine Sunk
  23   TAMAE MARU Cargo 937 34-35N, 135-27E Japan Marine Casualty Sunk

--86--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
April 27 1945 IRAKO MARU Cargo 880 39-26N, 142-03E Japan Marine Casualty Sunk
  27   KAIHO MARU Cargo 2,563 34-00N, 130-50E United
States
Army Mine Sunk
  28   TAKASAGO MARU Tanker 1,116 6-48N, 101-36E Great
Britain
Submarine Sunk
  28   TAKASAGO MARU NO 8 Tanker 834 10-49N, 106-41E United
States
Army Aircraft Sunk
  28   GAKUJO MARU Cargo 2,220 34-00N, 130-50E United
States
Army Mine Sunk
  29   TEISHU MARU Converted Submarine Tender 1,230 4-11S, 111-17E United
States
Submarine Sunk
  29   TAISHU MARU Cargo 6,925 39-15N, 141-58E United
States
Submarine Sunk
  30   KUNIKAWA MARU Converted Seaplane Tender 6,863 1-15S, 116-50E United
States
Army Aircraft Sunk
  30   YUNO MARU Tanker 2,345 00-58S, 104-31E Great
Britain
Mine Sunk
  30   MIHO MARU Cargo 4,667 34-20N, 123-58E United
States
Submarine Sunk
        52 Vessels 125,673        
May 1 1945 KOMADORI MARU Tanker 880e 34-35N, 126-00E United
States
Navy Land-
Based Aircraft
Sunk
  1   KYOGYOKU MARU Cargo 6,859 34-35N, 126-00E United
States
Navy Land-
Based Aircraft
Sunk
  1   CHOWA MARU Passenger-Cargo 2,719 41-06N, 144-28E United
States
Submarine Sunk
  2   TORYU MARU Cargo 1,992 37-22N, 123-43E United
States
Submarine Sunk
  4   TOKACHI MARU Converted Submarine Chaser 500 8-50N, 104-50E United
States
Army Aircraft Sunk
  4   SHINPEN MARU Cargo 884 39-28N, 142-04E United
States
Submarine Sunk
  4   YAEI MARU NO 2 Tanker 834 2-00N, 105-00E United
States
Army Mine Sunk
  5   NANYO MARU NO 9 Tanker 834 34-50N, 126-30E United
States
Navy Land-
Based Aircraft
Sunk
  5   TAKASAGO MARU NO 11 Tanker 834 34-40N, 127-30E United
States
Navy Land-
Based Aircraft
Probably sunk
  5   TAIUN MARU NO 9 Cargo 1,004 34-00N, 130-00E United
States
Navy Land-
Based Aircraft
Sunk
  5   TAKASAGO MARU NO 15 Tanker 834e 35-32N, 126-20E United
States
Navy Land-
Based Aircraft
Sunk
  5   MANSHU MARU Cargo 5,266 33-47N, 131-35E United
States
Army Mine Sunk
  6   NAKAGAWA MARU Transport 6,886 34-30N, 127-00E United
States
Navy Land-
Based Aircraft
Sunk
  6   TORA MARU NO 1 Tanker 503 36-00N, 129-05E United
States
Navy Land-
Based Aircraft
Sunk
  6   EIKO MARU Passenger-Cargo 1,164 36-26N, 126-37E United
States
Navy Land-
Based Aircraft*
Sunk
  6   SHINCHIYO MARU Cargo 6,872 34-19N, 132-26E United
States
Navy Land-
Based Aircraft*
Sunk
  6   SAGAMIGAWA MARU Cargo 6,880 34-00N, 130-50E United
States
Army Mine Sunk
  6   KINREI MARU Tanker 850 8-15N, 102-15E United
States
Submarine Sunk
  7   HAKKO MARU Cargo 1,030 5-08S, 119-24E United
States
Army Aircraft Sunk
  7   KENZAN MARU Converted Gunboat 950 00-08S, 119-24E United
States
Army Aircraft Sunk
* Probable Agent

--87--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         7 1945 HOGI MARU NO 7 Tanker 834 34-30N, 126-00E United
States
Navy Land-
Based Aircraft
Sunk
  7   KABA MARU Cargo 884 34-00N, 130-00E United
States
Navy Land-
Based Aircraft
Sunk
  7   KOZAN MARU NO 2 Cargo 6,886 35-15N, 126-03E United
States
Navy Land-
Based Aircraft
Sunk
  7   TATSUCHIYO MARU Cargo 6,873 34-00N, 126-00E United
States
Navy Land-
Based Aircraft
Sunk
  7   HARUSHIO MARU Cargo 1,989 34-06N, 130-47E United
States
Army Mine Sunk
  7   KASHIMA MARU Cargo 870 34-02N, 130-54E United
States
Army Mine Sunk
  7   TEIKA MARU Passenger-Cargo 8,009 34-06N, 130-47E United
States
Army Mine Sunk
  7   SHOFUKU MARU Passenger-Cargo 1,768 33-59N, 130-52E United
States
Army Mine Sunk
  8   KOTOBUKI MARU Passenger-Cargo 18,765 34-30N, 126-30E United
States
Army Mine* Sunk
  8   DAITO MARU NO 3 Cargo 880 39-37N, 142-07E United
States
Submarine Sunk
  10   TOYU MARU NO 1 Tanker 834 34-34N, 128-58E United
States
Navy Land-
Based Aircraft
Sunk
  10   TATSUWA MARU Passenger-Cargo 6,332 34-05N, 132-27E United
States
Army Mine Sunk
  11   AITOKU MARU Cargo 1,328 50-42N, 156-13E United
States
Army Aircraft Sunk
  11   SEIRI MARU Cargo 1,200 34-17N, 126-50E United
States
Navy Land-
Based Aircraft
Sunk
  11   SHINZAN MARU Cargo 880 34-15N, 127-10E United
States
Navy Land-
Based Aircraft
Sunk
  11   KITSURIN MARU Passenger-Cargo 6,783 34-39N, 135-11E United
States
Army Mine Sunk
  11   TAMAE MARU Cargo 1,282 34-06N, 130-47E United
States
Army Mine Sunk
  12   CHILE MARU Passenger-Cargo 5,859 34-25N, 129-40E United
States
Navy Land-
Based Aircraft
Sunk
  12   FUNAKAWA MARU NO 2 Tanker 887 34-37N, 128-00E United
States
Navy Land-
Based Aircraft
Sunk
  12   TAKASAGO MARU NO 13 Tanker 834e 36-12N, 126-03E United
States
Navy Land-
Based Aircraft
Sunk
  12   BRAZIL MARU Cargo 5,859 34-40N, 135-12E United
States
Army Mine Sunk
  12   NISSHO MARU NO 1 Cargo 1,362 34-06N, 130-47E United
States
Army Mine Sank
  12   MANBO MARU Cargo 1,253 34-30N, 135-10E United
States
Army Mine Sunk
  12   REKIZAN MARU Cargo 1,311 37-23N, 123-42E United
States
Submarine Sunk
  13   YOSEI MARU Tanker 2,500e 6-31S, 111-19E United
States
Submarine Sunk
  13   SHINNAN MARU Cargo 1,025 39-07N, 141-57E United
States
Submarine Sunk
  13   GYORYU MARU Cargo 2,180 34-40N, 135-10E United
States
Army Mine Sunk
  13   KINOTO MARU Cargo 1,561 34-39N, 135-11E United
States
Army Mine Sunk
  13   TAKASAGO MARU NO 2 Tanker 834 34-39N, 135-11E United
States
Army Mine Sunk
  14   SAMUKAZE MARU Cargo 886 34-42N, 127-30E United
States
Navy Land-
Based Aircraft
Sunk
  14   KUROKAMISAN MARU Cargo 1,243 34-42N, 127-30E United
States
Navy Land-
Based Aircraft
Sunk
  14   MIYAJIMA MARU Cargo 2,000 34-20N, 134-50E United
States
Army Mine Sunk
* Probable Agent

--88--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         15 1945 KEIUN MARU Passenger-Cargo 1,921 33-57N, 129-51E United
States
Navy Land-
Based Aircraft
Sunk
  15   HAKUTETSU MARU NO 3 Cargo 762 34-00N, 129-10E United
States
Navy Land-
Based Aircraft
Sunk
  15   KYODO MARU NO 1 Cargo 887 34-15N, 126-55E United
States
Navy Land-
Based Aircraft
Sunk
  15   ANKO MARU Cargo 2,821 34-30N, 134-47E United
States
Army Mine Sunk
  15   MISHIMA MARU Cargo 1,934 34-30N, 135-10E United
States
Army Mine Sunk
  15   TOTTORI MARU Passenger-Cargo 5,973 9-21N, 102-25E United
States
Submarine Sunk
  16   YAMANAMI MARU NO 5 Cargo 873 34-36N, 135-08E United
States
Army Mine Sunk
  16   EIJU MARU Cargo 2,455 37-39N, 124-11E United
States
Submarine Sunk
  17   KOAN MARU Cargo 4,305 34-38N, 135-11E United
States
Army Mine Sunk
  17   MIKAZUKI MARU Passenger-Cargo 1,412 32-05N, 119-56E United
States
Army Mine Sunk
  17   TAIRYU MARU Cargo 1,912 34-27N, 135-11E United
States
Army Mine Sunk
  17   CHOSAN MARU Cargo 3,939 35-41N, 126-17E United
States
Submarine Sunk
  18   ENKYO MARU Cargo 2,278 33-29N, 126-56E United
States
Navy Land-
Based Aircraft
Sunk
  18   NANKO MARU NO 5 Cargo 834 33-58N, 130-58E United
States
Army Mine Sunk
  19   TAISHIN MARU Cargo 6,850 35-00N, 130-00E Japan Marine Casualty Sunk
  19   KAIKO MARU Cargo 898 25-30N, 121-50E United
States
Navy Land-
Based Aircraft
Sunk
  20   KANAGAWA MARU Cargo 509 Yellow Sea Unknown Unknown Sunk
  20   TORAI MARU Cargo 647 26-00N, 122-00E United
States
Army Aircraft Sunk
  21   NIKKOSAN MARU Cargo 880e 35-07N, 140-10E United
States
Navy Land-
Based Aircraft
Sunk
  21   SANTEN MARU Cargo 1,210 33-57N, 133-16E United
States
Army Mine Sunk
  22   UWAJIMA MARU NO 25 Passenger-Cargo 744 34-20N, 134-20E United
States
Army Mine Sunk
  23   KIMIGAYO MARU Cargo 670 33-06N, 129-43E United
States
Army Mine Sunk
  23   SHINEI MARU NO 2 Cargo 882 33-58N, 131-02E United
States
Army Mine Sunk
  24   FUKUEI MARU Cargo 1,868 33-06N, 129-43E United
States
Army Mine Sunk
  24   KAISHIN MARU NO 14 Cargo 870 34-01N, 130-54E United
States
Army Mine Sunk
  24   NANKO MARU NO 7 Tanker 834 33-55N, 131-20E United
States
Army Mine Sunk
  24   TATSUINE MARU Cargo 873 33-58N, 131-02E United
States
Army Mine Sunk
  24   KIYOKAWA MARU Cargo 6,862 32-44N, 129-52E United
States
Army Mine* Sunk
  25   NITTEI MARU Cargo 1,000e 6-45S, 112-31E Great
Britain
Submarine Sunk
  25   AMOY MARU Passenger-Cargo 734 34-00N, 129-10E United
States
Army Aircraft Sunk
  25   GINZAN MARU Cargo 2,220 33-58N, 131-02E United
States
Army Mine Sunk
  25   GINSEI MARU Cargo 2,218 33-59N, 130-52E United
States
Army Mine Sunk
  25   HIWAKA MARU Cargo 891 33-58N, 131-02E United
States
Army Mine Sunk
  25   KINRYUZAN MARU Cargo 1,370 34-00N, 130-50E United
States
Army Mine Sunk
  25   KOEI MARU Cargo 882 33-58N, 131-01E United
States
Army Mine Sunk
  25   SHINRAGI MARU Cargo 3,032 33-58N, 131-02E United
States
Army Mine Sunk
  25   TOYU MARU NO 3 Cargo 834 33-55N, 131-20E United
States
Army Mine Sunk
* Probable Agent

--89--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         25 1945 TOBI MARU Cargo 878 33-58N, 130-52E United
States
Army Mine Sunk
  25   NITCHO MARU Cargo 549 34-01N, 130-54E United
States
Army Mine Probably sunk
  26   KOTOBUKI MARU NO 7 Cargo 991 33-18N, 129-20E United
States
Submarine Sunk
  26   KAISHIN MARU NO 9 Cargo 875 34-00N, 130-50E United
States
Army Mine Sunk
  26   NISSAN MARU NO 1 Cargo 6,889 33-58N, 130-52E United
States
Army Mine Sunk
  26   MIYAKAWA MARU NO 6 Cargo 872 33-58N, 131-02E United
States
Army Mine Sunk
  26   MOGI MARU Cargo 884 33-43N, 131-38E United
States
Army Mine Sunk
  26   KUNUKI MARU Cargo 884 34-39N, 131-11E United
States
Army Mine Sunk
  26   WASHIN MARU Cargo 1,870 33-56N, 131-10E United
States
Army Mine Sunk
  26   YOSHIN MARU Cargo 2,820 34-21N, 132-27E United
States
Army Mine Sunk
  26   SHIOKUBI MARU Cargo 3,747 33-56N, 131-11E United
States
Army Mine Sunk
  26   SHOZAN MARU Cargo 6,890 33-57N, 131-46E United
States
Army Mine Sunk
  27   TAIHYO MARU NO 2 Cargo 882 34-31N, 127-41E United
States
Navy Land-Based Aircraft Sunk
  27   CHIZAN MARU Cargo 884 34-39N, 135-11E United
States
Army Mine Sunk
  27   KONGO MARU Transport 7,081 33-36N, 130-25E United
States
Army Mine Sunk
  27   KOZAN MARU Cargo 882 33-30N, 130-30E United
States
Army Mine Sunk
  29   UWATSU MARU Cargo 882 34-00N, 130-50E United
States
Army Mine Sunk
  29   ETSUNAN MARU Cargo 880e 10-30N, 99-24E Great
Britain
Army Mine Sunk
  29   KURETAKE MARU Cargo 1,924 46-36N, 144-22E United
States
Submarine Sunk
  29   TENRYO MARU Cargo 2,231 46-36N, 144-22E United
States
Submarine Sunk
  30   HOKOKU MARU Cargo 520 4-09S, 114-16E United
States
Submarine Sunk
  30   FUJITAMA MARU Cargo 2,218 34-38N, 135-11E United
States
Army Mine Sunk
  30   HAKUUN MARU Cargo 594 33-36N, 130-25E United
States
Army Mine Sunk
  30   JINDAI MARU Passenger-Cargo 1,095 33-59N, 130-52E United
States
Army Mine Sunk
  30   TAKASAGO MARU NO 14 Tanker 834 35-15N, 133-44E United
States
Army Mine Sunk
  31   PEKING MARU Cargo 3,011 34-01N, 130-45E United
States
Army Mine Sunk
  31   YORO MARU NO 2 Cargo 2,231 33-58N, 130-56E United
States
Army Mine Sunk
  31   YUMIHARI MARU NO 3 Cargo 1,154 34-00N, 130-50E United
States
Army Mine Sunk
  31   TENSHO MARU Passenger-Cargo 601 34-35N, 135-15E United
States
Army Mine Sunk
        118 Vessels 270,703        
June         1 1945 TOBI MARU Cargo 982 4-53S, 115-48E Great
Britain
Submarine Sunk
  1   KIMIGAYO MARU NO 2 Passenger-Cargo 919 34-39N, 135-27E United
States
Unknown Aircraft Sunk
  1   ABUKUMAGAWA MARU Cargo 6,887 34-35N, 134-14E United
States
Army Mine Sunk
  1   GOKO MARU Cargo 873 33-58N, 130-41E United
States
Army Mine Sunk
  1   KASUMI MARU Cargo 1,274 33-58N, 130-59E United
States
Army Mine Sunk
  1   KENKON MARU NO 7 Cargo 880 33-58N, 130-56E United
States
Army Mine Sunk
  1   KISHUN MARU Cargo 1,864 33-56N, 130-56E United
States
Army Mine Sunk
  1   SEISHU MARU Cargo 1,223 34-45N, 137-05E United
States
Army Mine Sunk
  1   MYOSEI MARU Cargo 6,886 33-58N, 131-03E United
States
Army Mine Sunk
  1   YOKO MARU Tanker 956 34-30N, 135-10E United
States
Army Mine Sunk
  2   KASHIMA MARU Cargo 873 33-58N, 130-42E United
States
Army Mine Sunk

--90--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June 2 1945 EIKA MARU Passenger-Cargo 1,248 20-30N, 107-57E United
States
Submarine Sunk
  2   MIKAMISAN MARU Cargo 861 41-22N, 141-28E United
States
Submarine Sunk
  3   KONEI MARU Cargo 884 33-33N, 129-58E United
States
Army Mine Sunk
  3   MOMO MARU Cargo 884 34-20N, 134-20E United
States
Army Mine Sunk
  3   TAIEI MARU Cargo 6,923 33-56N, 131-11E United
States
Army Mine Sunk
  4   ANGTHONG GOO Transport 2,760 Gulf of Siam Unknown Unknown Sunk
  4   SUDDHADIB GOO Tanker 1,311 Gulf of Siam Unknown Unknown Sunk
  4   SHOBU MARU Cargo 882 34-20N, 129-30E United
States
Army Aircraft Sunk
  4   TAIU MARU Cargo 2,220 38-32N, 124-45E United
States
Submarine Sunk
  4   KIFUNE MARU Cargo 1,606 37-57N, 137-05E United
States
Army Mine Sunk
  4   SAWA MARU Cargo 1,264 33-59N, 130-52E United
States
Army Mine Sunk
  4   RYUJIN MARU Cargo 517 40-54N, 141-29E United
States
Submarine Sunk
  5   TAISHO MARU Cargo 1,122 33-58N, 130-52E United
States
Army Mine Sunk
  6   GASSAN MARU Cargo 887 34-00N, 130-50E United
States
Army Mine Sunk
  7   YUMIHARI MARU NO 2 Cargo 1,186 34-00N, 130-00E United
States
Army Mine Sunk
  7   AZUSA MARU Cargo 1,370 34-00N, 126-45E United
States
Submarine Sunk
  8   NANSHIN MARU NO 22 Tanker 834e 8-56N, 105-37E United
States
Submarine Sunk
  8   HAKUSA Converted Aircraft Ferry 3,841 8-56N, 105-37E United
States
Submarine Sunk
  9   HOKUTO MARU Cargo 2,215 40-54N, 139-48E United
States
Submarine Sunk
  9   INAURA MARU Cargo 873 34-00N, 131-00E United
States
Army Mine Sunk
  9   SAGAWA MARU Cargo 1,186 38-13N, 138-43E United
States
Submarine Sunk
  9   SHOYO MARU Cargo 2,211 38-11N, 138-45E United
States
Submarine Sunk
  9   WAKATAMA MARU Cargo 2,211 37-32N, 129-10E United
States
Submarine Sunk
  9   KAMISHIKA MARU Cargo 2,857 41-52N, 141-08E United
States
Submarine Sunk
  10   TADO MARU Cargo 887 36-00N, 125-00E United
States
Navy Land-
Based Aircraft
Sunk
  10   DAIKI MARU Cargo 2,217 40-44N, 139-48E United
States
Submarine Sunk
  10   HAKUYO MARU Cargo 1,391 47-25N, 149-04E United
States
Submarine Sunk
  10   TAGA MARU Cargo 2,220 41-40N, 129-52E United
States
Submarine Sunk
  10   DAIGEN MARU NO 2 Passenger-Cargo 1,999 43-21N, 140-40E United
States
Submarine Sunk
  10   UNKAI MARU NO 8 Passenger-Cargo 1,293 43-23N, 140-32E United
States
Submarine Sunk
  10   JINTSU MARU Passenger-Cargo 994 43-28N, 140-28E United
States
Submarine Sunk
  10   SHOEI MARU NO 6 Tanker 834 41-20N, 141-29E United
States
Submarine Sunk
  11   SHINYO MARU NO 3 Passenger-Cargo 1,898 39-23N, 128-59E United
States
Submarine Sunk
  11   HAKUSAN MARU Cargo 2,211 40-43N, 139-51E United
States
Submarine Sunk
  11   MEISEI MARU Passenger-Cargo 1,893 41-47N, 131-44E United
States
Submarine Sunk
  11   KOFUKU MARU Cargo 753 40-28N, 139-47E United
States
Submarine Sunk
  11   FUKUI MARU NO 2 Cargo 1,578 37-11N, 123-23E United
States
Submarine Sunk
  11   HAKUJU MARU Cargo 2,220 32-37N, 129-45E United
States
Submarine Sunk
  12   AIZAN MARU Cargo 2,221 33-38N, 130-22E United
States
Army Mine Sunk
  12   SHIMONOSEKI MARU Transport 527 33-36N, 130-19E United
States
Army Mine Sunk
  12   FUMITSUKI MARU Cargo 875 33-57N, 130-44E United
States
Army Mine Sunk
  12   SHINSEN MARU Cargo 880 40-09N, 139-43E United
States
Submarine Sunk
  12   YOZAN MARU Cargo 1,227 37-07N, 136-42E United
States
Submarine Sunk

--91--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June 12 1945 KENJO MARU Cargo 3,142 37-07N, 136-42E United
States
Submarine Sunk
  12   ZUIKO MARU Cargo 887 37-07N, 136-42E United
States
Submarine Sunk
  12   KEITO MARU Cargo 880 37-47N, 129-10E United
States
Submarine Sunk
  13   KAISHO MARU Cargo 887 35-49N, 126-25E United
States
Unknown Aircraft Probably sunk
  13   AKIURA MARU Cargo 887 39-13N, 128-07E United
States
Submarine Sunk
  13   HIYOSHI MARU Converted Gunboat 1,287 33-57N, 131-02E United
States
Army Mine Sunk
  13   MATSUO MARU Cargo 1,911 33-56N, 131-11E United
States
Army Mine Sunk
  13   KOUN MARU Cargo 1,665 23-30N, 113-30E United
States
Army Mine Sunk
  13   SHIRAHI MARU Cargo 6,872 33-57N, 130-55E United
States
Army Mine Sunk
  13   OSHIKAYAMA MARU Cargo 6,892 38-30N, 136-58E United
States
Submarine* Sunk
  14   KORYU MARU Tanker 974 33-55N, 131-05E United
States
Army Mine Sunk
  14   NISSHO MARU NO 8 Cargo 1,174 33-54N, 131-07E United
States
Army Mine Sunk
  14   UWAJIMA MARU NO 18 Passenger-Cargo 885 33-39N, 130-15E United
States
Army Mine Sunk
  14   WAKAMIYASAN MARU Cargo 2,211 37-38N, 123-34E United
States
Submarine Sunk
  14   SEIZAN MARU Passenger-Cargo 2,018 47-03N, 142-01E United
States
Submarine Sunk
  15   HEIRYO MARU Cargo 1,224 36-39N, 126-00E Japan Marine Casualty Sunk
  15   TOHO MARU Tanker 10,238 9-25N, 99-54E United
States
Army Aircraft Sunk
  15   KOAN MARU Passenger-Cargo 884 39-53N, 139-40E United
States
Submarine Sunk
  16   TAKESHIMA MARU Cargo 870 34-35N, 125-58E United
States
Navy Land-
Based Aircraft
Sunk
  16   TAIKYU MARU Cargo 2,128 33-58N, 130-34E United
States
Army Mine Sunk
  17   EIJO MARU Cargo 2,274 42-38N, 139-49E United
States
Submarine Sunk
  18   BISAN MARU Passenger-Cargo 3,420 33-58N, 130-44E United
States
Army Mine Sunk
  18   NISSHO MARU Cargo 1,276 34-00N, 130-50E United
States
Army Mine Sunk
  18   HAKUAI MARU Transport 2,614 50-30N, 155-01E United
States
Submarine* Sunk
  19   KONZAN MARU Passenger-Cargo 5,488 37-13N, 137-18E United
States
Submarine* Sunk
  19   ZAOSAN MARU Cargo 2,631 50-39N, 154-38E United
States
Submarine* Sunk
  19   KAISEI MARU Cargo 873 34-22N, 130-51E United
States
Army Mine Sunk
  19   KOKAI MARU Cargo 1,272 43-12N, 140-19E United
States
Submarine Sunk
  20   KEIJO MARU Cargo 2,220 34-47N, 126-23E United
States
Army Aircraft Sunk
  20   HUASHAN MARU Cargo 2,103 33-38N, 130-22E United
States
Army Mine Sunk
  20   KENAN MARU Cargo 2,220 33-59N, 130-48E United
States
Army Mine Sunk
  20   NANKI MARU NO 1 Cargo 834 33-58N, 131-01E United
States
Army Mine Sunk
  20   KAISEI MARU Cargo 884 35-39N, 130-29E United
States
Submarine Sunk
  20   TAITO MARU Cargo 2,726 36-04N, 130-26E United
States
Submarine Sunk
  21   HIZEN MARU Cargo 946 41-19N, 141-28E United
States
Submarine Sunk
  22   YUBU MARU Cargo 884 34-00N, 131-00E United
States
Army Mine Sunk
  22   SHIMOTSUKI MARU Cargo 875 33-58N, 131-01E United
States
Army Mine Sunk
  22   TAIGEN MARU Cargo 884 34-00N, 130-50E United
States
Army Mine Sunk
  22   TAKASEGAWA MARU Cargo 879 33-55N, 131-20E United
States
Army Mine Sunk
  23   GOSHU MARU Cargo 2,211 34-00N, 130-50E United
States
Army Mine Sunk
  23   KOCHO MARU Cargo 6,888 33-50N, 130-30E United
States
Army Mine Sunk
  23   SAGAMI MARU Cargo 877 34-00N, 131-00E United
States
Army Mine Sunk
*Probable Agent

--92--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
June 24 1945 PLUTO GO Cargo 3,033 34-47N, 126-25E United
States
Navy Land-
Based Aircraft
Sunk
  24   ISE MARU NO 5 Cargo 880e 33-20N, 129-20E United
States
Navy Land-
Based Aircraft
Sunk
  24   KATSURA MARU Cargo 884 34-19N, 133-35E United
States
Army Mine Sunk
  24   KENKON MARU NO 8 Cargo 882 33-58N, 130-52E United
States
Army Mine Sunk
  24   WAKAMATSU MARU Cargo 2,722 33-48N, 131-32E United
States
Army Mine Sunk
  24   SHINKA MARU Cargo 873 33-28N, 130-01E United
States
Army Mine Sunk
  25   ANRI MARU Cargo 1,668 33-58N, 130-50E United
States
Army Mine Sunk
  25   UNGATSU MARU Cargo 887 33-59N, 130-52E United
States
Army Mine Sunk
  26   SHINSEI MARU NO 11 Cargo 887 47-10N, 152-16E Japan Marine Casualty Probably sunk
  26   KISEI MARU Cargo 749 34-32N, 127-14E United
States
Navy Land-
Based Aircraft
Sunk
  26   EIKAN MARU Cargo 6,903 39-15N, 141-55E Japan Mine Sunk
  26   KAMITSU MARU Converted Gunboat 2,723 39-25N, 142-04E United
States
Submarine Sunk
  27   KYUSHU MARU Cargo 632 Off Japan Unknown Unknown Sunk
  27   NICHIYU MARU NO 7 Cargo 880e 36-53N, 129-26E Japan Marine Casualty Sunk
  27   KAISHIN MARU NO 7 Cargo 873 33-50N, 130-50E United
States
Army Mine Sunk
  27   MIBUNESAN MARU Cargo 872 34-35N, 134-15E United
States
Army Mine Sunk
  27   MIFUKU MARU Cargo 1,211 37-06N, 137-02E United
States
Army Mine Sunk
  27   TSUKI MARU NO 1 Cargo 875 33-58N, 131-01E United
States
Army Mine Sunk
  28   DAIKOKUZAN MARU Cargo 692 34-30N, 130-30E United
States
Army Mine Sunk
  28   REIAN MARU Cargo 1,936 33-59N, 130-52E United
States
Army Mine Sunk
  28   TAKASAGO MARU NO 12 Tanker 834 34-23N, 130-56E United
States
Army Mine Sunk
  29   NICHIYU MARU NO 1 Cargo 6,873 34-36N, 130-46E United
States
Army Mine Sunk
  29   SOSHU MARU Cargo 1,219 35-41N, 136-05E United
States
Army Mine Sunk
  30   SHINKO MARU Cargo 545 Yellow Sea Unknown Unknown Sunk
  30   RYUHO MARU NO 1 Cargo 2,241 34-03N, 140-18E United
States
Navy Land-
Based Aircraft
Sunk
  30   TARUYASU MARU Cargo 10,254 37-07N, 137-04E United
States
Army Mine Sunk
  30   HOKUSHIN MARU Cargo 5,819 15-00N, 115-00E United
States
Submarine* Sunk
        123 Vessels 245,930        
July 1 1945 HSIN NINGSHAO Cargo 3,387 31-21N, 121-38E United
States
Army Aircraft Sunk
  1   MITAKESAN MARU Cargo 865 34-20N, 129-24E United
States
Army Aircraft
Navy Land-
Based Aircraft
Sunk
  1   EIJUN MARU Cargo 2,156 34-02N, 130-57E United
States
Army Mine Sunk
  1   NAOSHIMA MARU Cargo 873 34-30N, 134-17E United
States
Army Mine Sunk
  1   YAMAMICHI MARU Cargo 6,850 34-28N, 135-08E United
States
Army Mine Sunk
  1   TAIUN MARU NO 1 Cargo 2,220 38-08N, 124-38E United
States
Submarine Sunk
  1   KONRI MARU Cargo 3,106 38-08N, 124-38E United
States
Submarine Sunk
* Probable Agent

--93--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July 2 1945 NANKI MARU NO 5 Tanker 834 38-18N, 141-25E Japan Marine Casualty Sunk
  2   HIMETAKA MARU Cargo 554 34-11N, 132-31E United
States
Army Aircraft Sunk
  3   HOEI MARU Tanker 784 34-22N, 126-25E United
States
Army Mine Sunk
  5   TONE MARU Cargo 546 3-20S, 114-35E United
States
Army Aircraft Sunk
  5   TOSEI MARU NO 5 Tanker 523 37-57N, 139-04E United
States
Army Mine Sunk
  5   TOYOKAWA MARU Cargo 5,123 33-56N, 130-53E United
States
Army Mine Sunk
  5   SAPPORO MARU NO 11 Cargo 2,820 46-04N, 142-14E United
States
Submarine Sunk
  6   TOKAI MARU NO 5 Cargo 879 33-59N, 130-52E United
States
Army Mine Sunk
  6   TOYO MARU Cargo 3,718 33-58N, 131-00E United
States
Army Mine Sunk
  6   UJINA MARU Cargo 2,218 37-56N, 139-04E United
States
Army Mine Sunk
  6   TAKE MARU Cargo 1,265 33-52N, 131-15E United
States
Army Mine Sunk
  6   SHORI MARU Cargo 2,080 34-06N, 130-47E United
States
Army Mine Sunk
  7   KINYU MARU NO 1 Cargo 834 34-00N, 135-00E United
States
Army Mine Sunk
  7   NACHIZAN MARU Cargo 880 33-55N, 130-56E United
States
Army Mine Sunk
  7   TAIRI GO Transport 1,832 33-43N, 131-38E United
States
Army Mine Sunk
  7   KOUN MARU NO 2 Passenger-Cargo 606 41-21N, 141-28E United
States
Submarine Sunk
  8   MIKUNISAN MARU Cargo 865 34-45N, 126-19E United
States
Navy Land-
Based Aircraft
Sunk
  8   SHINTO MARU Cargo 2,211 33-06N, 129-43E United
States
Army Mine Sunk
  8   SAITSU MARU Passenger-Cargo 1,045 38-48N, 121-28E United
States
Submarine Sunk
  9   GAKUZYO MARU Cargo 1,500 33-59N, 130-48E United
States
Army Mine Sunk
  9   MICHI MARU Cargo 1,383 33-41N, 130-14E United
States
Army Mine Sunk
  10   CHIKUMA MARU Cargo 9,951 33-56N, 131-00E United
States
Army Mine Sunk
  10   NIPPU MARU Cargo 891 33-06N, 129-43E United
States
Army Mine Sunk
  10   SAKURA MARU Cargo 900 9-38N, 101-30E United
States
Submarine Sunk
  10   NANMEI MARU NO 5 Tanker 834e 9-38N, 101-30E United
States
Submarine Sunk
  10   SAKISHIMA MARU Cargo 1,224 33-39N, 126-40E United
States
Submarine Sunk
  11   TAKECHI MARU NO 3 Cargo 870 34-34N, 134-21E United
States
Army Mine Sunk
  12   MOCHIZUKI MARU Cargo 875e 33-38N, 130-22E United
States
Unknown Aircraft Sunk
  12   KOJUN MARU Cargo 2,177 37-57N, 139-04E United
States
Army Mine Sunk
  12   MITSU MARU Cargo 5,682 33-38N, 135-03E United
States
Army Mine Sunk
  12   TATSUTSUYU MARU Cargo 2,220 34-24N, 131-12E United
States
Army Mine Sunk
  12   NASU MARU Converted Salvage Vessel 694 37-55N, 139-04E United
States
Army Mine Sunk
  13   AGATA MARU NO 7 Cargo 873 33-56N, 130-56E United
States
Army Mine Sunk
  13   HAYAHI MARU Cargo 6,919 34-00N, 130-57E United
States
Army Mine Sunk
  13   KORASAN MARU Cargo 2,300 33-56N, 130-56E United
States
Army Mine Sunk
  13   YAMABISHI MARU NO 20 Cargo 880 33-58N, 131-01E United
States
Army Mine Sunk
  14   SAITO MARU Cargo 874 39-38N, 125-05E United
States
Navy Land-
Based Aircraft
Sunk
  14   SETAGAWA MARU Cargo 875 34-00N, 126-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   AWA MARU Cargo 1,960 40-56N, 141-52E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   EIHO MARU Cargo 741 41-38N, 141-00E United
States
Navy Carrier-
Based Aircraft
Sunk

--94--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July 14 1945 EIREKI MARU Cargo 6,923 42-21N, 140-59E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   HIRAN MARU Ferry 3,459 40-51N, 140-45E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   HOKOKU MARU Cargo 1,274 41-33N, 140-08E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   HOKURYU MARU NO 23 Cargo 1,550 42-21N, 140-59E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   IMIZU MARU Cargo 986 43-12N, 141-02E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   NISSEN MARU NO 6 Cargo 521 41-48N, 141-41E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SEIKAN MARU NO 4 Cargo 2,903 41-48N, 141-41E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SEIKAN MARU NO 10 Ferry 2,900 41-48N, 141-41E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SEIKAN MARU NO 3 Cargo 2,787 41-38N, 141-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SEIKAN MARU NO 2 Ferry 2,493 40-51N, 140-46E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SEIKAN MARU NO 1 Ferry 2,326 41-11N, 140-27E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   MATSUMAE MARU Ferry 3,429 41-48N, 140-41E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   KYODO MARU NO 13 Cargo 1,996 41-05N, 140-55E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   TOYU MARU Cargo 1,256 43-17N, 145-29E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   TSUGARU MARU Ferry 3,484 41-17N, 140-32E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   UNYO MARU NO 1 Cargo 2,039 42-21N, 140-59E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SENZAN MARU Cargo 1,151 41-48N, 141-41E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SHIMOSA MARU Cargo 887 41-38N, 141-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   SHOHO MARU Transport 3,460 40-51N, 140-47E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   TAISEI MARU Cargo 884 41-38N, 141-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   TAKA MARU Cargo 887 42-21N, 140-59E United
States
Navy Carrier-
Based Aircraft
Sunk
  14   CHIZU MARU Cargo 2,304 33-58N, 130-59E United
States
Army Mine Sunk
  14   KYUKO MARU Passenger-Cargo 3,222 35-00N, 129-43E United
States
Army Mine Sunk

--95--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July 14 1945 SHOKA MARU Passenger-Cargo 1,931 43-12N, 141-02E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   HIRANO MARU Cargo 1,226 41-16N, 140-04E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   TOKAI MARU Cargo 3,099 42-47N, 140-17E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   SHOHO MARU Cargo 1,327 41-25N, 140-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   SHOAN MARU Ferry 2,900 40-51N, 140-45E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   TAISHO MARU NO 1 Cargo 605 42-00N, 140-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  15   SAIKAI MARU NO 5 Cargo 880 34-00N, 131-00E United
States
Army Mine Sunk
  15   NICHIYU MARU NO 5 Cargo 873 33-38N, 135-24E United
States
Army Mine Sunk
  16   TOYU MARU NO 6 Tanker 834e 34-00N, 131-55E United
States
Army Aircraft Sunk
  16   KOI MARU Cargo 882 33-54N, 131-08E United
States
Army Mine Sunk
  16   NACHI MARU Passenger-Cargo 1,606 33-59N, 130-52E United
States
Army Mine Sunk
  16   NANNIN MARU Cargo 2,486 33-56N, 130-52E United
States
Army Mine Sunk
  17   KITAKATA MARU Cargo 2,218 33-56N, 130-56E United
States
Army Mine Sunk
  17   NISSHO MARU Cargo 2,284 33-59N, 130-52E United
States
Army Mine Sunk
  17   SHOKAI MARU NO 2 Cargo 883 33-59N, 130-52E United
States
Army Mine Sunk
  18   CHISHIMA MARU Cargo 1,368 34-36N, 125-00E United
States
Navy Land-
Based Aircraft
Sunk
  18   KINYU MARU NO 4 Tanker 865e 34-48N, 134-28E United
States
Navy Carrier-
Based Aircraft
Sunk
  18   SHINTAI MARU Cargo 933 34-25N, 130-40E United
States
Navy Land-
Based Aircraft
Sunk
  18   TAGAMI MARU Cargo 844 34-47N, 137-02E United
States
Navy Land-
Based Aircraft
Sunk
  19   DAIKOKU MARU Cargo 598 37-57N, 139-04E United
States
Army Mine Sunk
  20   KYOEI MARU NO 3 Tanker 1,189 8-08N, 103-40E United
States
Submarine Sunk
  20   FUEI MARU Cargo 2,822 34-00N, 134-00E United
States
Army Mine Sunk
  20   TATSUTAKAWA MARU Cargo 873 33-59N, 130-52E United
States
Army Mine Sunk
  22   BANEI MARU NO 3 Cargo 1,778 39-53N, 139-52E United
States
Army Mine Sunk
  22   CHOYO MARU Passenger-Cargo 2,225 42-30N, 129-45E United
States
Army Mine Sunk
  22   HAKUTETSU MARU NO 5 Cargo 799 34-40N, 138-47E United
States
Army Mine Sunk
  22   KATORI MARU Cargo 2,218 37-57N, 139-04E United
States
Army Mine Sunk
  22   YUYO MARU Tanker 10,045 34-16N, 133-38E United
States
Army Mine Sunk
  23   HORAI MARU NO 15 Cargo 834 36-02N, 129-23E United
States
Army Aircraft Sunk
  23   DAISHIN MARU NO 2 Cargo 1,153 33-54N, 130-54E United
States
Army Mine Sunk
  23   NISSHO MARU NO 6 Cargo 642 34-00N, 130-50E United
States
Army Mine Sunk
  23   TSURUKAWA MARU NO 3 Cargo 875 33-56N, 130-54E United
States
Army Mine Sunk
  23   SHOKO MARU Cargo 2,208 37-57N, 139-04E United
States
Army Mine Sunk
  23   TAIHA MARU NO 1 Cargo 6,889 33-56N, 130-30E United
States
Army Mine Sunk
  23   TAISHIN MARU NO 2 Cargo 1,152 34-00N, 130-00E United
States
Army Mine Sunk

--96--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July      24 1945 SHOKAI MARU Tanker 2,854 34-00N, 156-00E United
States
Unknown Aircraft Sunk
  24   KINYU MARU NO 9 Cargo 834 34-00N, 132-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   HANATSUKI MARU Cargo 882 33-15N, 132-26E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   ISE MARU NO 2 Cargo 873 35-14N, 133-10E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KAISHIN MARU NO 11 Cargo 880e 33-31N, 129-48E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KANETSU MARU Cargo 2,867 34-14N, 132-23E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KINOKAWA MARU Cargo 873 34-15N, 132-31E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   KOMYO MARU Cargo 873 34-16N, 134-40E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   RYUEI MARU NO 6 Cargo 834 34-05N, 132-20E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   SABANG MARU Tanker 10,241 34-10N, 132-24E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   NANKI MARU NO 6 Tanker 834 33-49N, 132-07E United
States
Navy Carrier-
Based Aircraft
Sunk
  24   HIMEKAWA MARU Cargo 873 33-34N, 130-01E United
States
Army Mine Sunk
  24   INARI MARU Cargo 2,759 33-55N, 130-56E United
States
Army Mine Sunk
  24   KOICHI MARU Cargo 873 39-10N, 127-26E United
States
Army Mine Sunk
  25   KAISOKU MARU Tanker 1,126 34-14N, 132-33E United
States
Navy Carrier-
Based Aircraft
Probably sunk
  25   SHOKAI MARU NO 5 Cargo 882 34-35N, 135-27E United
States
Army Mine Sunk
  25   EIAN MARU Cargo 3,825 35-33N, 133-14E United
States
Army Mine Sunk
  25   HOSHI MARU Cargo 2,853 34-35N, 135-21E United
States
Army Mine Sunk
  26   ANETTE FRITZEN Cargo 2,774 35-00N, 128-00E United
States
Army Mine Sunk
  26   SERIA MARU Tanker 10,238 34-01N, 131-25E United
States
Unknown Aircraft Sunk
  27   ROKUZAN MARU Cargo 1,058 East China Sea United
States
Unknown Sunk
  27   MEIKO MARU Cargo 887 34-10N, 130-55E United
States
Army Mine Sunk
  27   UNTEN MARU Cargo 1,025 33-56N, 131-11E United
States
Army Mine Sunk
  27   CHIKUZEN MARU Passenger-Cargo 2,448 37-00N, 134-02E United
States
Submarine Sunk
  28   KINYU MARU NO 6 Tanker 865e 34-23N, 134-50E United
States
Navy Carrier-
Based Aircraft
Sunk
  28   KINZAN MARU NO 11 Cargo 873 34-48N, 134-38E United
States
Army Mine Sunk
  28   KIYOTADA MARU Cargo 3,079 33-56N, 131-15E United
States
Army Mine Sunk
  28   TEIRITSU MARU Transport 9,877 35-32N, 135-20E United
States
Army Mine Sunk
  28   UNKAI MARU NO 15 Cargo 1,208 39-53N, 139-43E United
States
Submarine Sunk
  28   HAGIKAWA MARU Cargo 2,995 40-17N, 139-50E United
States
Submarine Sunk
  28   HAKUEI MARU Tanker 2,863 39-53N, 139-43E United
States
Submarine Sunk
  29   HOKUSEI MARU Cargo 1,284 35-32N, 127-30E United
States
Army Aircraft Sunk
  29   SEISHIN MARU Passenger-Cargo 1,336 35-32N, 127-30E United
States
Army Aircraft Sunk

--97--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July      29 1945 YUSHIN MARU Cargo 886 35-32N, 127-30E United
States
Army Aircraft Sunk
  29   SHORYU MARU Cargo 1,257 35-32N, 127-30E United
States
Army Aircraft Sunk
  30   KAMOKAWA MARU Cargo 865 35-20N, 130-30E United
States
Navy Carrier-
Based Aircraft
Sunk
  30   KASHI MARU Cargo 884 35-40N, 136-04E United
States
Navy Carrier-
Based Aircraft
Sunk
  30   TATSUMIYA MARU Cargo 6,343 35-33N, 135-31E United
States
Navy Carrier-
Based Aircraft
Sunk
  30   SHOKEI MARU Passenger-Cargo 3,620 35-32N, 135-12E United
States
Army Mine Sunk
  30   YUZAN MARU Passenger-Cargo 6,039 42-36N, 139-48E United
States
Submarine Sunk
        145 Vessels 309,902        
August 1 1945 HAYABUSA MARU Cargo 873 33-41N, 129-59E United
States
Army Aircraft Sunk
  2   SANTO MARU Cargo 1,890 37-57N, 139-04E United
States
Army Mine Sunk
  3   AGA MARU Dredge 529 38-55N, 139-45E United
States
Army Mine Sunk
  3   DAIRETSU MARU Cargo 873 34-39N, 135-12E United
States
Army Mine Sunk
  3   HOHSING Cargo 2,111 35-40N, 136-05E United
States
Army Mine Sunk
  3   SHINEI MARU NO 3 Cargo 2,220 42-10N, 130-15E United
States
Army Mine Sunk
  4   KOSHIN MARU Cargo 975 34-37N, 135-18E United
States
Army Mine Sunk
  5   KORI MARU Cargo 1,091 38-51N, 121-39E United
States
Submarine Sunk
  5   KOTOHIRASAN MARU Cargo 2,220 39-52N, 138-52E United
States
Submarine Sunk
  6   KOWA MARU Cargo 884 34-26N, 129-16E United
States
Army Aircraft Sunk
  6   SHINTAI MARU NO 7 Cargo 882 34-26N, 129-16E United
States
Army Aircraft Sunk
  6   CHOKAI MARU NO 2 Cargo 1,287 38-49N, 137-04E United
States
Army Mine Sunk
  6   ISOJIMA MARU Cargo 884 33-56N, 130-56E United
States
Army Mine Sunk
  6   KOZAN MARU NO 2 Cargo 864 33-53N, 132-00E United
States
Army Mine* Sunk
  7   KINYU MARU NO 7 Cargo 834 34-55N, 128-44E United
States
Army Aircraft Sunk
  7   NANKI MARU NO 9 Cargo 834e 34-55N, 128-44E United
States
Army Aircraft Sunk
  7   KIBITSU MARU Cargo 9,575 34-37N, 135-04E United
States
Army Mine Sunk
  8   KASADO MARU Passenger-Cargo 6,003 52-00N, 156-00E Russia Aircraft* Sunk
  8   RASHIN MARU Passenger-Cargo 5,454 41-23N, 131-25E United
States
Submarine Sunk
  9   IKUTSU GO Cargo 1,398 42-12N, 130-18E Unknown Unknown Aircraft Probably sunk
  9   YAMANAMI MARU NO 7 Cargo 875 25-15N, 138-44E United
States
Unknown Aircraft Sunk
  9   CHIKA MARU Cargo 1,146 41-50N, 129-46E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   EDAMITSU MARU Cargo 6,872 42-30N, 129-45E United
States
Navy Carrier-
Based Aircraft
Probably sunk
  9   HEIYU MARU Cargo 973 42-30N, 129-45E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   MINKO MARU Transport 800e 21-26N, 111-20E United
States
Navy Land-
Based Aircraft
Sunk
* Probable Agent

--98--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
August 9 1945 RAKUZAN MARU Passenger-Cargo 2,104 42-30N, 129-45E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   RYUWA MARU Cargo 1,244 42-30N, 129-45E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   TOYOSHIMA MARU Cargo 875 25-09N, 129-30E United
States
Army Aircraft Sunk
  9   BANSHU MARU NO 36 Cargo 889 39-30N, 142-04E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   TAITO MARU Tanker 6,850 42-30N, 129-45E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   TENSHO MARU Cargo 3,035 41-47N, 129-50E United
States
Navy Carrier-
Based Aircraft
Sunk
  9   YAMABISHI MARU NO 7 Cargo 875 25-09N, 129-30E United
States
Army Aircraft Sunk
  10   RYUHO MARU NO 2 Cargo 2,230 Sea of Okhotsk Russia Unknown Probably sunk
  10   SHOFUKU MARU Cargo 754 33-53N, 129-20E United
States
Unknown Aircraft Sunk
  10   HORAI MARU NO 14 Cargo 865e 37-00N, 129-00E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   CHICHIBU MARU Cargo 884 42-20N, 130-24E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   NANKI MARU NO 2 Cargo 834 38-55N, 139-49E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   MASAYOSHI MARU Cargo 970 38-55N, 139-49E United
States
Navy Carrier-
Based Aircraft
Sunk
  10   TAISHUN MARU Cargo 2,857 41-46N, 129-49E United
States
Army Mine Sunk
  11   NISSHIN MARU NO 2 Cargo 882 33-45N, 131-30E United
States
Army Mine Sunk
  11   TEIHOKU MARU Passenger-Cargo 5,795 38-03N, 133-13E United
States
Submarine Sunk
  12   HOZUKAWA MARU Cargo 875 35-00N, 126-00E United
States
Unknown Aircraft Sunk
  12   TAMON MARU NO 16 Cargo 6,886 37-07N, 137-02E United
States
Army Mine Sunk
  13   KAIHO MARU Cargo 873 36-16N, 136-08E United
States
Submarine Sunk
  14   TAKAKAWA MARU NO 3 Cargo 884 32-45N, 120-50E United
States
Unknown Aircraft Sunk
  14   TATSUSUGI MARU Cargo 865 33-31N, 130-29E United
States
Unknown Aircraft Sunk
  14   MIKASASAN MARU Cargo 865 30-10N, 126-28E United
States
Army Mine Sunk
  14   YOJO MARU Cargo 2,220 34-38N, 135-24E United
States
Army Mine Sunk
  14   KASHIMA MARU Cargo 2,211 35-10N, 129-00E United
States
Army Mine* Sunk
        48 Vessels 99,094        
* Probable Agent

--99--

Alphabetical Index

Name Page Name Page Name Page
A          
ABUKUMA* 17 AKIURA MARU 55 ARIMA MARU 40
ABUKUMAGAWA MARU 90 AKIURA MARU 92 ARISAN MARU 73
ADEN MARU 59 ALASKA MARU 48 ARITA MARU 78
AFRICA MARU 34 AMAGI* 27 ARIZONA MARU 36
AGA MARU 98 AMAGI MARU 58 ASAGIRI* 3
AGANO* 9 AMAGIRI* 11 ASAGUMO* 16
AGATA MARU NO 7 94 AMAGISAN MARU 53 ASAHI* 2
AIKOKU MARU 53 AMAHO MARU 40 ASAHI MARU NO 2 65
AISAKASAN MARU 76 AMAKASU MARU NO 1 37 ASAHISAN MARU 63
AITOKU MARU 88 AMAKUSA* 28 ASAKA MARU 71
AIYO MARU 39 AMAKUSA MARU 76 ASAKA MARU 71
AIZAN MARU 91 AMATO MARU 83 ASAKASAN MARU 39
AJIRO* 15 AMATSU MARU 56 ASAKAZE* 14
AKAGANE MARU 38 AMATSUKAZE* 24 ASAKAZE MARU 48
AKAGI* 2 AMERICA MARU 55 ASAMA MARU 74
AKAGI MARU 53 AMOY MARU 89 ASANAGI* 11
AKAGISAN MARU 77 ANBO MARU 59 ASANAGI MARU 60
AKAMA MARU 44 ANGTHONG GOO 91 ASASHIMO* 24
AKANE MARU 70 ANJO MARU 70 ASASHIO* 5
AKASHI* 11 ANKO MARU 89 ASASHIO MARU 57
AKASHI MARU 45 ANNAN MARU 44 ASAYAMA MARU 46
AKASHI MARU 79 ANNETTE FRITZEN 97 ASHIGARA* 25
AKASHISAN MARU 55 ANRI GO NO 2 81 ASHIZURI 60
AKATSUKI* 3 ANRI MARU 93 ASO MARU 41
AKATSUKI MARU 41 ANSHU MARU 60 ASO MARU 61
AKATSUKI MARU 81 ANYO MARU 79 ASOKAWA MARU 85
AKEBONO* 18 ANZAN MARU 42 ASOSAN MARU 58
AKEBONO MARU 56 ANZAN MARU 56 ASSAM 48
AKI MARU 63 AOBA* 27 ASTROLABE* 10
AKIBASAN MARU 51 AOBASAN MARU 78 ASUKA MARU 49
AKIGAWA MARU 58 AOKI MARU 75 ASUKAZAN MARU 63
AKIGAWA MARU 77 AOTAKA* 15 ATAGO* 16
AKIGUMO* 11 ARABIA MARU 72 ATAGO MARU 77
AKIKAZE* 17 ARAOSAN MARU 86 ATAKA MARU 43
AKISHIMA MARU 60 ARARE* 3 ATLANTIC MARU 57
AKISHIMO* 18 ARASHI* 7 ATLAS MARU 74
AKITA MARU 29 ARASHIO* 5 ATSUTA MARU 32
AKITSU MARU 76 ARATAMA MARU 57 ATSUTA MARU 74
AKITSUKI* 17 ARGUN MARU 44 ATSUTASAN MARU 29
AKITSUSHIMA MARU 67 ARIAKE* 7 AWA MARU 86
AKITSUSHIMA* 15 ARIAKE MARU 52 AWA MARU 94
* Naval Vessel

--100--

Name Page Name Page Name Page
A          
AWAJI* 12 BIWA MARU 35 CHIHAYA MARU 66
AWAJI MARU 68 BIZEN MARU 60 CHIHAYA MARU 46
AWAJISAN MARU 29 BOKO* 7 CHIKA MARU 98
AWATA MARU 45 BOKO MARU 64 CHIKUGO MARU 35
AYAGIRI MARU 75 BOKUEI MARU 49 CHIKUMA* 16
AYANAMI* 4 BORDEAUX MARU 30 CHIKUMA MARU 94
AYANAMI MARU 79 BORNEO MARU 34 CHIKUZEN MARU 97
AYATOSAN MARU 32 BOSTON MARU 36 CHIKUZAN MARU 43
AYAYUKI MARU 79 BRAKE 56 CHILE MARU 88
AYAZONO MARU 67 BRASIL MARU 32 CHINA MARU 68
AZUCHISAN MARU 70 BRAZIL MARU 88 CHINKAI MARU 76
AZUMA MARU 48 BRISBANE MARU 35 CHINKO MARU 46
AZUMASAN MARU 34 BUENOS AIRES MARU 47 CHINZEI MARU 72
AZUSA MARU 67 BUGEN MARU 67 CHISHIMA MARU 96
AZUSA MARU 91 BUJO MARU 71 CHITA MARU 33
AZUSA MARU 37 BUJUN MARU 31 CHITOSE* 16
    BUNZAN MARU 72 CHIYO MARU 60
B   BURMA MARU 32 CHIYO MARU 60
    BUSAN MARU 44 CHIYODA* 16
BAIEI MARU 73 BUSHO MARU 51 CHIYODA MARU 65
BANDOENG MARU 36 BUSHU MARU 69 CHIZAN MARU 90
BANEI MARU NO 2 59 BUTSU MARU 64 CHIZU MARU 95
BANEI MARU NO 3 96 BUYO MARU 38 CHOAN MARU NO 2 59
BANEI MARU NO 6 76 BYAKURAN MARU 73 CHOHAKUZAN MARU 83
BANGKOK MARU 41     CHOI MARU 59
BANSEI MARU 84 C   CHOJO MARU 52
BANSHU MARU NO 2 37     CHOJUN MARU 43
BANSHU MARU NO 7 42 CALCUTTA MARU 31 CHOJUSAN MARU 74
BANSHU MARU NO 31 77 CANBERRA MARU 35 CHOKAI* 16
BANSHU MARU NO 33 42 CANTON MARU 42 CHOKAI MARU 85
BANSHU MARU NO 36 99 CELEBES MARU 76 CHOKAI MARU NO 2 98
BANSHU MARU NO 63 79 CERAM MARU 69 CHOKO MARU 34
BATAVIA MARU 60 CEYLON MARU 55 CHOKO MARU 50
BATOPAHA MARU 65 CHEFO MARU 79 CHOKO MARU 55
BEIJU MARU 82 CHERIBON MARU 36 CHOKO MARU 48
BELGIUM MARU 72 CHIBURI* 21 CHOKO MARU 52
BENGAL MARU 56 CHIBURI MARU 50 CHOKO MARU 31
BERYL 47 CHICAGO MARU 45 CHOSA MARU 43
BICHU MARU 49 CHICHIBU MARU 30 CHOSAN MARU 89
BIFUKU MARU 33 CHICHIBU MARU 99 CHOSEN MARU 51
BISAKU MARU 57 CHIDORI* 20 CHOWA MARU 87
BISAN MARU 59 CHIFUKU MARU 37 CHOYO MARU 37
BISAN MARU 92 CHIHAYA MARU 60 CHOYO MARU 96
* Naval Vessel

--101--

Name Page Name Page Name Page
C          
CHUKA MARU 69 COAST DEFENSE VESSEL NO 66* 23 DAIRETSU MARU 98
CHUKO MARU 65 COAST DEFENSE VESSEL NO 68* 23 DAISHIN MARU 83
CHUWA MARU 30 COAST DEFENSE VESSEL NO 69* 23 DAISHIN MARU 44
CHUYO* 8 COAST DEFENSE VESSEL NO 72* 26 DAISHIN MARU NO 2 96
CHUYO MARU 57 COAST DEFENSE VESSEL NO 73* 24 DAISHU MARU 47
CLYDE MARU 82 COAST DEFENSE VESSEL NO 74* 26 DAITEI MARU 49
COAST DEFENSE VESSEL NO 1* 24 COAST DEFENSE VESSEL NO 82* 28 DAITO MARU NO 3 88
COAST DEFENSE VESSEL NO 3* 20 COAST DEFENSE VESSEL NO 84* 23 DAITOKU MARU 75
COAST DEFENSE VESSEL NO 4* 27 COAST DEFENSE VESSEL NO 112* 26 DAITOKU MARU 56
COAST DEFENSE VESSEL NO 5* 15 COAST DEFENSE VESSEL NO 130* 23 DAIZEN MARU 83
COAST DEFENSE VESSEL NO 6* 28 COAST DEFENSE VESSEL NO 134* 24 DAKAR MARU 64
COAST DEFENSE VESSEL NO 7* 18 COAST DEFENSE VESSEL NO 138* 20 DELAGOA MARU 46
COAST DEFENSE VESSEL NO 9* 22 COAST DEFENSE VESSEL NO 144* 22 DELHI MARU 50
COAST DEFENSE VESSEL NO 10* 15 COAST DEFENSE VESSEL NO 186* 23 DENMARK MARU 50
COAST DEFENSE VESSEL NO 11* 17 COAST DEFENSE VESSEL NO 219* 26 DOKAN MARU 84
COAST DEFENSE VESSEL NO 13* 28 COLUMBIA MARU 47 DOKO MARU 73
COAST DEFENSE VESSEL NO 15* 12 CUBA MARU 33 DORI MARU 63
COAST DEFENSE VESSEL NO 17* 21     DORYO MARU 85
COAST DEFENSE VESSEL NO 18* 23 D   DOSEI MARU 81
COAST DEFENSE VESSEL NO 19* 21     DOVER MARU 45
COAST DEFENSE VESSEL NO 20* 20 DAIA MARU 85 DOWA MARU 76
COAST DEFENSE VESSEL NO 21* 15 DAIAKITA MARU 67 DOZAN MARU 52
COAST DEFENSE VESSEL NO 23* 21 DAIBI MARU 83 DURBAN MARU 65
COAST DEFENSE VESSEL NO 24* 13 DAIBOSHI MARU NO 6 77    
COAST DEFENSE VESSEL NO 25* 25 DAICHI MARU 76 E  
COAST DEFENSE VESSEL NO 28* 20 DAICHO MARU 78    
COAST DEFENSE VESSEL NO 29* 25 DAIDO MARU 48 ECHIZEN MARU 55
COAST DEFENSE VESSEL NO 30* 27 DAIFUKU MARU 41 EDAMITSU MARU 98
COAST DEFENSE VESSEL NO 31* 24 DAIGEN MARU 46 EDO MARU 43
COAST DEFENSE VESSEL NO 33* 23 DAIGEN MARU NO 2 91 EDOGAWA MARU 76
COAST DEFENSE VESSEL NO 35* 21 DAIGEN MARU NO 3 55 EDOGAWA MARU 86
COAST DEFENSE VESSEL NO 38* 19 DAIGEN MARU NO 6 54 EHIME MARU 46
COAST DEFENSE VESSEL NO 39* 28 DAIGEN MARU NO 7 65 EIAN MARU 97
COAST DEFENSE VESSEL NO 41* 25 DAIGEN MARU NO 78 45 EIFUKU MARU 33
COAST DEFENSE VESSEL NO 42* 20 DAIGEN MARU NO 10 67 EIFUKU MARU 82
COAST DEFENSE VESSEL NO 43* 21 DAIGO MARU 79 EIHO MARU 79
COAST DEFENSE VESSEL NO 47* 28 DAIJU MARU 58 EIHO MARU 81
COAST DEFENSE VESSEL NO 51* 21 DAIKI MARU 91 EIHO MARU 94
COAST DEFENSE VESSEL NO 53* 22 DAIKOKU MARU 96 EIJI MARU 66
COAST DEFENSE VESSEL NO 54* 20 DAIKOKUZAN MARU 93 EIJO MARU 92
COAST DEFENSE VESSEL NO 56* 22 DAIKYU MARU 79 EIJO MARU 83
COAST DEFENSE VESSEL NO 64* 19 DAINICHI MARU 45 EIJU MARU 89
COAST DEFENSE VESSEL NO 65* 26 DAIREN MARU 77 EIJUN MARU 93
* Naval Vessel

--102--

Name Page Name Page Name Page
E          
EIKA MARU 91 FUJI MARU 85 FUYUKAWA MARU 73
EIKAN MARU 93 FUJIKAWA MARU 57 FUZAN MARU 43
EIKO MARU 73 FUJIKAWA MARU 53    
EIKO MARU 51 FUJINAMI* 17 G  
EIKO MARU 87 FUJISAN MARU 53    
EIKO MARU 61 FUJISHIMA MARU 30 GAKUJO MARU 87
EIKYO MARU 72 FUJITAMA MARU 90 GAKUZYO MARU 94
EIKYU MARU 75 FUKEI MARU NO 9 50 GANGES MARU 31
EIMAN MARU 80 FUKI MARU 56 GASSAN MARU 91
EIREKI MARU 95 FUKKAI MARU 48 GENBU MARU 58
EIRYU MARU 59 FUKKEN MARU 37 GENKAI MARU 67
EISHIN MARU 65 FUKKO MARU 59 GENMEI MARU 48
EISHO MARU 41 FUKOKU MARU 60 GENOA MARU 42
EISHO MARU 84 FUKUEI MARU 89 GENYO MARU 61
EIWA MARU 75 FUKUEI MARU 40 GENZAN MARU 36
EIYO MARU 83 FUKUEI MARU NO 2 38 GETSUYO MARU 49
EIYO MARU NO 2 66 FUKUEI MARU NO 17 69 GIFU MARU 35
EIZAN MARU 47 FUKUI MARU NO 2 91 GINREI MARU 48
EIZAN MARU 29 FUKUJU MARU 76 GINSEI MARU 89
EJIRI MARU 71 FUKUREI MARU 65 GINYO MARU 48
EKISAN MARU 70 FUKUREI MARU 76 GINZAN MARU 89
EKKAI MARU 69 FUKUSEI MARU 56 GISHO MARU 38
ENGEN MARU 82 FUKUSEI MARU 85 GIYU MARU 46
ENGLAND MARU 41 FUKUSEI MARU 29 GLASGOW MARU 43
ENJU MARU 64 FUKUSEI MARU 83 GOKENZAN MARU 54
ENKI MARU 82 FUKUSHU MARU 30 GOKO MARU 90
ENKYO MARU 89 FUKUURA MARU 70 GOKOKU MARU 74
ENOKI* 26 FUKUYAMA MARU 54 GORYU MARU 52
ENOURA MARU 85 FUKUYAMA MARU 79 GOSEI MARU 53
ERIE MARU 49 FUKUYO MARU 77 GOSHU MARU 57
ERIMO 30 FUMITSUKI MARU 91 GOSHU MARU 92
ESASHI MARU 76 FUMITSUKI* 9 GOSHUN MARU 76
ESASHI MARU 85 FUNAKAWA MARU 40 GOYO MARU 52
ETASHIMA MARU 67 FUNAKAWA MARU NO 2 88 GOZAN MARU 57
ETSUNAN MARU 90 FURUTAKA* 3 GYOEI MARU 50
    FUSEI MARU 44 GYOKO MARU 54
F   FUSHIMI MARU 38 GYOKU MARU 67
    FUSHIMI MARU 59 GYOKUREI MARU 48
FENGYANG MARU 65 FUSHIMI MARU 72 GYOKUYO MARU 75
FLORIDA MARU 40 FUSHIMI MARU 86 GYOKUZAN MARU 36
FRANCE MARU 80 FUSHIMI MARU NO 2 85 GYORYU MARU 88
FRANCIS GARNIER* 10 FUSHIMI MARU NO 3 49 GYOSAN MARU 76
FUBUKI* 3 FUSO* 16 GYOSHIN MARU 78
FUEI MARU 96 FUSO MARU 64 GYOTEN MARU 54
FUJI MARU 45 FUYO* 8 GYOUN MARU 71
* Naval Vessel

--103--

Name Page Name Page Name Page
G          
GYOYU MARU 62 HAKUTETSU MARU NO 5 96 HAVRE MARU 60
    HAKUTETSU MARU NO 7 67 HAVRE MARU 70
H   HAKUTETSU MARU NO 13 44 HAWAII MARU 77
    HAKUUN MARU 90 HAYABUSA* 15
HACHIAN MARU 37 HAKUUN MARU NO 2 67 HAYABUSA MARU 98
HACHIGEN MARU 33 HAKUYO MARU 56 HAYAHI MARU 94
HACHIJIN MARU 74 HAKUYO MARU 73 HAYANAMI* 12
HACHIMANZAN MARU 34 HAKUYO MARU 91 HAYASHIMO* 17
HACHIROGATA MARU 70 HAMAKAZE* 24 HAYASHIO* 4
HAGANE MARU 86 HAMANAMI* 18 HAYASUI 65
HAGIKAWA MARU 97 HAMBURG MARU 74 HAYATAKA MARU 29
HAGIKAZE* 7 HANAGAWA MARU 53 HAYATE* 1
HAGUE MARU 34 HANATSUKI MARU 97 HAYO MARU 29
HAGURO* 25 HANKOW MARU 44 HEIAN MARU 53
HAGURO MARU 50 HARAJI MARU 51 HEIAN MARU 75
HAKAZE* 4 HARBIN MARU 29 HEIJO MARU 44
HAKKA MARU 78 HARIMA MARU 81 HEIKEI MARU 86
HAKKAI MARU 41 HARIO* 22 HEIMEI MARU 49
HAKKAI MARU 50 HARUKIKU MARU 62 HEINAN MARU 36
HAKKAISAN MARU 34 HARUNA* 27 HEIRYO MARU 92
HAKKO MARU 49 HARUNA MARU 32 HEISHIN MARU 85
HAKKO MARU 74 HARUNA MARU 50 HEITO MARU 43
HAKKO MARU 77 HARUNO MARU 58 HEIWA MARU 49
HAKKO MARU 87 HARUSAME* 12 HEIYO MARU 37
HAKKO MARU 71 HARUSHIO MARU 88 HEIYU MARU 98
HAKKO MARU NO 2 65 HARUTA MARU 81 HEIZAN MARU 49
HAKODATE MARU 32 HASHIDATE* 11 HEKISUI MARU 82
HAKONE MARU 47 HASSHO MARU 67 HIBARI MARU 38
HAKONESAN MARU 34 HASSHU MARU 38 HIBI MARU 61
HAKOZAKI MARU 48 HASSHU MARU 55 HIBURI* 14
HAKOZAKI MARU 85 HATAKAZE* 21 HIBURI MARU 60
HAKUAI MARU 92 HATO* 15 HIDA MARU 78
HAKUBA MARU 77 HATO MARU 70 HIDAKA MARU 50
HAKUBASAN MARU 64 HATSU MARU 75 HIDE MARU 42
HAKUEI MARU 97 HATSUHARU* 18 HIE MARU 46
HAKUJU MARU 91 HATSUKARI MARU 86 HIE MARU 29
HAKUMI MARU 67 HATSUKAZE* 8 HIGANE MARU 70
HAKUSA 91 HATSUSHIMA* 25 HIGARI MARU 48
HAKUSAN MARU 60 HATSUSHIMO* 27 HIKOSAN MARU 82
HAKUSAN MARU 91 HATSUTAKA* 25 HIKOSHIMA MARU 79
HAKUSAN MARU 44 HATSUTSUKI* 16 HIMALAYA MARU 48
HAKUSHIKA MARU 72 HATSUYUKI* 6 HIMEKAWA MARU 97
HAKUTETSU MARU NO 3 89 HAVANA MARU 36 HIMENO MARU 48
* Naval Vessel

--104--

Name Page Name Page Name Page
H          
HIMETAKA MARU 94 HOHSING 98 HOREI MARU 55
HINKO MARU 61 HOKAZE* 13 HOREI MARU 86
HINO MARU NO 1 58 HOKI MARU 53 HOSEI MARU 86
HINO MARU NO 2 58 HOKKI MARU 70 HOSEN MARU 85
HINO MARU NO 3 36 HOKKO MARU 47 HOSHI MARU 97
HINO MARU NO 5 45 HOKKO MARU 47 HOSHI MARU NO 2 52
HINODE MARU 61 HOKKO MARU 56 HOSHI MARU NO 11 83
HINOKI MARU 66 HOKO MARU 56 HOSHIN MARU 63
HIOKI MARU 68 HOKOKU MARU 90 HOTEN MARU 72
HIRADO* 14 HOKOKU MARU 95 HOULEE 85
HIRAN MARU 95 HOKOKU MARU 35 HOUN MARU 41
HIRANO MARU 96 HOKUAN* 11 HOYO MARU 53
HIRASHIMA* 7 HOKUAN MARU 52 HOYO MARU 84
HIRO MARU 52 HOKUHI MARU 84 HOZAN MARU 40
HIROKAWA MARU 36 HOKUREI MARU 57 HOZAN MARU 86
HIROSHI MARU NO 3 78 HOKUREI MARU 72 HOZAN MARU 76
HIROTA MARU 70 HOKUROKU MARU 56 HOZAN MARU 63
HIROTAMA MARU 38 HOKURYU MARU NO 23 95 HOZAN MARU NO 1 82
HIRYU* 2 HOKUSEI MARU 97 HOZU* 19
HISAGAWA MARU 79 HOKUSEI MARU 44 HOZUGAWA MARU 50
HISASHIMA MARU 39 HOKUSHIN MARU 93 HOZUGAWA MARU 99
HISHI MARU NO 2 74 HOKUSHO MARU 44 HSIN NINGSHAO 93
HISHIGATA MARU 78 HOKUSUI MARU 84 HSIN YANG MARU 82
HITACHI MARU 38 HOKUTAI MARU 57 HSING YUN MARU 86
HITAKA* 12 HOKUTO MARU 91 HUASHAN MARU 92
HITERU MARU 37 HOKUTO MARU 39 HYAKUFUKU MARU 62
HITORA MARU 48 HOKUYO MARU 60 HYUGA* 27
HIWAKA MARU 89 HOKUYO MARU 53 HYUGA MARU 38
HIYAMA MARU 32 HOKUZAN MARU 45    
HIYAMA MARU 63 HOLLAND MARU 34 I  
HIYEI* 4 HONAN MARU 57    
HIYODORI* 18 HONAN MARU 85 I 1* 4
HIYORI MARU 70 HONGKONG MARU 42 I 2* 11
HIYOSHI MARU 48 HORAI MARU 30 I 3* 4
HIYOSHI MARU 92 HORAI MARU 70 I 4* 4
HIYOSHI MARU 60 HORAI MARU NO 2 69 I 5* 12
HIZEN MARU 92 HORAI MARU NO 5 75 I 6* 13
HOEI MARU 94 HORAI MARU NO 6 71 I 7* 6
HOEI MARU NO 2 66 HORAI MARU NO 7 74 I 8* 23
HOEI MARU NO 3 81 HORAI MARU NO 9 80 I 9* 6
HOEISAN MARU 72 HORAI MARU NO 14 99 I 10* 13
HOFUKU MARU 68 HORAI MARU NO 15 96 I 11* 9
HOGI MARU NO 7 88 HORAIZAN MARU 60 I 12* 25
* Naval Vessel

--105--

Name Page Name Page Name Page
I          
I 13* 26 I 166* 13 IMAJI MARU 67
I 15* 4 I 168* 7 IMARI MARU 86
I 16* 11 I 169* 11 IMIZU MARU 61
I 17* 7 I 170* 1 IMIZU MARU 95
I 18* 4 I 171* 9 INA MARU 66
I 19* 8 I 172* 3 INABASAN MARU 30
I 20* 7 I 173* 1 INAGI* 28
I 21* 9 I 174* 11 INARI MARU 97
I 22* 4 I 175* 15 INAURA MARU 91
I 23* 1 I 176* 11 INAZUMA* 11
I 24* 7 I 177* 18 INDIA MARU 40
I 25* 6 I 178* 7 INDUS MARU 41
I 26* 18 I 179* 8 INUSHIMA MARU NO 6 46
I 27* 9 I 180* 11 IOSHIMA* 15
I 28* 2 I 181* 8 IRAKO* 69
I 29* 13 I 182* 7 IRAKO MARU 87
I 30* 3 I 183* 11 IRO 57
I 31* 6 I 184* 12 ISE* 27
I 32* 10 I 185* 12 ISE MARU NO 2 97
I 33* 12 I 351* 26 ISE MARU NO 5 93
I 34* 8 I 361* 25 ISEZAKI MARU 55
I 35* 8 I 362* 16 ISHIGAKI* 12
I 37* 18 I 364* 15 ISHIKARI MARU 31
I 38* 18 I 365* 19 ISHIKARI MARU 72
I 39* 8 I 368* 22 ISHIMA MARU 84
I 40* 9 I 370* 22 ISOJIMA MARU 98
I 41* 22 I 371* 23 ISOKAZE* 24
I 42* 10 I 372* 27 ISONAMI* 5
I 43* 9 I 373* 28 ISSEI MARU 82
I 44* 24 IBURI MARU 42 ISSHIN MARU 49
I 45* 17 ICHIYO MARU 54 ISUZU* 24
I 46* 19 ICHIYU MARU 49 ISUZU MARU 42
I 48* 8 IIDA MARU 83 ISUZUGAWA MARU 45
I 52* 13 IKAZUCHI* 11 ITALY MARU 37
I 54* 17 IKI* 11 ITSUKUSHIMA MARU 73
I 55* 13 IKOMA MARU 51 ITSUKUSHIMA* 15
I 56* 24 IKOMASAN MARU 84 IWAISHIMA MARU 65
I 122* 25 IKUSHIMA MARU 57 IWAKI MARU 60
I 123* 3 IKUTA MARU 49 IWAKUNI MARU 58
I 124* 1 IKUTA MARU 64 IWAKUNI MARU 85
I 160* 1 IKUTAGAWA MARU 73 IWAMI MARU 37
I 164* 2 IKUTAGAWA MARU 80 IWANAMI* 19
1 165* 26 IKUTSU GO 98 IWASHIRO MARU 37
* Naval Vessel

--106--

Name Page Name Page Name Page
I        
IWASHIRO MARU 68 KAHOKU MARU 42 KAMOI MARU 36
IWATE* 27 KAIFUKU MARU 46 KAMOKAWA MARU 98
IWATE MARU 51 KAIHEI MARU 40 KAMOME* 11
IWATO MARU 78 KAIHO MARU 86 KANAGAWA MARU 89
IYANG MARU 63 KAIHO MARU 99 KANAIYAMA MARU 49
IZUMO* 27 KAIHO MARU 79 KANAN MARU 31
    KAIHO MARU 87 KANAN MARU 61
J   KAIJO MARU 39 KANAYAMASAN MARU 47
    KAIJO MARU 85 KANETSU MARU 97
JANBI MARU 63 KAIJO MARU NO 2 30 KANJO MARU 49
JINBU MARU 42 KAIKA MARU 50 KANJU* 28
JINDAI MARU 90 KAIKO MARU 55 KANJU MARU 80
JINEI MARU 73 KAIKO MARU 73 KANKO MARU 29
JINGEI* 15 KAIKO MARU 85 KANKO MARU 79
JINJU MARU 59 KAIKO MARU 89 KANKO MARU 45
JINMU MARU 41 KAIMEI MARU 33 KANKO MARU 45
JINTSU* 6 KAINAN MARU 85 KANO MARU 33
JINTSU MARU 91 KAINAN MARU 60 KANSAI MARU 44
JINTSU MARU 50 KAIRYU MARU 56 KANSEISHI MARU 61
JINYO* 18 KAISEI MARU 92 KANTO MARU 33
JINYO MARU 77 KAISEI MARU 92 KANZAKI MARU 61
JINZAN MARU 63 KAISHIN MARU NO 7 93 KARATSU* 10
JOGU MARU 72 KAISHIN MARU NO 9 90 KARI* 26
JOHORE MARU 45 KAISHIN MARU NO 11 97 KARUKAYA* 11
JOKUJA MARU 59 KAISHIN MARU NO 14 89 KASADO MARU 98
JOOSAN MARU 66 KAISHO MARU 43 KASAGI MARU 51
JOSHU GO 71 KAISHO MARU 43 KASAGISAN MARU 76
JUNPO MARU 78 KAISHO MARU 92 KASASAGI* 7
JUNTO MARU 67 KAISOKU MARU 97 KASEI MARU 84
JUSAN MARU 78 KAITO MARU 48 KASHI MARU 42
JUYO MARU 55 KAIYO* 27 KASHI MARU 53
JUZAN MARU 86 KAIYO NO 6* 17 KASHI MARU 98
    KAKO* 3 KASHII* 21
K   KAKO MARU 86 KASHII MARU 74
    KAKOGAWA MARU 75 KASHII MARU 39
KABA MARU 88 KAKUZAN MARU 49 KASHIMA MARU 44
KACHAOSAN MARU 85 KAMAKURA MARU 41 KASHIMA MARU 88
KACHIDOKI MARU 67 KAMIKAWA MARU 41 KASHIMA MARU 90
KACHISAN MARU 44 KAMIKAZE MARU 57 KASHIMA MARU 99
KAGA* 2 KAMISHIKA MARU 91 KASHIMASAN MARU 60
KAGERO* 6 KAMITSU MARU 93 KASHINO 33
KAGI MARU 41 KAMO MARU 62 KASHIWA MARU 48
KAGU MARU 74 KAMOGAWA MARU 30 KASHIWA MARU 58
* Naval Vessel

--107--

Name Page Name Page Name Page
K        
KASHU MARU 45 KENJO MARU 92 KINOKAWA MARU 97
KASUGA* 26 KENJO MARU 77 KINOTO MARU 88
KASUGA MARU 40 KENKOKU MARU 45 KINPOSAN MARU 37
KASUGA MARU NO 2 39 KENKOKU MARU 38 KINREI MARU 87
KASUMI* 24 KENKON MARU 38 KINREI MARU 78
KASUMI MARU 90 KENKON MARU NO 7 90 KINREI MARU 59
KASUMI MARU 59 KENKON MARU NO 8 93 KINRYO MARU 65
KATORI* 10 KENNICHI MARU 62 KINRYU MARU 33
KATORI MARU 62 KENRI MARU 58 KINRYUZAN MARU 89
KATORI MARU 96 KENRYU MARU 47 KINSHU MARU 61
KATORI MARU 29 KENSEI MARU 80 KINU* 17
KATSUKAWA MARU 60 KENSHIN MARU 50 KINUGASA* 4
KATSURA MARU 51 KENSHO MARU 53 KINUGASA MARU 70
KATSURA MARU 93 KENUN MARU 34 KINUGAWA MARU 36
KATSURA MARU NO 2 44 KENWA MARU 69 KINYU MARU NO 1 94
KATSURAGI MARU 33 KENYO MARU 40 KINYU MARU NO 2 86
KATSURAGISAN MARU 49 KENYO MARU 50 KINYU MARU NO 3 82
KATSURAHAMA MARU 44 KENYO MARU 84 KINYU MARU NO 4 96
KATSURIKI* 15 KENZAN MARU 47 KINYU MARU NO 6 97
KATSUURA MARU 82 KENZAN MARU 87 KINYU MARU NO 7 98
KAWAKAZE* 7 KENZUI MARU 78 KINYU MARU NO 9 97
KAYO MARU 55 KHAI DINH 36 KINZAN MARU 83
KAZAHAYA 45 KIBI MARU 57 KINZAN MARU NO 11 97
KAZAN MARU 45 KIBI MARU 57 KIRI MARU NO 8 74
KAZEGUMO* 12 KIBITSU MARU 98 KIRIHA MARU 39
KEIAN MARU 67 KIFUNE MARU 91 KIRIKAWA MARU 38
KEIFUKU MARU 37 KIKUKAWA MARU 45 KIRISHIMA* 4
KEIJO MARU 32 KIKUSUI MARU 73 KIRISHIMA MARU 44
KEIJO MARU 74 KIKUTSUKI* 2 KISARAGI* 1
KEIJO MARU 92 KIKUZUKI MARU 51 KISARAGI MARU 76
KEIKO MARU 35 KIMIGAYO MARU 89 KISEI MARU 93
KEISHIN MARU 41 KIMIGAYO MARU NO 2 90 KISHINAMI* 19
KEISHO MARU 45 KIMIKAWA MARU 73 KISHU MARU 85
KEITO MARU 92 KIMISHIMA MARU 55 KISHUN MARU 90
KEIUN MARU 89 KINAI MARU 41 KISO* 18
KEIYO MARU 60 KINE MARU 86 KISO MARU 47
KEIZAN MARU 34 KINJOSAN MARU 31 KISO MARU 67
KEIZAN MARU 84 KINKA MARU 75 KISO MARU 63
KEIZAN MARU 39 KINKAI MARU 34 KISOGAWA MARU 46
KEMBU MARU 39 KINKASAN MARU 45 KITAKATA MARU 31
KENAN MARU 58 KINKO MARU 41 KITAKATA MARU 96
KENAN MARU 92 KINMO MARU 66 KITANO MARU 31
KENEI MARU 80 KINMON MARU 60 KITSURIN MARU 88
* Naval Vessel

--108--

Name Page Name Page Name Page
K          
KIYO MARU 49 KOKKO MARU 43 KOSHIN MARU 51
KIYO MARU 80 KOKKO MARU 61 KOSHIN MARU 85
KIYOKAWA MARU 89 KOKKO MARU 74 KOSHIN MARU 80
KIYONAMI* 6 KOKO MARU 84 KOSHIN MARU 98
KIYOSHIMO* 20 KOKOKU MARU 38 KOSHIN MARU 44
KIYOSHIMO MARU 53 KOKUEI MARU 54 KOSHIN MARU 64
KIYOTADA MARU 97 KOKURYU MARU 42 KOSHO MARU 74
KIZAN MARU 47 KOKURYU MARU 73 KOSHO MARU 59
KIZAN MARU 44 KOKUSEI MARU 70 KOSHU MARU 64
KIZUGAWA MARU 57 KOKUYO MARU 56 KOSHU MARU 85
KOA MARU 40 KOKUYO MARU 64 KOSHU MARU NO 2 69
KOA MARU NO 2 GO 61 KOMADORI MARU 87 KOTAI MARU 74
KOAN MARU 61 KOMAKI MARU 31 KOTO MARU 60
KOAN MARU 92 KOMEI MARU 74 KOTO MARU 63
KOAN MARU 51 KOMYO MARU 97 KOTOBUKI MARU 88
KOAN MARU 89 KONAN MARU 67 KOTOBUKI MARU NO 5 34
KOBE MARU 35 KONAN MARU 42 KOTOBUKI MARU NO 7 90
KOCHI MARU 41 KONAN MARU 48 KOTOHIRA MARU 37
KOCHO MARU 92 KONEI MARU 48 KOTOHIRASAN MARU 98
KOEI MARU 33 KONEI MARU 64 KOTOKU MARU 65
KOEI MARU 64 KONEI MARU 91 KOTOKU MARU 33
KOEI MARU 89 KONGO* 18 KOUN MARU 92
KOETSU MARU 69 KONGO MARU 90 KOUN MARU NO 2 94
KOFUKU MARU 56 KONGO MARU 30 KOWA MARU 39
KOFUKU MARU 91 KONGOSAN MARU 31 KOWA MARU 44
KOFUKU MARU 32 KONRI MARU 93 KOWA MARU 54
KOFUKU MARU 44 KONRON MARU 45 KOWA MARU 98
KOGANE MARU 45 KONSAN MARU 62 KOYO MARU 42
KOGEN MARU 73 KONZAN MARU 92 KOYO MARU 55
KOGEN MARU 54 KORASAN MARU 94 KOYO MARU 44
KOGI MARU 63 KOREI MARU 67 KOYU MARU 50
KOGYO MARU 69 KORI MARU 98 KOZAN MARU 44
KOHO MARU 59 KORYO MARU 46 KOZAN MARU 85
KOHO MARU 83 KORYU MARU 58 KOZAN MARU 90
KOHOKU MARU 70 KORYU MARU 70 KOZAN MARU NO 2 88
KOI MARU 96 KORYU MARU 92 KOZAN MARU NO 2 98
KOICHI MARU 97 KOSEI MARU 39 KOZUI MARU 45
KOJUN MARU 65 KOSEI MARU 40 KUMA* 8
KOJUN MARU 94 KOSEI MARU 46 KUMAGAWA MARU 80
KOKAI MARU 92 KOSEI MARU 40 KUMANO* 19
KOKAI MARU 54 KOSEI MARU 50 KUMANO MARU 77
KOKI MARU 42 KOSEI MARU 51 KUMANOYAMA MARU 62
KOKKA MARU 66 KOSEI MARU 30 KUME* 21
* Naval Vessel

--109--

Name Page Name Page Name Page
K          
           
KUNIKAWA MARU 87 KYOKUZAN MARU 69 MANSHU MARU 66
KUNISHIMA MARU 55 KYORITSU MARU NO 2 46 MANSHU MARU 87
KUNITAMA MARU 46 KYOSEI MARU 54 MANTAI MARU 63
KUNITSU MARU 58 KYUEI MARU 49 MANYO MARU 84
KUNIYAMA MARU 66 KYUKO MARU 95 MARIFU MARU 74
KUNUKI MARU 90 KYURYU MARU 83 MARUKO MARU 86
KURAMA 30 KYUSHU MARU 34 MASAKI MARU NO 2 45
KURAMASAN MARU 74 KYUSHU MARU 93 MASASHIMA MARU 84
KURASAKI* 18     MASAYOSHI MARU 99
KURENAI MARU 66 L   MATSU* 14
KURETAKE* 20     MATSU MARU 63
KURETAKE MARU 90 LEE TUNG 86 MATSU MARU 52
KURETAKE MARU 29 LIMA MARU 52 MATSUE MARU 58
KUROGANE MARU 68 LISBON MARU 33 MATSUEI MARU 56
KUROHIME MARU 40 LIU HSING 51 MATSUKAWA MARU 62
KUROKAMISAN MARU 88 LIVERPOOL MARU 42 MATSUKAZE* 12
KUROSHIO* 6 LONDON MARU 58 MATSUMAE MARU 95
KUROSHIO MARU 81 LUSHAN MARU 52 MATSUMOTO MARU 73
KUSAKAKI* 14 LUZON MARU 83 MATSUO MARU 92
KUSUYAMA MARU 38 LYONS MARU 50 MATSUSHIMA MARU 81
KUWA* 19     MATSUTAN MARU 53
KUWAYAMA MARU 38 M   MATSUWA* 14
KUZAN MARU 50     MAYA* 16
KYODO MARU 79 MACASSAR MARU 70 MAYA MARU 63
KYODO MARU NO 1 89 MADRAS MARU 60 MAYACHI MARU 64
KYODO MARU NO 13 95 MAEBASHI MARU 45 MAYASAN MARU 76
KYODO MARU NO 28 63 MAGANE MARU 51 MEDAN MARU 62
KYODO MARU NO 36 63 MAIKAZE* 10 MEIGEN MARU 40
KYOEI MARU 76 MAKIGUMO* 5 MEIHO MARU 85
KYOEI MARU NO 2 64 MAKANAMI* 8 MEIJI MARU NO 1 40
KYOEI MARU NO 3 96 MALAY MARU 82 MEIKAI MARU 41
KYOEI MARU NO 6 79 MALTA MARU 52 MEIKO MARU 97
KYOEI MARU NO 7 80 MAMIYA 78 MEIKO MARU 29
KYOEI MARU NO 10 79 MANAZURU* 22 MEIRYU MARU 78
KYOGYOKU MARU 87 MANBO MARU 88 MEISEI MARU 91
KYOKKO MARU 46 MANEI MARU 74 MEISHO MARU 50
KYOKKO MARU 78 MANILA MARU 76 MEITEN MARU 42
KYOKO MARU 49 MANJU MARU 47 MEIU MARU 38
KYOKUEI MARU 46 MANJU MARU 81 MEIWA MARU 32
KYOKUHO MARU 70 MANKO MARU 64 MEIYO MARU 33
KYOKUSEI MARU 39 MANKO MARU 46 MEIZAN MARU 43
KYOKUTO MARU 68 MANRYO MARU 71 MENADO MARU 50
KYOKUUN MARU 80 MANRYU MARU 86 MEXICO MARU 65
KYOKUYO MARU 46 MANSEI MARU 36 MIBUNESAN MARU 93
* Naval Vessel

--110--

Name Page Name Page Name Page
M          
MICHI MARU 94 MINESWEEPER NO 13 1 MIYAKAWA MARU NO 6 90
MICHISHIO* 16 MINESWEEPER NO 14 1 MIYAKO MARU 64
MIDORI MARU 34 MINESWEEPER NO 15 23 MIYAURA MARU 59
MIE MARU 43 MINESWEEPER NO 16 7 MIYAZAKI MARU 59
MIFUKU MARU 93 MINESWEEPER NO 18 19 MIZUHO MARU 68
MIHARA MARU 66 MINESWEEPER NO 19 1 MIZUHO* 2
MIHARU MARU 29 MINESWEEPER NO 20 25 MOCHITSUKI* 7
MIHO* 14 MINESWEEPER NO 22 14 MOCHIZUKI MARU 94
MIHO MARU 63 MINESWEEPER NO 24 26 MOGAMI* 16
MIHO MARU 87 MINESWEEPER NO 25 13 MOGAMIGAWA MARU 43
MIIKE MARU 58 MINESWEEPER NO 26 8 MOGI MARU 90
MIIKESAN MARU 65 MINESWEEPER NO 27 26 MOJI MARU 61
MIKAGE MARU 73 MINESWEEPER NO 28 14 MOKUTO* 24
MIKAGE MARU NO 2 58 MINESWEEPER NO 29 25 MOMI* 20
MIKAGE MARU NO 3 32 MINESWEEPER NO 30 18 MOMO* 20
MIKAGE MARU NO 8 42 MINESWEEPER NO 31 8 MOMO MARU 91
MIKAGE MARU NO 18 59 MINESWEEPER NO 33 28 MOMOGAWA MARU 53
MIKAGE MARU NO 20 43 MINESWEEPER NO 34 25 MOMOHA MARU 39
MIKAMISAN MARU 91 MINESWEEPER NO 38 18 MOMOYAMA MARU 39
MIKASA MARU 74 MINESWEEPER NO 39 27 MONTEVIDEO MARU 32
MIKASASAN MARU 99 MINESWEEPER NO 41 24 MONTREAL MARU 37
MIKATSUKI* 7 MINESWEEPER NO 101 21 MORIOKA MARU 30
MIKAZUKI MARU 89 MINESWEEPER NO 3, SPECIAL 24 MOTOR TORPEDO BOAT NO 112* 7
MIKUMA* 2 MINESWEEPER NO 4, SPECIAL 13 MOTOR TORPEDO BOAT NO 113* 7
MIKUNISAN MARU 94 MINESWEEPER NO 7, SPECIAL 15 MUKO MARU 46
MIKURA* 23 MINESWEEPER NO 102, SPECIAL 21 MUNKATA MARU 81
MILAN MARU 44 MINESWEEPER NO 104, SPECIAL 24 MURAKUMO* 3
MINAMI MARU 57 MINESWEEPER NO 105, SPECIAL 25 MURASAME* 5
MINATO MARU 46 MINKO MARU 98 MURO MARU 75
MINATSUKI* 12 MINO MARU 77 MURORAN MARU 78
MINEGUMO* 5 MINRYO MARU 52 MUROTO 73
MINEKAZE* 9 MINYU MARU 61 MUSASHI* 16
MINELAYER NO 1, SPECIAL 23 MIRII MARU 81 MUTSU* 6
MINELAYER NO 4, SPECIAL 18 MISAKI MARU 75 MUTSUKI* 3
MINELAYER NO 101, SPECIAL 12 MISAKI MARU NO 2 66 MUTSURE* 7
MINESWEEPER NO 1 28 MISHIMA MARU 89 MUTSUYO MARU 61
MINESWEEPER NO 3 24 MITAKESAN MARU 59 MYOGI MARU 75
MINESWEEPER NO 5 17 MITAKESAN MARU 93 MYOHO MARU 38
MINESWEEPER NO 6 1 MITO MARU 58 MYOKEN MARU 29
MINESWEEPER NO 7 11 MITSU MARU 94 MYOKO MARU 37
MINESWEEPER NO 9 1 MITSUKI MARU 71 MYOKO MARU 42
MINESWEEPER NO 10 1 MIYADONO MARU 42 MYOSEI MARU 90
MINESWEEPER NO 11 23 MIYAJIMA MARU 88    
MINESWEEPER NO 12 24 MIYAKAWA MARU NO 2 69    
*Naval Vessel          

--111--

Name Page Name Page Name Page
N          
NACHI* 17 NANMEI MARU NO 9 69 NASAMI* 9
NACHI MARU 96 NANNIN MARU 96 NASE MARU 85
NACHISAN MARU 46 NANREI MARU 72 NASHI* 27
NACHIZAN MARU 94 NANRYU MARU NO 1 84 NASU MARU 94
NAGANAMI* 18 NANRYU MARU NO 2 80 NASUSAN MARU 62
NAGANO MARU 53 NANRYU MARU NO 3 82 NATORI* 14
NAGARA* 14 NANSEI MARU 65 NATSUGUMO* 3
NAGARA MARU 84 NANSEI MARU 68 NATSUKAWA MARU 76
NAGARA MARU 35 NANSEI MARU NO 1 84 NATSUSHIMA* 10
NAGARAGAWA MARU 61 NANSHIN MARU 61 NATSUSHIO* 1
NAGASAKI MARU 31 NANSHIN MARU 40 NEIKAI MARU 51
NAGASAKI MARU NO 3 84 NANSHIN MARU 51 NEKKA MARU 47
NAGATA MARU 46 NANSHIN MARU NO 2 76 NENOHI* 3
NAGATA MARU 58 NANSHIN MARU NO 4 79 NICHIAI MARU 52
NAGATO MARU 44 NANSHIN MARU NO 5 71 NICHIAN MARU 66
NAGATSUKI* 6 NANSHIN MARU NO 8 74 NICHIEI MARU 76
NAGAURA* 10 NANSHIN MARU NO 10 79 NICHIEI MARU 79
NAGISAN MARU 57 NANSHIN MARU NO 11 71 NICHIEI MARU 67
NAGOYA MARU 49 NANSHIN MARU NO 12 86 NICHIEI MARU 34
NAKA* 9 NANSHIN MARU NO 13 77 NICHIHO MARU 34
NAKAGAWA MARU 87 NANSHIN MARU NO 14 70 NICHII MARU 47
NAKO MARU 35 NANSHIN MARU NO 18 77 NICHIMAN MARU 66
NAMBA MARU 66 NANSHIN MARU NO 19 82 NICHIMEI MARU 37
NAMINOUE MARU 34 NANSHIN MARU NO 20 71 NICHINAN MARU 76
NAMPO MARU 32 NANSHIN MARU NO 21 85 NICHINAN MARU 56
NAMPO MARU 55 NANSHIN MARU NO 22 91 NICHINAN MARU NO 2 74
NANA MARU 29 NANSHIN MARU NO 23 71 NICHINAN MARU NO 13 86
NANEI MARU 54 NANSHIN MARU NO 24 69 NICHIRAN MARU 63
NANIWA MARU 32 NANSHIN MARU NO 26 71 NICHIREI MARU 55
NANKA MARU 52 NANSHIN MARU NO 27 65 NICHIREN MARU 56
NANKAI MARU 67 NANSHIN MARU NO 30 86 NICHIRIN MARU 54
NANKAI MARU NO 1 71 NANSHIN MARU NO 31 73 NICHIRIN MARU 84
NANKAI MARU NO 2 48 NANYO* 8 NICHIRO MARU 54
NANKI MARU NO 1 92 NANYO MARU 54 NICHIRYO MARU 48
NANKI MARU NO 2 99 NANYO MARU 71 NICHIRYU MARU 37
NANKI MARU NO 5 94 NANYO MARU NO 9 87 NICHIUN MARU 38
NANKI MARU NO 6 97 NAOSHIMA MARU 93 NICHIWA MARU 59
NANKI MARU NO 9 98 NAPLES MARU 47 NICHIYO MARU 77
NANKING MARU 84 NARA* 26 NICHIYOKU MARU 83
NANKO MARU NO 5 89 NARITA MARU 58 NICHIYU MARU 39
NANKO MARU NO 6 77 NARIU* 22 NICHIYU MARU NO 1 93
NANKO MARU NO 7 89 NARUO MARU 75 NICHIYU MARU NO 2 81
NANMAN MARU 45 NARUTO 51 NICHIYU MARU NO 5 96
NANMEI MARU NO 5 94 NARUTO MARU 43 NICHIYU MARU NO 7 93
* Naval Vessel

--112--

Name Page Name Page Name Page
N          
NICHIZUI MARU 72 NISSHO MARU NO 2 84 OGURA MARU NO 2 67
NIGITSU MARU 50 NISSHO MARU NO 5 57 OGURA MARU NO 3 55
NIITAKA MARU 71 NISSHO MARU NO 6 96 OGURASAN MARU 47
NIITAKA MARU 43 NISSHO MARU NO 8 92 OHIO MARU 32
NIIZUKI* 6 NISSHO MARU NO 16 82 OI* 13
NIKKAI MARU 47 NISSHO MARU NO 21 72 OIGAWA MARU 39
NIKKAKU MARU 82 NISSHU MARU 63 OITA MARU 71
NIKKEI MARU 33 NISSHUN MARU 40 OITE* 10
NIKKI MARU 55 NITCHO MARU 61 OJIKA* 25
NIKKIN MARU 62 NITCHO MARU 90 OKIGAWA MARU 69
NIKKO MARU 47 NITTAI MARU 55 OKIKAZE* 4
NIKKO MARU 50 NITTATSU MARU 58 OKINAMI* 18
NIKKO MARU 86 NITTEI MARU 89 OKINAWA* 27
NIKKO MARU 62 NITTEI MARU 79 OKINAWA MARU 59
NIKKO MARU NO 1 78 NITTETSU MARU 72 OKINOSHIMA* 2
NIKKOKU MARU 29 NITTO MARU 62 OKINOYAMA MARU 82
NIKKOSAN MARU 89 NITTOKU MARU 52 OKINOYAMA MARU NO 3 56
NIKKYO MARU 43 NITTSU MARU 39 OKINOYAMA MARU NO 5 85
NIKKYU MARU 42 NIYO MARU 68 OKITSU MARU 51
NIPPO MARU 73 NIYO MARU 33 OKUNI MARU 65
NIPPO MARU 62 NOBORIKAWA MARU 42 OKUYO MARU 49
NIPPO MARU 63 NOJIMA 39 OLYMPIA MARU 69
NIPPO MARU 53 NOJIMA MARU 33 OMI MARU 37
NIPPON MARU 50 NOKAZE* 22 OMINESAN MARU 55
NIPPONKAI MARU 61 NOMI* 24 OMUROSAN MARU 78
NIPPU MARU 94 NORFOLK MARU 65 ONAMI* 8
NISHI MARU 75 NORWAY MARU 68 ONDO* 75
NISHIYAMA MARU 43 NOSHIRO* 17 ONOE MARU 47
NISSAN MARU 32 NOSHIRO MARU 68 OREGON MARU 36
NISSAN MARU NO 1 90 NOSHIRO MARU 58 ORIDONO MARU 31
NISSEI MARU 69 NOTO MARU 74 ORYOKU MARU 78
NISSEI MARU 82 NOTORO* 17 OSAKA MARU 60
NISSEN MARU NO 6 95 NOWAKI* 17 OSE 57
NISSHI MARU 70 NOZAKE* 78 OSHIKAYAMA MARU 92
NISSHIN* 7 NUMAKAZE* 8 OSHIO* 5
NISSHIN MARU 59     OTAKA* 14
NISSHIN MARU 86 O   OTORI* 12
NISSHIN MARU NO 2 99     OTORI MARU 59
NISSHIN MARU NO 2 40 OBORO* 3 OTORI MARU 48
NISSHIN MARU NO 3 54 ODATE* 23 OTORIYAMA MARU 63
NISSHO MARU 55 ODATSUKI MARU 52 OTOWASAN MARU 78
NISSHO MARU 92 OEI MARU 82 OTSUYAMA MARU 80
NISSHO MARU 96 OGASHIMA MARU 51 OYAMA MARU 40
NISSHO MARU NO 1 88 OGURA MARU NO 1 68 OYASHIMA MARU 63
* Naval Vessel

--113--

Name Page Name Page Name Page
O          
OYASHIO* 6 REKIZAN MARU 88 RO 109* 25
OYO MARU 72 RENZAN MARU 37 RO 110* 9
OYODO* 27 RIKKO MARU 84 RO 111* 12
    RIO DE JANEIRO MARU 53 RO 112* 22
P   RISEN MARU 78 RO 113* 22
    RISSHUN MARU 68 RO 114* 12
PACIFIC MARU 74 RISUI MARU 85 RO 115* 21
PALAO MARU 32 RIZAN MARU 68 RO 116* 11
PALEMBANG MARU 84 RO 30* 1 RO 117* 12
PANAMA MARU 51 RO 32* 3 RO 501* 11
PARAN MARU 52 RO 33* 3 ROKKO MARU 70
PATROL BOAT NO 1* 4 RO 34* 5 ROKKOSAN MARU 69
PATROL BOAT NO 2* 27 RO 35* 2 ROKO MARU 64
PATROL BOAT NO 31* 10 RO 36* 12 ROKUZAN MARU 97
PATROL BOAT NO 32* 1 RO 37* 8 RONSAN MARU 52
PATROL BOAT NO 33* 1 RO 38* 8 ROSSBACK 59
PATROL BOAT NO 35* 4 RO 39* 9 ROZAN MARU 68
PATROL BOAT NO 37* 1 RO 40* 9 RYOCHI MARU 72
PATROL BOAT NO 38* 19 RO 41* 24 RYOEI MARU 84
PATROL BOAT NO 39* 5 RO 42* 14 RYOKA MARU 52
PATROL BOAT NO 46* 18 RO 43* 22 RYOKAI MARU 43
PATROL BOAT NO 103* 21 RO 44* 12 RYOKUSEI MARU 36
PATROL BOAT NO 105* 19 RO 45* 11 RYOTOKU MARU 44
PATROL BOAT NO 107* 17 RO 46* 24 RYOYO MARU 58
PATROL BOAT NO 108* 23 RO 47* 21 RYUA MARU 56
PEIHUA 85 RO 48* 13 RYUEI MARU 49
PEKING MARU 64 RO 49* 22 RYUEI MARU 73
PEKING MARU 90 RO 55* 22 RYUEI MARU NO 6 97
PENANG MARU 40 RO 56* 24 RYUHO MARU NO 1 93
PETEREL* 7 RO 60* 1 RYUHO MARU NO 2 99
PING SANG* 8 RO 61* 3 RYUJIN MARU 31
PLUTO GO 93 RO 64* 24 RYUJIN MARU 91
    RO 65* 3 RYUJO* 3
R   RO 66* 1 RYUKO MARU 57
    RO 67* 24 RYUKO MARU 62
RAIZAN MARU 57 RO 100* 19 RYUKO MARU 50
RAKUTO MARU 67 RO 101* 6 RYUNAN MARU 34
RAKUYO MARU 67 RO 102* 5 RYUOSAN MARU 46
RAKUZAN MARU 99 RO 103* 7 RYUSEI MARU 55
RASHIN MARU 98 RO 104* 11 RYUSEI MARU 71
REIAN MARU 93 RO 105* 12 RYUSHO MARU 80
REIKAI MARU 61 RO 106* 11 RYUTO MARU 49
REIYO MARU 63 RO 107* 6 RYUWA MARU 99
REIZAN MARU 81 RO 108* 11 RYUYO MARU 49
* Naval Vessel

--114--

Name Page Name Page Name Page
R          
RYUYU MARU 83 SANJU MARU 64 SEIKAN MARU NO 10 95
RYUZAN MARU 43 SANKA MARU 84 SEIKI MARU 41
RYUZAN MARU 82 SANKISAN MARU 53 SEIKO MARU 53
    SANKO MARU 52 SEIKO MARU 64
S   SANKO MARU 81 SEIKYO MARU 52
    SANKO MARU 86 SEIKYO MARU 34
SABANG MARU 97 SANNAN MARU NO 2 63 SEINAN MARU 42
SADO* 14 SANNAN MARU NO 3 86 SEINAN MARU 51
SADO MARU 35 SANRAKU MARU 42 SEIRI MARU 88
SADO MARU 31 SANSEI MARU 48 SEIRYU MARU 59
SAGA* 15 SANSEI MARU 62 SEISHIN MARU 84
SAGAMI MARU 92 SANSHO MARU 65 SEISHIN MARU 97
SAGAMI MARU 35 SANTEN MARU 89 SEISHO MARU 76
SAGAMIGAWA MARU 87 SANTO MARU 98 SEISHU MARU 90
SAGARA MARU 42 SANTOS MARU 77 SEITAI MARU 43
SAGAWA MARU 91 SANUKI MARU 82 SEITO MARU 73
SAGI* 17 SANWA MARU 45 SEIWA MARU 75
SAGIRI* 1 SANYO MARU 79 SEIYO MARU 61
SAIGON MARU 68 SANYO MARU 60 SEIZAN MARU 92
SAIHO MARU 74 SANYU MARU 50 SEIZAN MARU 55
SAIKAI MARU NO 5 96 SAPPORO MARU NO 11 94 SEIZAN MARU 43
SAIKYO MARU 32 SAPPORO MARU NO 12 40 SEIZAN MARU NO 2 49
SAINAN MARU 66 SARAWAK MARU 85 SEKIHO MARU 75
SAINEI MARU 63 SARUSHIMA* 13 SEKINO MARU 66
SAIPAN MARU 43 SASAKO MARU 34 SEKIYO MARU 83
SAISHU MARU 49 SATA* 57 SEKKO MARU 43
SAITO MARU 94 SATSUKI* 15 SENDAI* 8
SAITSU MARU 94 SATSUKI MARU 40 SENKAI MARU 34
SAKAE MARU 76 SATSUMA MARU 52 SENSAN MARU 37
SAKISHIMA MARU 94 SAWA MARU 91 SENYO MARU 33
SAKITO MARU 55 SAZANAMI* 8 SENZAN MARU 95
SAKURA* 26 SEATTLE MARU 63 SERIA MARU 97
SAKURA MARU 30 SEIA MARU 64 SETAGAWA MARU 94
SAKURA MARU 94 SEIAN MARU 76 SETSUYO MARU 34
SAMIDARE* 13 SEIAN MARU 70 SETSUZAN MARU 63
SAMUI 84 SEIKAI MARU 44 SHANGHAI MARU 46
SAMUKAZE MARU 88 SEIKAI MARU 51 SHANGHAI MARU 40
SAN CLEMENTE MARU 41 SEIKAI MARU 33 SHIBAZONO MARU 78
SAN FRANCISCO MARU 53 SEIKAI MARU NO 2 79 SHICHISEI MARU 49
SAN LUIS MARU 80 SEIKAN MARU NO 1 95 SHICHIYO MARU 68
SAN PEDRO MARU 62 SEIKAN MARU NO 2 95 SHIGA MARU 60
SAN RAMON MARU 47 SEIKAN MARU NO 3 95 SHIGANOURA MARU 47
SANA MARU 45 SEIKAN MARU NO 4 95 SHIGURE* 21
SANAYE* 8 SEIKAN MARU NO 5 84 SHIGURE MARU 34
* Naval Vessel

--115--

Name Page Name Page Name Page
S        
SHIKINAMI* 14 SHINO MARU 74 SHINYO MARU NO 8 70
SHIKISAN MARU 73 SHINONOME* 1 SHINYU MARU 58
SHIMA MARU 62 SHINPEN MARU 87 SHINYU MARU 45
SHIMAKAZE* 18 SHINRAGI MARU 89 SHINYUBARI MARU 55
SHIMONOSEKI MARU 91 SHINREI MARU 59 SHINZAN MARU 88
SHIMOSA MARU 95 SHINRO MARU 86 SHINZUI MARU 29
SHIMOTSU MARU 74 SHINRYU MARU 42 SHIOKUBI MARU 90
SHIMOTSUKI* 19 SHINRYU MARU 59 SHIOYA 60
SHIMOTSUKI MARU 92 SHINSEI MARU 56 SHIRAHA MARU 37
SHIMPO MARU 64 SHINSEI MARU 79 SHIRAHAMA MARU 64
SHINAI MARU 39 SHINSEI MARU 81 SHIRAHI MARU 92
SHINAI MARU 67 SHINSEI MARU NO 1 73 SHIRAKAMI* 10
SHINAN MARU 71 SHINSEI MARU NO 5 77 SHIRAKUMO* 10
SHINANO* 19 SHINSEI MARU NO 6 33 SHIRANE MARU 59
SHINANOGAWA MARU 35 SHINSEI MARU NO 11 93 SHIRANESAN MARU 72
SHINCHIYO MARU 87 SHINSEI MARU NO 17 81 SHIRANUHI* 17
SHINCHO MARU 82 SHINSEI MARU NO 18 56 SHIRATAKA* 14
SHINEI MARU 42 SHINSEN MARU 91 SHIRATSUYU* 12
SHINEI MARU 64 SHINSHO MARU 77 SHIRAYUKI* 5
SHINEI MARU NO 2 89 SHINSHO MARU 32 SHIRETOKO 82
SHINEI MARU NO 3 98 SHINSHU MARU 78 SHIRETOKO MARU 66
SHINETSU MARU 77 SHINSHU MARU 72 SHIRIYA 44
SHINFUKU MARU 78 SHINSOKU MARU 54 SHIROGANE MARU 33
SHINGETSU MARU 66 SHINTAI MARU 96 SHIROGANESAN MARU 64
SHINGI MARU 80 SHINTAI MARU NO 3 71 SHIROTAE MARU 72
SHINGO MARU 36 SHINTAI MARU NO 5 67 SHISEN MARU 60
SHINGU MARU 58 SHINTAI MARU NO 7 98 SHOAN MARU 96
SHINI MARU 47 SHINTEN MARU 66 SHOAN MARU 38
SHINJU MARU 42 SHINTO MARU 61 SHOBU MARU 91
SHINKA MARU 93 SHINTO MARU 94 SHOBU MARU 55
SHINKI MARU 70 SHINTO MARU 77 SHOEI MARU 78
SHINKO MARU 46 SHINTO MARU NO 1 54 SHOEI MARU 81
SHINKO MARU 72 SHINTO MARU NO 1 85 SHOEI MARU 48
SHINKO MARU 93 SHINTO MARU NO 2 86 SHOEI MARU 31
SHINKO MARU NO 1 79 SHINTOKU MARU 42 SHOEI MARU 41
SHINKO MARU NO 1 76 SHINWA MARU 47 SHOEI MARU 77
SHINKOKU MARU 54 SHINYO MARU 56 SHOEI MARU NO 6 91
SHINKOKU MARU 75 SHINYO MARU 69 SHOEKI MARU 78
SHINKOKU MARU 38 SHINYO MARU 32 SHOFUKU MARU 61
SHINKYO MARU 55 SHINYO MARU 66 SHOFUKU MARU 99
SHINKYO MARU 56 SHINYO MARU 79 SHOFUKU MARU 88
SHINMEI MARU 63 SHINYO MARU NO 2 46 SHOFUKU MARU 33
SHINMEI MARU 62 SHINYO MARU NO 3 91 SHOGEN MARU 64
SHINNAN MARU 88 SHINYO MARU NO 5 30 SHOGEN MARU 44
* Naval Vessel

--116--

Name Page Name Page Name Page
S          
SHOHEI MARU 59 SHOTOKU MARU 42 SUBMARINE CHASER NO 22* 10
SHOHEI MARU 82 SHOUN MARU 61 SUBMARINE CHASER NO 24* 9
SHOHO* 2 SHOWA MARU 33 SUBMARINE CHASER NO 25* 3
SHOHO MARU 73 SHOWA MARU 43 SUBMARINE CHASER NO 27* 3
SHOHO MARU 95 SHOYO MARU 91 SUBMARINE CHASER NO 29* 10
SHOHO MARU 96 SHOYO MARU 44 SUBMARINE CHASER NO 31* 21
SHOHO MARU 49 SHOYU MARU 50 SUBMARINE CHASER NO 32* 15
SHOHO MARU 55 SHOYU MARU 84 SUBMARINE CHASER NO 33* 23
SHOHO MARU 76 SHOZAN MARU 86 SUBMARINE CHASER NO 34* 23
SHOJIN MARU 42 SHOZAN MARU 45 SUBMARINE CHASER NO 35* 22
SHOJIN MARU 56 SHOZAN MARU 63 SUBMARINE CHASER NO 37* 25
SHOJU MARU 43 SHOZAN MARU 42 SUBMARINE CHASER NO 39* 10
SHOKA MARU 52 SHOZAN MARU 90 SUBMARINE CHASER NO 40* 10
SHOKA MARU 96 SHOZUI MARU 62 SUBMARINE CHASER NO 42* 28
SHOKA MARU 31 SHUKO MARU 51 SUBMARINE CHASER NO 43* 21
SHOKAI MARU 97 SHUN YUAN 69 SUBMARINE CHASER NO 45* 19
SHOKAI MARU NO 2 96 SHUNKO MARU 50 SUBMARINE CHASER NO 46* 18
SHOKAI MARU NO 5 97 SHUNKO MARU 34 SUBMARINE CHASER NO 50* 13
SHOKAKU* 12 SHUNSAN MARU NO 2 55 SUBMARINE CHASER NO 53* 19
SHOKEI MARU 99 SHUNSEI MARU 31 SUBMARINE CHASER NO 54* 10
SHOKEI MARU 66 SHUNSEN MARU 79 SUBMARINE CHASER NO 55* 14
SHOKEN MARU 60 SHUNTAI MARU 51 SUBMARINE CHASER NO 57* 26
SHOKO MARU 96 SHUNTEN MARU 76 SUBMARINE CHASER NO 58* 25
SHOKO MARU 41 SHURI MARU 81 SUBMARINE CHASER NO 61* 20
SHOKO MARU 47 SHUTTLE BOAT NO 833* 26 SUBMARINE CHASER NO 63* 23
SHOKYU MARU 30 SHUYO MARU 76 SUBMARINE CHASER NO 2* SPECIAL 15
SHONAN* 22 SIBERIA MARU 69 SUBMARINE CHASER NO 4* SPECIAL 22
SHONAN MARU 86 SOKA MARU 85 SUBMARINE CHASER NO 5* SPECIAL 7
SHONAN MARU 44 SOKUTEN* 13 SUBMARINE CHASER NO 8* SPECIAL 14
SHONAN MARU 77 SOMEDONO MARU 38 SUBMARINE CHASER NO 10* SPECIAL 20
SHONAN MARU 31 SONG GIANG MARU 58 SUBMARINE CHASER NO 12* SPECIAL 7
SHONAN MARU 64 SONJO MARU 86 SUBMARINE CHASER NO 14* SPECIAL 8
SHONAN MARU 66 SORYU* 2 SUBMARINE CHASER NO 15* SPECIAL 16
SHORI MARU 84 SOSHU MARU 93 SUBMARINE CHASER NO 16* SPECIAL 9
SHORI MARU 94 SOYO MARU 48 SUBMARINE CHASER NO 18* SPECIAL 9
SHORYU MARU 98 SUBMARINE CHASER NO 2* 26 SUBMARINE CHASER NO 19* SPECIAL 9
SHORYU MARU 59 SUBMARINE CHASER NO 6* 11 SUBMARINE CHASER NO 21* SPECIAL 9
SHORYU MARU 66 SUBMARINE CHASER RO 7* 24 SUBMARINE CHASER NO 22* SPECIAL 10
SHOSEI MARU 56 SUBMARINE CHASER NO 8* 22 SUBMARINE CHASER NO 23* SPECIAL 13
SHOSEI MARU 59 SUBMARINE CHASER NO 11* 8 SUBMARINE CHASER NO 25* SPECIAL 9
SHOTO MARU 84 SUBMARINE CHASER NO 12* 14 SUBMARINE CHASER NO 26* SPECIAL 11
SHOTO MARU 78 SUBMARINE CHASER NO 13* 5 SUBMARINE CHASER NO 28* SPECIAL 9
SHOTO MARU 43 SUBMARINE CHASER NO 16* 13 SUBMARINE CHASER NO 29* SPECIAL 10
SHOTOKU MARU 38 SUBMARINE CHASER NO 17* 25 SUBMARINE CHASER NO 30* SPECIAL 8
* Naval Vessel

--117--

Name Page Name Page Name Page
S          
SUBMARINE CHASER NO 31*, SPECIAL 7 SUGIYAMA MARU 75 TAICHU MARU 45
SUBMARINE CHASER NO 33*, SPECIAL 9 SUITEN MARU 84 TAICHU MARU 58
SUBMARINE CHASER NO 34*, SPECIAL 10 SUMA* 23 TAIEI MARU 56
SUBMARINE CHASER NO 35*, SPECIAL 12 SUMANOURA MARU 29 TAIEI MARU 69
SUBMARINE CHASER NO 37*, SPECIAL 26 SUMATRA MARU 73 TAIEI MARU 91
SUBMARINE CHASER NO 38*, SPECIAL 11 SUMATRA MARU 41 TAIEI MARU 31
SUBMARINE CHASER NO 39*, SPECIAL 15 SUMERUSAN MARU 40 TAIETSU MARU 82
SUBMARINE CHASER NO 40*, SPECIAL 8 SUMIDA MARU 58 TAIFUKU MARU 43
SUBMARINE CHASER NO 42*, SPECIAL 26 SUMIDA MARU 41 TAIGEN MARU 92
SUBMARINE CHASER NO 46*, SPECIAL 11 SUMIYOSHI MARU 34 TAIGEN MARU 31
SUBMARINE CHASER NO 47*, SPECIAL 10 SUNOSAKI* 15 TAIGYO MARU 82
SUBMARINE CHASER NO 48*, SPECIAL 10 SURABAYA MAR 38 TAIHA MARU NO 1 96
SUBMARINE CHASER NO 49*, SPECIAL 10 SURAKARUTA MARU 68 TAIHAKU MARU 73
SUBMARINE CHASER NO 50*, SPECIAL 26 SURUGA MARU 66 TAIHEI MARU 63
SUBMARINE CHASER NO 53*, SPECIAL 11 SURUGA MARU 38 TAIHO* 12
SUBMARINE CHASER NO 54*, SPECIAL 12 SUWA MARU 40 TAIHO MARU 54
SUBMARINE CHASER NO 56*, SPECIAL 12 SUZAN MARU 52 TAIHO MARU 72
SUBMARINE CHASER NO 62*, SPECIAL 16 SUZUKAZE* 8 TAIHOSAN MARU 39
SUBMARINE CHASER NO 66*, SPECIAL 28 SUZUNAMI* 8 TAIHO MARU NO 2 90
SUBMARINE CHASER NO 77*, SPECIAL 14 SUZUYA* 16 TAIJIMA MARU 59
SUBMARINE CHASER NO 94*, SPECIAL 14 SUZUYA MARU 42 TAIJIN MARU 54
SUBMARINE CHASER NO 95*, SPECIAL 16 SYDNEY MARU 40 TAIJIN MARU 56
SUBMARINE CHASER NO 96*, SPECIAL 20 SYDNEY MARU 47 TAIJO MARU 86
SUBMARINE CHASER NO 101*, SPECIAL 24     TAIJUN MARU 31
SUBMARINE CHASER NO 109*, SPECIAL 7 T   TAIJUN MARU 59
SUBMARINE CHASER NO 110*, SPECIAL 23     TAIKA MARU 33
SUBMARINE CHASER NO 112*, SPECIAL 25 TACHI MARU 59 TAIKAI MARU 71
SUBMARINE CHASER NO 113*, SPECIAL 26 TACHIBANA* 26 TAIKAI MARU 72
SUBMARINE CHASER NO 114*, SPECIAL 22 TACHIBANA MARU 70 TAIKEI MARU 54
SUBMARINE CHASER NO 116*, SPECIAL 18 TACHIKAZE* 9 TAIKEN MARU 83
SUBMARINE CHASER NO 117*, SPECIAL 27 TACOMA MARU 52 TAIKO MARU 47
SUBMARINE CHASER NO 118*, SPECIAL 17 TADO MARU 91 TAIKO MARU 63
SUBMARINE CHASER NO 156*, SPECIAL 18 TAGA MARU 91 TAIKO MARU 44
SUBMARINE CHASER NO 165*, SPECIAL 14 TAGA MARU 46 TAIKO MARU 43
SUBMARINE CHASER NO 172*, SPECIAL 25 TAGAMI MARU 96 TAIKO MARU 63
SUBMARINE CHASER NO 188*, SPECIAL 26 TAGONOURA MARU 44 TAIKOKU MARU 59
SUBMARINE CHASER NO 192*, SPECIAL 23 TAHURE* 11 TAIKYO MARU 82
SUBMARINE CHASER NO 195*, SPECIAL 25 TAIAN MARU 45 TAIKYU MARU 92
SUBMARINE CHASER NO 207*, SPECIAL 27 TAIAN MARU 45 TAIMAN MARU NO 1 82
SUBMARINE CHASER NO 210*, SPECIAL 25 TAIAN MARU 51 TAIMEI MARU 39
SUBMARINE CHASER NO 237*, SPECIAL 25 TAIAN MARU NO 2 63 TAIMEI MARU 73
SUDDHADIB GOO 91 TAIBIN MARU 70 TAIMEI MARU 74
SUEZ MARU 47 TAIBU MARU 59 TAINAN MARU 41
SUGI MARU NO 5 65 TAIBUN MARU 43 TAINAN MARU 47
* Naval Vessel

--118--

Name Page Name Page Name Page
T          
TAINAN MARU 62 TAKA MARU 95 TAMAGAWA MARU 30
TAIPOSEK 81 TAKACHIHO MARU 39 TAMAHIME MARU 60
TAIRAI MARU 82 TAKAKAWA MARU NO 3 99 TAMAHOKO MARU 62
TAIRI GO 94 TAKAMISAN MARU 41 TAMANAMI* 13
TAIRIKU MARU 83 TAKANAMI* 4 TAMASHIMA MARU 52
TAIRIN MARU 45 TAKANE MARU 74 TAMATSU MARU 44
TAIRIN MARU 62 TAKAO MARU 29 TAMATSU MARU 65
TAIRYO MARU 43 TAKAO MARU 41 TAMISHIMA MARU 43
TAIRYU MARU 32 TAKAOKA MARU 60 TAMON MARU 41
TAIRYU MARU 54 TAKAOSAN MARU 40 TAMON MARU NO 5 41
TAIRYU MARU 89 TAKASAGO MARU 87 TAMON MARU NO 6 33
TAISEI MARU 44 TAKASAGO MARU NO 2 88 TAMON MARU NO 8 49
TAISEI MARU 95 TAKASAGO MARU NO 3 68 TAMON MARU NO 12 86
TAISEI MARU 86 TAKASAGO MARU NO 6 85 TAMON MARU NO 15 82
TAISHI MARU 63 TAKASAGO MARU NO 7 73 TAMON MARU NO 16 99
TAISHIN MARU 89 TAKASAGO MARU NO 8 87 TANGO MARU 46
TAISHIN MARU 78 TAKASAGO MARU NO 9 83 TANGO MARU 46
TAISHIN MARU 52 TAKASAGO MARU NO 11 87 TANGO MARU 55
TAISHIN MARU NO 2 96 TAKASAGO MARU NO 12 93 TANGSHAN MARU 43
TAISHO MARU 54 TAKASAGO MARU NO 13 88 TANGYANG MARU 84
TAISHO MARU 51 TAKASAGO MARU NO 14 90 TANIKAZE* 12
TAISHO MARU 91 TAKASAGO MARU NO 15 87 TARAKAN MARU 79
TAISHO MARU 73 TAKASAKI 60 TARUSHIMA MARU 50
TAISHO MARU NO 1 96 TAKASAN MARU 63 TARUYASU MARU 93
TAISHU MARU 29 TAKASEGAWA MARU 92 TASMANIA MARU 77
TAISHU MARU 87 TAKASHIMA MARU 61 TATEBE MARU 80
TAISHUN MARU 99 TAKATORI MARU NO 1 62 TATEBU MARU 48
TAISOKU MARU 55 TAKATSU MARU 74 TATEISHI* 23
TAITEN MARU 73 TAKE MARU 94 TATEISHI MARU 70
TAITO MARU 92 TAKECHI MARU NO 3 94 TATEKAWA MARU 60
TAITO MARU 99 TAKEGAWA MARU 58 TATEKAWA MARU NO 2 83
TAITO MARU 60 TAKEKUN MARU 66 TATEYAMA MARU 48
TAIU MARU 91 TAKESHIMA MARU 92 TATEYAMA MARU 38
TAIUN MARU NO 1 93 TAKETOYO MARU 65 TATEYAMA MARU 84
TAIUN MARU NO 2 62 TAKI MARU 30 TATSUAKI MARU 75
TAIUN MARU NO 9 87 TAKKO MARU 86 TATSUBATO MARU 80
TAIYO MARU 31 TAKUNAN MARU 70 TATSUCHIYO MARU 88
TAIYO MARU 73 TAKUSEI MARU 34 TATSUFUKU MARU 32
TAIYOKU MARU 59 TAMA* 17 TATSUHA MARU 54
TAIYU MARU 66 TAMA MARU 63 TATSUINE MARU 89
TAIYU MARU 69 TAMA MARU NO 2 37 TATSUJU MARU 73
TAIZAN MARU 32 TAMAE MARU 86 TATSUKAMI MARU 29
TAIZAN MARU 74 TAMAE MARU 88 TATSUKIKU MARU 54
* Naval Vessel

--119--

Name Page Name Page Name Page
T          
TATSUMI MARU 52 TEMPI MARU 72 TOEN MARU 39
TATSUMIYA MARU 99 TENEI MARU 81 TOFUKU MARU 49
TATSUMOMO MARU 83 TENKAI MARU 44 TOHO MARU 92
TATSUNAN MARU 40 TENNAN MARU 45 TOHO MARU 40
TATSUNO MARU 50 TENPEI MARU 59 TOHO MARU 50
TATSUSHIRO MARU 70 TENPOSAN MARU 49 TOHO MARU 60
TATSUSUGI MARU 99 TENRYO MARU 90 TOKACHI MARU 37
TATSUTA* 10 TENRYU* 4 TOKACHI MARU 87
TATSUTA MARU 38 TENRYU MARU 57 TOKAI MARU 63
TATSUTAGAWA MARU 61 TENRYU MARU 49 TOKAI MARU 96
TATSUTAKAWA MARU 96 TENRYUGAWA MARU 61 TOKAI MARU 38
TATSUTAKE MARU 41 TENSHIN MARU 50 TOKAI MARU NO 2 86
TATSUTSUYU MARU 94 TENSHIN MARU 64 TOKAI MARU NO 4 73
TATSUURA MARU 75 TENSHIN MARU 73 TOKAI MARU NO 5 94
TATSUWA MARU 88 TENSHINZAN MARU 59 TOKIHIME MARU 51
TAZAN MARU 31 TENSHO MARU 74 TOKITSUKAZE* 5
TEIA MARU 65 TENSHO MARU 99 TOKIWA MARU 48
TEIAN MARU 29 TENSHO MARU 90 TOKIWA MARU 42
TEIBI MARU 45 TENYO MARU 30 TOKIWA MARU 58
TEIBO MARU 33 TENYO MARU NO 2 55 TOKIWASAN MARU 66
TEIFU MARU 81 TENYU MARU 33 TOKO MARU 52
TEIFUKU MARU 37 TENZAN MARU 35 TOKO MARU 72
TEIHOKU MARU 99 TENZAN MARU 32 TOKO MARU 86
TEIKA MARU 88 TERUKAWA MARU 48 TOKUHEI MARU 65
TEIKAI MARU 78 TERUKUNI MARU 72 TOKUSHIMA MARU 67
TEIKIN MARU 43 TERUSHIMA MARU 41 TOKUWA MARU 70
TEIKO MARU 54 TERUTSUKI* 4 TOKUYUSAN MARU 64
TEIKON MARU 64 TESHIO MARU 56 TOKYO MARU 31
TEIKYU MARU 33 TETSUWA MARU 46 TOKYO MARU 46
TEIREN MARU 48 TETSUZAN MARU 38 TOMIOKA MARU 41
TEIRITSU MARU 97 TETSUZAN MARU 71 TOMITSU MARU 73
TEIRYU MARU 63 THAMES MARU 43 TOMIURA MARU 37
TEISEN MARU 59 TIEN LEE 38 TOMOZURU* 23
TEISHO MARU 71 TIENTSIN MARU 65 TONAN MARU 47
TEISHU MARU 87 TOA MARU 47 TONAN MARU NO 2 65
TEISHUN MARU 33 TOA MARU NO 2 38 TONAN MARU NO 3 54
TEISON MARU 34 TOAN MARU 65 TONE* 27
TEIUN MARU 29 TOBA MARU 31 TONE MARU 94
TEIYO MARU 39 TOBI MARU 90 TONE MARU 70
TEIYO MARU 65 TOBI MARU 90 TONE MARU 33
TEIYU MARU 75 TOEI MARU 37 TONEGAWA MARU 64
TEIZUI MARU 86 TOEI MARU 52 TONEI MARU 45
TEKKAI MARU 35 TOEI MARU 65 TORA MARU NO 1 87
* Naval Vessel

--120--

Name Page Name Page Name Page
T          
TORAI MARU 89 TRANSPORT NO 2* 14 TRANSPORT NO 150* 13
TORO MARU 29 TRANSPORT NO 3* 15 TRANSPORT NO 151* 18
TORYU MARU 87 TRANSPORT RO 4* 14 TRANSPORT NO 152* 14
TOSAN MARU 63 TRANSPORT NO 5* 14 TRANSPORT NO 154* 20
TOSEI MARU 33 TRANSPORT NO 6* 19 TRANSPORT NO 157* 20
TOSEI MARU 41 TRANSPORT NO 7* 20 TRANSPORT NO 158* 15
TOSEI MARU 48 TRANSPORT NO 8* 20 TRANSPORT NO 159* 20
TOSEI MARU 57 TRANSPORT NO 10* 19 TRANSPORT NO 160* 18
TOSEI MARU 65 TRANSPORT NO 11* 19 TRANSPORT NO 161* 19
TOSEI MARU NO 2 67 TRANSPORT NO 12* 20 TRANSPORT NO 173* 25
TOSEI MARU NO 5 94 TRANSPORT NO 14* 21 TRANSPORT NO 176* 27
TOSHIN MARU 54 TRANSPORT NO 15* 21 TSINGTAO MARU 72
TOSHO MARU 65 TRANSPORT NO 17* 23 TSUBAME* 22
TOSHO MARU 69 TRANSPORT NO 18* 23 TSUGA* 21
TOTAI MARU 48 TRANSPORT NO 21* 28 TSUGARU* 13
TOTEN MARU 60 TRANSPORT NO 101* 21 TSUGARU MARU 95
TOTTORI MARU 89 TRANSPORT NO 102* 21 TSUKI MARU NO 1 93
TOUN MARU 73 TRANSPORT NO 103* 13 TSUKIKAWA MARU 56
TOYAMA MARU 62 TRANSPORT NO 104* 20 TSUKINADA MARU 45
TOYO MARU 67 TRANSPORT NO 105* 15 TSUKUBA MARU 59
TOYO MARU 94 TRANSPORT NO 106* 20 TSUKUBASAN MARU 68
TOYO MARU 40 TRANSPORT NO 107* 20 TSUKUSHI* 8
TOYO MARU 42 TRANSPORT NO 109* 20 TSUKUSHI MARU 65
TOYO MARU NO 2 40 TRANSPORT NO 111* 18 TSUKUSHI MARU NO 2 63
TOYO MARU NO 5 52 TRANSPORT NO 112* 17 TSUKUSHI MARU NO 3 85
TOYO MARU NO 8 52 TRANSPORT NO 114* 22 TSUNESHIMA MARU 48
TOYOHARA MARU 31 TRANSPORT NO 115* 22 TSURUGA MARU 29
TOYOHASHI MARU 32 TRANSPORT NO 128* 12 TSURUGISAN MARU 37
TOYOHI MARU 59 TRANSPORT NO 129* 14 TSURUHA MARU 65
TOYOKAWA MARU 94 TRANSPORT NO 130* 13 TSURUKAWA MARU NO 3 96
TOYOKUNI MARU 55 TRANSPORT NO 132* 20 TSURUMI 64
TOYOOKA MARU 66 TRANSPORT NO 133* 14 TSURUSHIMA MARU 62
TOYOSAKA MARU 83 TRANSPORT NO 134* 15 TSUSHIMA MARU 65
TOYOSHIMA MARU 99 TRANSPORT NO 135* 16 TSUYAMA MARU 70
TOYOTSU MARU 30 TRANSPORT NO 136* 16    
TOYOURA MARU 59 TRANSPORT NO 138* 17 U  
TOYU MARU 80 TRANSPORT NO 139* 17    
TOYU MARU 95 TRANSPORT NO 140* 21 UCHIDE MARU 55
TOYU MARU NO 1 88 TRANSPORT NO 141* 18 UDO MARU 46
TOYU MARU NO 3 89 TRANSPORT NO 143* 22 UGA MARU 65
TOYU MARU NO 6 96 TRANSPORT NO 145* 24 UGO MARU 72
TRAN NINH 40 TRANSPORT NO 146* 25 UJI MARU 51
TRANSPORT NO 1* 12 TRANSPORT NO 149* 26 UJIGAWA MARU 46
* Naval Vessel

--121--

Name Page Name Page Name Page
U          
UJINA MARU 94 UNKNOWN MARU 47 VENICE MARU 35
UKISHIMA* 8 UNKNOWN MARU 51    
UME* 22 UNKNOWN MARU 51 W  
UME MARU 46 UNKNOWN MARU 76    
UMIKAZE* 9 UNKNOWN SPECIAL SUBMARINE CHASER* 13 WAKA MARU 82
UNGATSU MARU 93 UNKNOWN TRANSPORT* 19 WAKABA* 16
UNKAI MARU NO 1 29 UNKNOWN TRANSPORT* 19 WAKAMATSU MARU 93
UNKAI MARU NO 2 78 UNKNOWN TRANSPORT* 19 WAKAMIYA* 8
UNKAI MARU NO 3 36 UNRYU* 20 WAKAMIYASAN MARU 92
UNKAI MARU NO 5 32 UNRYU MARU 78 WAKANOURA MARU 43
UNKAI MARU NO 5 75 UNTEN MARU 97 WAKATAKE* 10
UNKAI MARU NO 6 54 UNYO* 15 WAKATAKE MARU 73
UNKAI MARU NO 7 64 UNYO MARU 49 WAKATAMA MARU 91
UNKAI MARU NO 8 91 UNYO MARU NO 1 95 WAKATSU MARU 48
UNKAI MARU NO 10 63 UNYO MARU NO 2 29 WAKATSUKI* 18
UNKAI MARU NO 12 74 UNYO MARU NO 3 32 WALES MARU 60
UNKAI MARU NO 15 97 UNYO MARU NO 7 66 WASHIN MARU 90
UNKNOWN FRIGATE* 1 UNYO MARU NO 8 62 WAYO MARU 84
UNKNOWN FRIGATE* 5 UNYU MARU NO 2 56 WAZAN MARU 58
UNKNOWN MARU 30 URADO MARU 43 WOOSUNG MARU 41
UNKNOWN MARU 31 URAJIO MARU 37 WUHU MARU 46
UNKNOWN MARU 31 URAKAMI MARU 56    
UNKNOWN MARU 31 URAKAZE* 18 Y  
UNKNOWN MARU 31 URAL MARU 69    
UNKNOWN MARU 31 URANAMI* 17 YAE MARU 31
UNKNOWN MARU 31 URASHIO MARU 52 YAEI MARU 78
UNKNOWN MARU 32 URATO MARU 72 YAEI MARU NO 1 84
UNKNOWN MARU 32 USA MARU 67 YAEI MARU NO 2 87
UNKNOWN MARU 32 USA MARU 49 YAEI MARU NO 6 78
UNKNOWN MARU 33 USHIO MARU 38 YAEYAMA* 15
UNKNOWN MARU 33 USSURI MARU 62 YAGI MARU 64
UNKNOWN MARU 34 USUGUMO* 13 YAHAGI* 24
UNKNOWN MARU 34 USUKI MARU 83 YAHIKO MARU 49
UNKNOWN MARU 34 UWAJIMA MARU NO 15 64 YAKU* 22
UNKNOWN MARU 35 UWAJIMA MARU NO 18 92 YAKUMO MARU 56
UNKNOWN MARU 37 UWAJIMA MARU NO 25 89 YAMABATO MARU 40
UNKNOWN MARU 37 UWATSU MARU 90 YAMABIKO MARU 49
UNKNOWN MARU 37 UYO MARU 48 YAMABISHI MARU NO 2 56
UNKNOWN MARU 38 UZAN MARU 31 YAMABISHI MARU NO 7 99
UNKNOWN MARU 38 UZUKI* 19 YAMABISHI MARU NO 18 86
UNKNOWN MARU 38     YAMABISHI MARU NO 20 94
UNKNOWN MARU 38 V   YAMABUKI MARU 68
UNKNOWN MARU 40     YAMAFUJI MARU 34
UNKNOWN MARU 40 VAN VALLENHOVEN 47 YAMAFUKU MARU 47
* Naval Vessel

--122--

Name Page Name Page

Name

Page
Y       Z  
YAMAGATA MARU 58 YOMEI MARU 33 ZENYO MARU 32
YAMAGIKU MARU 62 YONEYAMA MARU 42 ZOGEN MARU 39
YAMAGIRI MARU 54 YONEYAMA MARU NO 1 82 ZUIHO* 16
YAMAGUMO* 16 YORO MARU NO 2 90 ZUIHO MARU 67
YAMAHAGI MARU 71 YOSEI MARU 88 ZUIKAI MARU 54
YAMAKAZE* 2 YOSHIDA MARU 50 ZUIKAKU* 16
YAMAKUNI MARU 50 YOSHIDA MARU NO 1 58 ZUIKO MARU 29
YAMAKUNI MARU 85 YOSHIDA MARU NO 3 65 ZUIKO MARU 92
YAMAMICHI MARU 93 YOSHIN MARU 90 ZUISHO MARU 65
YAMAMITSU MARU 86 YOSHINO MARU 52 ZUIYO MARU 70
YAMAMIYA MARU 62 YOSHINO MARU 64    
YAMAMIZA MARU 56 YOSHINOGAWA MARU 37    
YAMAMIZU MARU NO 2 70 YOSHU MARU 80    
YAMAMIZU MARU NO 3 58 YOWA MARU 44    
YAMANAMI MARU 82 YOZAN MARU 91    
YAMANAMI MARU NO 5 89 YOZAN MARU 68    
YAMANAMI MARU NO 7 98 YUBAE MARU 54    
YAMAOKA MARU 63 YUBARI* 11    
YAMASHIMO MARU 55 YUBARI MARU 30    
YAMASHIRO* 16 YUBU MARU 92    
YAMASHIRO MARU 44 YUDACHI* 4    
YAMASHITA MARU 83 YUGIRI* 8    
YAMATO* 24 YUGUMO* 7    
YAMATO MARU 44 YUGURE* 6    
YAMATO MARU 47 YUHO MARU 77    
YAMATOGAWA MARU 45 YUKI MARU 68    
YAMATSURU MARU 50 YUKI MARU 61    
YAMAURA MARU 36 YULIN MARU 83    
YAMAYURI MARU 51 YUMAHARI MARU NO 2 91    
YAMAZATO MARU 40 YUMAHARI MARU NO 3 90    
YAMAZAWA MARU 81 YUNAGI* 14    
YAMAZUKI MARU 36 YUNO MARU 87    
YANAGIGAWA MARU 66 YURA* 3    
YASOJIMA* 19 YURI MARU 47    
YASUKAWA MARU 35 YURISHIMA* 21    
YASUKUNI MARU 77 YUSEI MARU 80    
YASUKUNI MARU 50 YUSHIN MARU 98    
YASUKUNI MARU 52 YUTAKA MARU 76    
YASUSHIMA MARU 56 YUYO MARU 96    
YAWATA MARU 46 YUZAN MARU 98    
YAYOI* 3 YUZAN MARU 41    
YODOGAWA MARU 41 YUZAN MARU NO 2 76    
YOJO MARU 99 YUZUKI* 19    
YOKO MARU 90 Z      
YOKO MARU 44        
YOKOHAMA MARU 30 ZAOSAN MARU 92    
* Naval Vessel

--123--

Appendix

This appendix, prepared from the foregoing report, contains a listing of Japanese naval and merchant vessels sunk by individual United States submarines during World War II. The United States submarines are arranged in alphabetical sequence.

These assessments indicate that United States submarines sank 540,192 tons of Japanese naval vessels, and 4,779,902 tons of merchant shipping during the course of the war, the total accounting for 54.6% of all Japanese vessel losses.

Japanese Naval and Merchant Vessels Sunk During World War II
by
United States Submarines

USS Albacore
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Dec 18 1942 TENRYU Light Cruiser 3,300   5-11S, 145-57E Sunk
Feb 20 1943 OSHIO Destroyer 1,850   0-50S, 146-06E Sunk
Feb 20 1943 UNKNOWN Frigate 750 e 0-50S, 146-06E Sunk
Sep 4 1943 HEIJO MARU Ex-Gunboat 2,627   5-32N, 156-23E Sunk
Nov 25 1943 KENZAN MARU Cargo 4,705   0-51N, 145-56E Sunk
Jan 12 1944 CHOKO MARU Ex-Gunboat 2,629   3-30N, 147-27E Sunk
Jan 14 1944 SAZANAMI Destroyer 1,950   5-15N, 141-15E Sunk
Jun 19 1944 TAIHO Aircraft Carrier 31,000   12-22N, 137-04E Sunk
Sep 5 1944 SHINGETSU MARO Cargo 880   32-24N, 134-15E Sunk
Sep 11 1944 SUBMARINE CHASER NO 165 Submarine Chaser 170   32-20N, 131-50E Sunk
        10 Vessels 49,861      
USS Amberjack
Sep 19 1942 SHIROGANE MARU Pessenger-Cargo 3,130   6-33S, 156-05E Sunk
Oct 7 1942 SENKAI MARU Passenger-Cargo 2,095   1-55N, 153-42E Sunk
        2 Vessels 5,225      
USS Angler
Jan 29 1944 SHUKO MARU Ex-Net Tender 889   23-07N, 142-27E Sunk
May 20 1944 OTORI MARU Cargo 2,105   5-40S, 105-27E Sunk
Oct 14 1944 NANREI MARU Transport 2,407   11-53N, 121-39E Sunk
        3 Vessels 5,401      
USS Apogon
Dec 4 1943 DAIDO MARU Ex-Gunboat 2,962   8-15N, 159-06E Sunk
Sep 27 1944 HACHIROGATA MARU Cargo 1,999   46-32N, 146-48E Sunk

--1--

USS Apogon
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jun 18 1945 HAKUAI MARU Transport 2,614   50-30N, 155-01E Sunk
        3 Vessels 7,575      
USS Archerfish
Jun 28 1944 COAST DEF VESSEL NO 24 Frigate 800 e 24-44N, 140-20E Sunk
Nov 29 1944 SHINANO Aircraft Carrier 59,000   32-00N, 137-00E Sunk
        2 Vessels 59,800      
USS Aspro
Feb 15 1944 I 43 Submarine 2,212   12-42N, 149-17E Sunk
May 15 1944 JOKUJA MARU Cargo 6,440   10-10N, 131-25E Sunk
Jul 28 1944 PEKING MARU Transport 2,288   17-33N, 120-21E Sunk
Oct 2 1944 AZUCHISAN MARU Cargo 6,888   18-25N, 120-32E Sunk
Oct 7 1944 MACASSAR MARU Passenger-Cargo 4,026   17-54N, 119-57E Sunk
        5 Vessels 21,854      
USS Atule
Nov 1 1944 ASAMA MARU Transport 16,975   20-09N, 117-38E Sunk
Nov 20 1944 MINSWEEPER NO 38 Minesweeper 630 e 21-21N, 119-45E Sunk
Nov 25 1944 PATROL BOAT NO 38 Old Destroyer 820 e 20-12N, 121-51E Sunk
Nov 25 1944 SANTOS MARU Cargo 7,266   20-12N, 121-51E Sunk
Jan 24 1945 TAIMAN MARU NO 1 Cargo 6,888   36-47N, 123-59E Sunk
Aug 13 1945 COAST DEFENSE VESSEL NO 6 Frigate 800 e 42-11N, 142-14E Sunk
        6 Vessels 33,379      
USS Balao
Feb 23 1944 NIKKI MARU Passenger-Cargo 5,857   7S, 135-42E Sunk
Feb 28 1944 SHOHO MARU Cargo 2,723   6N, 132-53E Sunk

--2--

USS Balao
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Feb 28 1944 AKIURA MARU Passenger-Cargo 6,803   00-06N, 132-53E Sunk
Jan 8 1945 DAIGO MARU Cargo 5,244   34-28N, 122-39E Sunk
Mar 19 1945 HAKOZAKI MARU Transport 10,413   33-09N, 122-08E Sunk
Mar 26 1945 SHINTO MARU NO 1 Cargo 880 e 35-14N, 123-44E Sunk
        6 Vessels 31,920      
USS Bang
Apr 29 1944 TAKEGAWA MARU Cargo 1,930   19-26N, 118-45E Sunk
Apr 30 1944 NITTATSU MARU Cargo 2,859   19-11N, 119-10E Sunk
May 4 1944 KINREI MARU Cargo 5,947   20-58N, 117-59E Sunk
Sep 9 1944 TOKIWASAN MARU Cargo 1,804   28-53N, 137-42E Sunk
Sep 9 1944 SHORYU MARU Cargo 1,916   28-53N, 137-42E Sunk
Sep 19 1944 TOSEI MARU NO 2 Tanker 507   24-56N, 122-14E Sunk
Nov 23 1944 SAKAE MARU Cargo 2,878   24-12N, 122-53E Sunk
Nov 23 1944 AMAKUSA MARU Passenger-Cargo 2,340   24-24N, 122-45E  
        8 Vessels 20,181      
USS Barb
Mar 28 1944 FUKUSEI MARU Cargo 2,219   24-25N, 131-11E Sunk
May 31 1944 KOTO MARU Cargo 1,053   47-52N, 151-02E Sunk
May 31 1944 MADRAS MARU Passenger-Cargo 3,802   48-21N, 151-19E Sunk
Jun 11 1944 TOTEN MARU Cargo 3,823   46-58N, 143-50E Sunk
Jun 11 1944 CHIHAYA MARU Cargo 1,161   46-58N, 143-50E Sunk
Jun 13 1944 TAKASHIMA MARU Passenger-Cargo 5,633   50-47N, 151-20E Sunk
Aug 31 1944 OKUNI MARU Cargo 5,633   21-14N, 121-22E Sunk
Sep 16 1944 AZUSA Tanker 11,177   19-18N, 116-26E Sunk
Sep 16 1944 UNYO Escort Aircraft Carrier 20,000   19-18N, 116-26E Sunk
Nov 10 1944 GOKOKU MARU Ex-Light Cruiser 10,438   33-23N, 129-03E Sunk
Nov 12 1944 NARUO MARU Cargo 4,823   31-29N, 125-19E Sunk
Jan 8 1945 SHINYO MARU Cargo 5,892   24-31N, 120-28E Sunk
Jan 8 1945 ANYO MARU Passenger-Cargo 9,256   24-54N, 120-26E Sunk
Jan 8 1945 SANYO MARU Tanker 2,854   24-54N, 120-26E Sunk
Jan 23 1945 TAIKYO MARU Cargo 5,244   27-04N, 120-27E Sunk
Jul 5 1945 SAPPORO MARU NO 11 Cargo 2,820   46-04N, 142-14E Sunk

--3--

USS Barb
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jul 18 1945 COAST DEF VESSEL NO 112 Frigate 800 e 46-03N, 142-16E Sunk
        17 Vessels 96,628      
USS Barbel
Aug 5 1944 MIYAKO MARU Passenger-Cargo 970   27-36N, 128-54E Sunk
Aug 9 1944 YAGI MARU Cargo 1.937   27-52N, 128-49E Sunk
Aug 9 1944 BOKO MARU Cargo 2,333   27-52N, 128-49E Sunk
Sep 25 1944 BUSHU MARU Cargo 1,222   29-50N, 130-06E Sunk
Nov 14 1944 SUGIYAMA MARU Cargo 4,379   15-14N, 112-13E Sunk
Nov 14 1944 MISAKI MARU Cargo 4,422   15-14N, 112-13E Sunk
        6 Vessels 15,263      
USS Barbero
Nov 2 1944 KURAMASAN MARU Cargo 1,995   4-30S, 118-20E Sunk
Nov 8 1944 SHIMOTSU MARU Tanker 2,854   14-01N, 117-17E Sunk
Dec 25 1944 JUNPO MARU Cargo 4,277   1-10N, 108-20E Sunk
        3 Vessels 9,126      
USS Bashaw
Jun 25 1944 YAMAMIYA MARU Cargo 6,440   3-36N, 127-14E Sunk
Sep 8 1944 YANAGIGAWA MARU Cargo 2,813   8-14N, 121-47E Sunk
Mar 5 1945 RYOEI MARU Tanker 10,016   16-46N, 108-41E Sunk
        3 Vessels 19,269      
USS Batfish
Jan 20 1944 HIDAKA MARU Cargo 5,486   31-28N, 134-52E Sunk
Jun 22 1944 NAGARAGAWA MARU Passenger-Cargo 990   34-35N, 137-56E Sunk
Aug 23 1944 MINESWEEPER NO 22 Minesweeper 492   8-09N, 134-38E Sunk

--4--

USS Batfish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Feb 9 1945 I 41 Submarine 2,212   18-50N, 121-40E Sunk
Feb 11 1945 RO 112 Submarine 525   18-53N, 121-50E Sunk
Feb 12 1945 RO 113 Submarine 525   19-10N, 121-23E Sunk
        6 Vessels 10,230      
USS Baya
Mar 4 1945 PALEMBANG MARU Tanker 5,236   12-52N, 109-30E Sunk
Mar 21 1945 KAINAN MARU Ex-Submarine Chaser 524   11-55N, 109-18E Sunk
May 13 1945 YOSEI MARU Tanker 2,500 e 6-31S, 111-19E Sunk
Jul 16 1945 KARI Motor Torpedo Boat 595   5-48S, 115-53E Sunk
        4 Vessels 8,855      
USS Becuna
Feb 22 1945 NICHIYOKU MARU Tanker 1,945   11-28N, 109-06E Sunk
                 
USS Bergall
Oct 13 1944 SHINSHU MARU Cargo 4,182   11-52N, 109-20E Sunk
Oct 27 1944 NIPPO MARU Tanker 10,528   7-09N, 116-40E Sunk
Jan 27 1945 COASTAL MINESWEEPER NO 102 Coastal Minesweeper 174   8-37S, 115-39E Sunk
Feb 7 1945 COAST DEF VESSEL NO 53 Frigate 800   12-04N, 109-22E Sunk
        4 Vessels 15,684      
USS Besugo
Nov 22 1944 TRANSPORT NO 151 Landing Craft (LST) 1,000 e 11-22N, 119-07E Sunk
Jan 6 1945 NICHIEI MARU Tanker 10,020   6-57N, 102-57E Sunk
Feb 2 1945 COAST DEF VESSEL NO 144 Frigate 800 e 4-32N, 104-30E Sunk
Apr 6 1945 MINESWEEPER NO 12 Minesweeper 630   8-13S, 119-14E Sunk
        4 Vessels 12,450      
USS Billfish
May 26 1945 KOTOBUKI MARU NO 7 Cargo 991   33-18N, 129-20E Sunk
Jun 4 1945 TAIU MARU Cargo 2,220   38-32N, 124-45E Sunk

--5--

USS Billfish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Aug 5 1945 KORI MARU Cargo 1,091   38-51N, 121-39E Sunk
        3 Vessels 4,302      
USS Blackfish
Jan 16 1944 KAIKA MARU Cargo 2,087   4-03N, 148-41E Sunk
                 
USS Blackfin
Nov 1 1944 UNKAI MARU NO 12 Cargo 2,745   12-54N, 120-10E Sunk
Jan 24 1945 SHIGURE Destroyer 1,580   6-00N, 103-48E Sunk
        2 Vessels 4,325      
USS Blenny
Dec 14 1944 COAST DEF VESSEL NO 28 Frigate 800 e 15-46N, 119-45E Sunk
Dec 23 1944 KENZUI MARU Cargo 4,156   16-50N, 120-18E Sunk
Feb 26 1945 AMATO MARU Tanker 10,238   11-57N, 109-18E Sunk
Mar 20 1945 YAMAKUNI MARU Cargo 500   11-17N, 108-55E Sunk
Mar 20 1945 NANSHIN MARU NO 21 Tanker 834   11-17N, 108-55E Sunk
Mar 20 1945 HOSEN MARU Cargo 1,039   11-17N, 108-55E Sunk
May 30 1945 HOKOKU MARU Cargo 520   4-09S, 114-16E Sunk
        7 Vessels 18,057      
USS Blueback
Jun 27 1945 SUBMARINE CHASER NO 2 Submarine Chaser 300   7-25S, 116-00E Sunk
                 
USS Bluefish
Sep 26 1943 KASASAGI Motor Torpedo Boat 595   5-50S, 121-57E Sunk
Sep 28 1943 AKASHI MARU Cargo 3,227   6-11S, 126-00E Sunk

--6--

USS Bluefish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Nov 8 1943 KYOKUEI MARU Tanker 10,570   16-44N, 116-22E Sunk
Nov 18 1943 SANAYE Old Destroyer 820   4-52N, 122-07E Sunk
Dec 30 1943 ICHIYU MARU Tanker 5,061   2-45S, 109-10E Sunk
Jan 4 1944 HAKKO MARU Tanker 6,046   7-10N, 108-25E Sunk
Mar 4 1944 OMINESAN MARU Tanker 10,536   5-32N, 109-09E Sunk
Jun 16 1944 NANSHIN MARU Passenger-Cargo 1,422   2-28N, 118-09E Sunk
Jun 21 1944 KANAN MARU Cargo 3,312   4-04S, 116-45E Sunk
Aug 19 1944 HAYASUI Tanker 6,500 e 17-34N, 119-24E Sunk
Jul 9 1945 SUBMARINE CHASER NO 50 Submarine Chaser 100 e 2-13N, 105-03E Sunk
Jul 14 1945 I 351 Submarine 2,650   4-30N, 110-00E Sunk
        12 Vessels 50,839      
USS Bluegill
Apr 27 1944 YUBARI Light Cruiser 3,500   5-20N, 132-16E Sunk
May 1 1944 ASOSAN MARU Cargo 8,812   7-07N, 129-56E Sunk
May 20 1944 MIYAURA MARU Cargo 1,856   2-14N, 128-00E Sunk
Aug 7 1944 SANJU MARU Cargo 4,642   6-04N, 124-22E Sunk
Aug 13 1944 SUBMARINE CHASER NO 12 Submarine Chaser 300   6-17N, 126-09E Sunk
Aug 13 1944 KOJUN MARU Cargo 1,931   6-17N, 126-09E Sunk
Oct 18 1944 ARABIA MARU Transport 9,480   14-06N, 119-40E Sunk
Oct 18 1944 CHINZEI MARU Cargo 1,999   14-06N, 119-40E Sunk
Oct 18 1944 HAKUSHIKA MARU Passenger-Cargo 8,150   14-06N, 119-40E Sunk
Mar 28 1945 HONAN MARU Tanker 5,542   12-39N, 109-27E Sunk
        10 Vessels 46,212      
USS Boarfish
Jan 31 1945 ENKI MARU Cargo 6,968   14-55N, 109-01E Sunk
                 
USS Bonefish
Sep 27 1943 KASHIMA MARU Transport 9,908   10-14N, 109-45E Sunk
Oct 10 1943 TEIBI MARU Transport 10,086   14-44N, 110-19E Sunk

--7--

USS Bonefish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Oct 10 1943 ISUZUGAWA Cargo 4,212   14-44N, 110-19E Sunk
Nov 29 1943 SUEZ MARU Cargo 4,646   6-22S, 116-35E Sunk
Dec 1 1943 NICHIRYO MARU Passenger-Cargo 2,721   1-31N, 120-51E Sunk
Apr 26 1944 TOKIWA MARU Passenger-Cargo 806   6-12N, 125-47E Sunk
May 14 1944 INAZUMA Destroyer 1,950   5-08N, 119-38E Sunk
Jul 30 1944 KOKUYO MARU Tanker 10,026   6-03N, 119-54E Sunk
Sep 28 1944 ANJO MARU Tanker 2,068   13-16N, 120-08E Sunk
Oct 14 1944 FUSHIMI MARU Cargo 2,542   16-12N, 119-45E Sunk
Jun 13 1945 OSHIKAYAMA MARU Cargo 6,892   38-30N, 136-58E Sunk
Jun 19 1945 KONZAN MARU Passenger-Cargo 5,488   37-13N, 137-18E Sunk
        12 Vessels 61,345      
USS Bowfin
Sep 25 1943 KIRISHIMA MARU Passenger-Cargo 8,120   9-44N, 111-56E Sunk
Nov 26 1943 OGURASAN MARU Tanker 5,069   12-48N, 109-34E Sunk
Nov 26 1943 TAINAN MARU Cargo 5,407   13-02N, 109-28E Sunk
Nov 27 1943 VAN VOLLENHOVEN Cargo 691   13-01N, 109-30E Sunk
Nov 28 1943 SYDNEY MARU Passenger-Cargo 5,425   12-46N, 109-42E Sunk
Nov 28 1943 TONAN MARU Tanker 9,866   12-46N, 109-42E Sunk
Jan 17 1944 SHOYU MARU Cargo 4,408   18N, 118-37E Sunk
Mar 10 1944 TSUKIKAWA MARU Cargo 4,470   1-30S, 128-17E Sunk
Mar 24 1944 SHINKYO MARU Cargo 5,139   5-27N, 125-38E Sunk
Mar 24 1944 BENGAL MARU Cargo 5,399   5-27N, 125-38E Sunk
Aug 22 1944 TSUSHIMA MARU Passenger-Cargo 6,754   29-32N, 129-31E Sunk
Feb 17 1945 COAST DEF VESSEL NO 56 Frigate 750 e 33-53N, 139-43E Sunk
May 1 1945 CHOWA MARU Passenger-Cargo 2,719   41-06N, 144-28E Sunk
May 8 1945 DAITO MARU NO 3 Cargo 880   39-37N, 142-07E Sunk
Jun 11 1945 SHINYO MARU NO 3 Passenger-Cargo 1,898   39-23N, 128-59E Sunk
Jun 13 1945 AKIURA MARU Cargo 887   39-13N, 128-07E Sunk
        16 Vessels 67,882      
USS Bream
Jun 16 1944 YUKI MARU Cargo 5,704   2-19N, 128-40E Sunk
Apr 29 1945 TEISHU MARU Ex-Submarine Tender 1,230   4-11S, 111-17E Sunk
        2 Vessels 6,934      

--8--

USS Burrfish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
May 7 1944 ROSSBACK Tanker 5,894   33-14N, 134-40E Sunk
                 
USS Bumper
Jul 20 1945 KYOEI MARU NO 3 Tanker 1,189   8-08N, 103-40E Sunk
                 
USS Cabezon
Jun 19 1945 ZAOSAN MARU Cargo 2,631   50-39N, 154-38E Sunk
                 
USS Cabrilla
Jan 4 1944 TAMON MARU NO 8 Cargo 2,705   11-05N, 109-10E Sunk
May 26 1944 SANYO MARU Ex-Seaplane Tender 8,360   2-48N, 124-19E Sunk
Jul 17 1944 MAYA MARU Passenger-Cargo 3,145   7-40N, 122-03E Sunk
Oct 1 1944 ZUIYO MARU Tanker 7,385   16-15N, 119-43E Sunk
Oct 1 1944 KYOKUHO MARU Tanker 10,059   16-15N, 119-43E Sunk
Oct 6 1944 YAMAMIZU MARU NO 2 Cargo 5,154   17-31N, 120-21E Sunk
Oct 7 1944 SHINYO MARU NO 8 Cargo 1,959   17-50N, 119-37E Sunk
        7 Vessels 38,767      
USS Capelin
Nov 11 1943 KUNITAMA MARU Cargo 3,127   3-08S, 127-38E Sunk
                 
USS Cavalla
Jun 19 1944 SHOKAKU Aircraft Carrier 30,000   11-50N, 137-57E Sunk
Nov 25 1944 SHIMOTSUKI Destroyer 2,300   2-21N, 107-20E Sunk
Jan 5 1945 SHUNSEN MARU Cargo 971   5-00S, 112-16E Sunk
Jan 5 1945 KANKO MARU Ex-Net Tender 909   5-00S, 112-16E Sunk
        4 Vessels 34,180      

--9--

USS Cero
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
May 23 1944 TAIJUN MARU Cargo 2,825   2-38N, 128-08E Sunk
Aug 5 1944 TSURUMI Tanker 6,500 e 5-50N, 125-42E Sunk
Apr 29 1945 TAISHU MARU Cargo 6,925   39-15N, 141-58E Sunk
May 4 1945 SHINPEN MARU Cargo 884   39-28N, 142-04E Sunk
May 13 1945 SHINNAN MARU Cargo 1,025   39-07N, 141-57E Sunk
        5 Vessels 18,159      
USS Chub
May 21 1945 MINESWEEPER NO 34 Minesweeper 492   6-15S, 116-01E Sunk
                 
USS Cobia
Jul 13 1944 TAISHI MARU Cargo 2,800   27-23N, 140-33E Sunk
Jul 18 1944 UNKAI MARU NO 10 Ex-Gunboat 855   29-12N, 139-10E Sunk
Jul 18 1944 NISSHU MARU Cargo 7,785   28-43N, 139-24E Sunk
Jan 14 1945 YURISHIMA Coastal Minelayer 720   5-51N, 103-16E Sunk
Jun 8 1945 NINSHIN MARU NO 22 Tanker 834 e 8-56N, 105-37E Sunk
Jun 8 1945 HAKUSA Landing Craft 3,841   8-56N, 105-37E Sunk
        6 Vessels 16,835      
USS Cod
Feb 23 1944 OGURA MARU NO 3 Tanker 7,350   3-53N, 129-17E Sunk
Feb 27 1944 TAISOKU MARU Cargo 2,473   1-48N, 127-32E Sunk
May 10 1944 KARUKAYA Old Destroyer 820   15-38N, 119-25E Sunk
May 10 1944 SHOHEI MARU Cargo 7,256   15-38N, 119-25E Sunk
Aug 3 1944 SEIKO MARU Ex-Net Tender 708   1-45S, 126-14E Sunk
Aug 14 1944 TRANSPORT NO 129 Landing Craft 1,000 e 4-17S, 126-46E Sunk
Oct 5 1944 TATSUSHIRO MARU Cargo 6,886   13-01N, 120-15E Sunk
Apr 25 1945 MINESWEEPER NO 41 Ninesweeper 492   25-53N, 121-08E Sunk
        8 Vessels 26,985      

--10--

USS Crevalle
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Nov 15 1943 KYOKKO MARU Passenger-Cargo 6,783   14-53N, 119-54E Sunk
Jan 26 1944 BUSHO MARU Ex-Gunboat 2,552   8-27N, 109-12E Sunk
Apr 25 1944 KASHIWA MARU Ex-Net Tender 976   7-09N, 116-48E Sunk
May 6 1944 NISSHIN MARU Tanker 16,801   7-17N, 116-51E Sunk
Jul 26 1944 AKI MARU Passenger-Cargo 11,409   18-28N, 117-59E Sunk
Jul 28 1944 HAKURASAN MARU Passenger-Cargo 6,650   16-18N, 119-44E Sunk
Jun 9 1945 HOKUTO MARU Cargo 2,215   40-54N, 139-48E Sunk
Jun 10 1945 DAIKI MARU Cargo 2,217   40-44N, 139-48E Sunk
Jun 11 1945 HAKUSAN MARU Cargo 2,211   40-43N, 139-51E Sunk
        9 Vessels 51,814      
USS Croaker
Aug 7 1944 NAGARA Light Cruiser 5,700   32-09N, 129-53E Sunk
Aug 14 1944 DAIGEN MARU NO 7 Ex-Gunboat 1,289   37-25N, 125-12E Sunk
Aug 17 1944 SANSHO MARU Cargo 6,862   35-38N, 126-10E Sunk
Oct 9 1944 SHINKI MARU Cargo 2,211   32-08N, 129-51E Sunk
Oct 23 1944 BYAKURAN MARU Cargo 887   35-39N, 126-05E Sunk
Oct 24 1944 MIKAGE MARU Cargo 2,761   33-00N, 125-49E Sunk
        6 Vessels 19,710      
USS Dace
Jul 27 1944 KYOEI MARU NO 2 Tanker 1,157   5-25N, 121-43E Sunk
Oct 14 1944 NITTETSU MARU Cargo 5,993   6-05N, 115-55E Sunk
Oct 14 1944 EIKYO MARU Cargo 6,948   6-05N, 115-55E Sunk
Oct 23 1944 MAYA Heavy Cruiser 12,200   9-29N, 117-20E Sunk
Dec 28 1944 NOZAKI Ex-Supply Ship 1,000 e 12-39N, 109-30E Sunk
Jun 10 1945 HAKUYO MARU Cargo 1,391   47-25N, 149-04E Sunk
        6 Vessels 28,689      

--11--

USS Darter
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Mar 30 1944 FUJIKAWA MARU Cargo 2,829   1-56N, 133-00E Sunk
Jun 29 1944 TSUGARU Minelayer 4,400 e 2-19N, 127-57E Sunk
Oct 23 1944 ATAGO Heavy Cruiser 12,200   9-24N, 117-11E Sunk
        3 Vessels 19,429      
USS Drum
May 2 1942 MIZUHO Seaplane Tender 9,000   34-26N, 138-14E Sunk
May 9 1942 UNKNOWN Cargo 4,000 e 33-48N, 136-08E Probably Sunk
May 13 1942 SHONAN MARU Cargo 5,264   34-39N, 139-10E Sunk
May 25 1942 KITAKA MARU Cargo 2,380   34-58N, 140-04E Sunk
Oct 8 1942 HAGUE MARU Passenger-Cargo 5,,641   34-06N, 136-22E Sunk
Oct 9 1942 HACHIMANZAN MARU Cargo 2,461   33-27N, 136-01E Sunk
Oct 20 1942 RYUNAN MARU Cargo 5,106   34-08N, 136-46E Sunk
Apr 9 1943 OYAMA MARU Cargo 3,809   00-32N, 150-05E Sunk
Apr 18 1943 NISSHUN MARU Cargo 6,380   1-55N, 148-24E Sunk
Jun 17 1943 MYOKO MARU Passenger-Cargo 5,087   2-03S, 153-44E Sunk
Sep 8 1943 HAKUTETSU MARU NO 13 Cargo 1,334   2-44S, 141-36E Sunk
Nov 17 1943 HIE MARU Ex-Supply Ship 11,621   1-48N, 148-24E Sunk
Oct 24 1944 SHIKISAN MARU Passenger-Cargo 4,725   20-27N, 118-31E Sunk
Oct 26 1944 TAISHO MARU Cargo 6,886   19-21N, 120-50E Sunk
Oct 26 1944 TAIHAKU MARU Cargo 6,886   19-21N, 120-50E Sunk
        15 Vessels 80,580      
USS Finback
Oct 14 1942 TEISON MARU Transport 7,007   25-22N, 121-15E Sunk
Oct 20 1942 YAMAFUJI MARU Cargo 5,359   24-26N, 120-26E Sunk
Oct 20 1942 AFRICA MARU Cargo 9,475   24-26N, 120-26E Sunk
May 27 1943 KOCHI MARU Cargo 2,910   8-41N, 134-02E Sunk
Jun 8 1943 KAHOKU MARU Ex-Gunboat 3,350   9-07N, 134-31E Sunk
Jun 11 1943 GENOA MARU Cargo 6,785   7-36N, 134-17E Sunk
Jun 30 1943 RYUZAN MARU Cargo 4,720   6-31S, 111-26E Sunk
Aug 3 1943 KAISHO MARU Passenger-Cargo 6,070   5-18S, 111-52E Sunk

--12--

USS Finback
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Aug 19 1943 SUBMARINE CHASER NO 109 Submarine Chaser 200   3-01S, 125-50E Sunk
Jan 2 1944 ISSHIN MARU Tanker 10,000 e 29-30N, 128-50E Sunk
Sep 11 1944 HAKUUN MARU NO 2 Cargo 860   27-37N, 140-21E Sunk
Sep 11 1944 HASSHO MARU Cargo 536   27-37N, 140-21E Sunk
Dec 16 1944 JUSAN MARU Cargo 2,111   27-35N, 141-35E Sunk
        13 Vessels 59,383      
USS Flasher
Jan 18 1944 YOSHIDA MARU Ex-Gunboat 2,900   23-50N, 151-28E Sunk
Feb 5 1944 TAISHIN MARU Cargo 1,723   13-09N, 120-24E Sunk
Feb 14 1944 MINRYO MARU Cargo 2,193   13-44N, 120-40E Sunk
Feb 14 1944 HOKUAN MARU Cargo 3,712   13-40N, 120-27E Sunk
Apr 29 1944 TAHURE River Gunboat 644   13-02N, 109-28E Sunk
Apr 29 1944 SONG GIANG MARU Cargo 1,065   13-02N, 109-28E Sunk
May 3 1944 TEISEN MARU Cargo 5,050   12-54N, 114-07E Sunk
Jun 29 1944 NIPPO MARU Cargo 6,079   00-43N, 105-31E Sunk
Jul 7 1944 KOTO MARU Cargo 3,557   13-02N, 109-26E Sunk
Jul 19 1944 OI Light Cruiser 5,700   12-45N, 114-20E Sunk
Jul 26 1944 OTORIYAMA MARU Tanker 5,280   18-10N, 117-56E Sunk
Sep 18 1944 SAIGON MARU Ex-Light Cruiser 5,350   14-11N, 120-02E Sunk
Sep 27 1944 URAL MARU Transport 6,374   15-40N, 117-18E Sunk
Oct 4 1944 TAIBIN MARU Cargo 6,886   15-26N, 119-49E Sunk
Dec 4 1944 KISHINAMI Destroyer 2,100   13-12N, 116-37E Sunk
Dec 4 1944 IWANAMI Destroyer 2,100   13-12N, 116-37E Sunk
Dec 4 1944 HAKKO MARU Tanker 10,022   13-12N, 116-37E Sunk
Dec 22 1944 OMUROSAN MARU Tanker 9,204   15-04N, 109-06E Sunk
Dec 22 1944 OTOWASAN MARU Tanker 9,204   15-04N, 109-06E Sunk
Dec 22 1944 ARITA MARU Tanker 10,238   15-04N, 109-06E Sunk
Feb 25 1945 KOHO MARU Cargo 850   20-04N, 111-22E Sunk
        21 Vessels 100,231      

--13--

USS Flier
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jun 4 1944 HAKUSAN MARU Transport 10,380   22-55N, 136-44E Sunk
                 
USS Flounder
Jun 17 1944 NIPPONKAI MARU Ex-Motor Torpedo Tender 2,681   6-58N, 127-52E Sunk
                 
USS Flying Fish
Feb 16 1943 HYUGA MARU Cargo 994   18-30N, 145-47E Sunk
Apr 12 1943 SAPPORO MARU NO 12 Cargo 2,865   41-24N, 141-30E Sunk
Apr 17 1943 AMAHO MARU Cargo 2,769   42-04N, 143-22E Sunk
Apr 24 1943 KASUGA MARU Cargo 1,377   41-43N, 141-21E Sunk
Jul 2 1943 CANTON MARU Cargo 2,820   25-07N, 119-18E Sunk
Oct 27 1943 NANMAN MARU Cargo 6,550   12-34N, 134-48E Sunk
Dec 16 1943 GINYO MARU Cargo 8,613   22-27N, 120-08E Sunk
Dec 27 1943 KYUEI MARU Tanker 10,171   21-42N, 118-05E Sunk
Mar 12 1944 TAIJIN MARU Cargo 1,937   25-53N, 131-19E Sunk
Mar 16 1944 ANZAN MARU Passenger-Cargo 5,493   27-41N, 128-41E Sunk
Apr 1 1944 NINAMI MARU Cargo 2,398   25-56N, 131-18E Sunk
May 25 1944 TAITO MARU Passenger-Cargo 4,466   11-30N, 134-55E Sunk
May 25 1944 OSAKA MARU Passenger-Cargo 3,740   11-30N, 134-55E Sunk
Jun 10 1945 TAGA MARU Cargo 2,220   41-40N, 129-52E Sunk
Jun 11 1945 MEISEI MARU Passenger-Cargo 1,893   41-47N, 131-44E Sunk
        15 Vessels 58,306      
USS Gabilan
Jul 17 1944 MINESWEEPER NO 25 Minesweeper 492   33-51N, 138-35E Sunk
Oct 31 1944 KAIYO NO 6 Miscellaneous Auxiliary 100 e 32-50N, 134-21E Sunk
Apr 14 1945 KAKO MARU Cargo 762   5-19S, 117-06E Sunk
        3 Vessels 1,354      

--14--

USS Gar
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Mar 13 1942 CHICHIBU MARU Cargo 1,520   33-53N, 139-29E Sunk
Dec 8 1942 HEINAN MARU Cargo 661   00-52N, 118-54E Sunk
May 9 1943 ASO MARU Cargo 703   9-09N, 122-50E Sunk
May 15 1943 MEIKAI MARU Passenger-Cargo 3,197   13-07N, 121-49E Sunk
May 15 1943 INDUS MARU Passenger-Cargo 4,361   13-07N, 121-49E Sunk
Aug 20 1943 SEIZAN MARU Cargo 955   00-58N, 119-01E Sunk
Jan 20 1944 KOYU MARU Cargo 5,325   6-40N, 134-17E Sunk
Jan 23 1944 TAIAN MARU Cargo 3,670   5-45N, 134-45E Sunk
        8 Vessels 20,392      
USS Gato
Jan 21 1943 KENKON MARU Transport 4,575   6-12S, 155-51E Sunk
Jan 29 1943 NICHIUN MARU Cargo 2,723   6-21S, 156-04E Sunk
Feb 15 1943 SURUGA MARU Cargo 991   6-27S, 156-02E Sunk
Nov 30 1943 COLUMBIA MARU Passenger-Cargo 5,618   1-56N, 147-23E Sunk
Dec 20 1943 TSUNESHIMA MARU Cargo 2,926   1-30N, 148-36E Sunk
Feb 26 1944 DAIGEN MARU NO 3 Passenger-Cargo 5,256   00-55S, 139-02E Sunk
Mar 12 1944 OKINOYAMA MARU NO 3 Cargo 871   00-25S, 132-55E Sunk
Feb 14 1945 COAST DEF VESSEL NO 9 Frigate 800 e 34-48N, 125-58E Sunk
Feb 21 1945 TAIRIKU MARU Cargo 2,325   35-24N, 125-23E Sunk
        9 Vessels 26,085      
USS Grampus
Mar 1 1942 KAIJO MARU NO 2 Tanker 8,636   4-52N, 151-20E Sunk
 
USS Grayback
Mar 17 1942 ISHIKARI MARU Cargo 3,291   27-05N, 142-05E Sunk
Jan 2 1943 I 18 Submarine 2,180   8-49S, 157-09E Sunk
May 11 1943 YODOGAWA MARU Cargo 6,441   00-47S, 149-02E Sunk

--15--

USS Grayback
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
May 17 1943 ENGLAND MARU Cargo 5,830   1-00S, 148-40E Sunk
Oct 14 1943 KOZUI MARU Passenger-Cargo 7,072   27-35N, 127-27E Sunk
Oct 22 1943 AWATA MARU Ex-Light Cruiser 7,397   26-48N, 124-56E Sunk
Dec 18 1943 GYOKUREI MARU Cargo 5,588   26-22N, 128-20E Sunk
Dec 19 1943 NUMAKAZE Destroyer 1,300   26-29N, 128-26E Sunk
Dec 21 1943 KONAN MARU Cargo 2,627   30-24N, 129-53E Sunk
Dec 21 1943 KASHIWA MARU Ex-Net Tender 515   30-24N, 129-53E Sunk
Feb 19 1944 TAIKEI MARU Cargo 4,739   21-48N, 119-50E Sunk
Feb 19 1944 TOSHIN MARU Cargo 1,917   21-46N, 120-06E Sunk
Feb 24 1944 NAMPO MARU Tanker 10,033   24-20N, 122-25E Sunk
Feb 27 1944 CEYLON MARU Cargo 4,905   31-50N, 127-45E Sunk
        14 Vessels 63,835      
USS Grayling
Apr 13 1942 RYUJIN MARU Cargo 6,243   31-51N, 132-50E Sunk
Nov 10 1942 UNKNOWN MARU Cargo 4,000 e 7-12N, 150-47E Sunk
Jan 26 1943 USHIO MARU Cargo 749   13-26N, 121-16E Sunk
Apr 9 1943 SHANGHAI MARU Cargo 4,103   13-11N, 121-45E Sunk
Aug 27 1943 MEIZAN MARU Passenger-Cargo 5,480   13-13N, 121-23E Sunk
        5 Vessels 20,575      
USS Greenling
May 4 1942 KINJOSAN MARU Cargo 3,262   8-44N, 150-56E Sunk
Aug 5 1942 BRASIL MARU Transport 12,752   9-50N, 150-38E Sunk
Aug 6 1942 PALAO MARU Passenger-Cargo 4,495   9-04N, 150-54E Sunk
Oct 3 1942 KINKAI MARU Cargo 5,852   38-46N, 142-02E Sunk
Oct 4 1942 SETSUYO MARU Cargo 4,147   39-48N, 142-08E Sunk
Oct 14 1942 TAKUSEI MARU Cargo 3,515   39-33N, 142-15E Sunk
Oct 18 1942 HAKONESAN MARU Cargo 6,673   38-46N, 142-03E Sunk
Dec 22 1942 PATROL BOAT NO 35 Old Destroyer 750 e 5-05S, 156-04E Sunk
Dec 30 1942 UNKNOWN MARU Cargo 4,000 e 00-41N, 148-52E Sunk
Dec 30 1942 HITERU MARU Cargo 5,857   00-41N, 148-52E Sunk

--16--

USS Greenling
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jan 16 1943 KINPOSAN MARU Cargo 3,261   2-47S, 149-10E Sunk
Dec 31 1943 SHOHO MARU Cargo 1,936   5-18N, 160-16E Sunk
Nov 7 1944 KIRI MARU NO 8 Cargo 939   34-32N, 138-33E Sunk
Nov 7 1944 KOTAI MARU Tanker 975   34-32N, 138-33E Sunk
Nov 10 1944 PATROL BOAT NO 46 Old Destroyer 820   34-30N, 138-34E Sunk
        15 Vessels 59,234      
USS Grenadier
May 8 1942 TAIYO MARU Transport 14,457   34-40N, 127-54E Sunk
 
USS Grouper
Sep 21 1942 TONE MARU Cargo 4,070   31-18N, 123-27E Sunk
Oct 1 1942 LISBON MARU Transport 7,053   29-57N, 122-56E Sunk
Dec 17 1942 BANDOENG MARU Passenger-Cargo 4,003   4-54S, 154-17E Sunk
Jun 24 1944 KUMANOYAMA MARU Cargo 2,857   34-36N, 139-32E Sunk
        4 Vessels 17,983      
USS Growler
Jul 5 1942 ARARE Destroyer 1,850   52-00N, 177-40E Sunk
Aug 25 1942 SENYO MARU Ex-Gunboat 2,904   22-23N, 120-10E Sunk
Aug 31 1942 EIFUKU MARU Cargo 5,866   25-43N, 122-38E Sunk
Sep 4 1942 KASHINO Supply Ship 4,000 e 25-43N, 122-38E Sunk
Sep 7 1942 TAIKA MARU Cargo 2,204   25-31N, 121-33E Sunk
Jan 16 1943 CHIFUKU MARU Passenger-Cargo 5,857   4-00S, 151-55E Sunk
Jun 19 1943 MIYADONO MARU Passenger-Cargo 5,196   1-38N, 148-14E Sunk
Jun 29 1944 KATORI MARU Cargo 1,920   19-09N, 120-27E Sunk
Sep 12 1944 SHIKINAMI Destroyer 1,950   18-16N, 114-40E Sunk
Sep 12 1944 HIRADO Frigate 860   17-54N, 114-49E Sunk
        10 Vessels 32,607      

--17--

USS Grunion
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jul 15 1942 SUBCHASER NO 25 Subchaser 300   52-02N, 177-42E Sunk
Jul 15 1942 SUBCHASER NO 27 Subchaser 300   52-02N, 177-42E Sunk
        2 Vessels 600      
USS Guardfish
Aug 24 1942 SEIKAI MARU Passenger-Cargo 3,109   38-12N, 141-30E Sunk
Sep 2 1942 TEIKYU MARU Cargo 2,332   42-08N, 141-15E Sunk
Sep 4 1942 CHITA MARU Cargo 2,276   40-10N, 141-53E Sunk
Sep 4 1942 TENYU MARU Cargo 3,738   40-14N, 141-51E Sunk
Sep 4 1942 KAIMEI MARU Cargo 5,254   40-14N, 141-51E Sunk
Oct 21 1942 UNKNOWN MARU Cargo 4,000 e 27-03N, 122-42E Sunk
Oct 21 1942 MICHIHO MARU Cargo 6,363   27-03N, 122-42E Sunk
Jan 12 1943 PATROL BOAT NO 1 Old Destroyer 750 e 2-51S, 149-43E Sunk
Jan 22 1943 UNKNOWN MARU Cargo 4,000 e 3-55S, 152-07E Sunk
Jan 23 1943 HAKAZE Destroyer 1,300   2-47S, 150-38E Sunk
Jun 13 1943 SUZUYA MARU Cargo 901   3-08S, 151-24E Sunk
Oct 8 1943 KASHU MARU Cargo 5,460   00-25S, 146-22E Sunk
Jan 14 1944 KENYO MARU Tanker 10,022   5-22N, 141-27E Sunk
Feb 1 1944 UMIKAZE Destroyer 1,580   7-10N, 151-43E Sunk
Jul 16 1944 JINZAN MARU Passenger-Cargo 5,215   18-20N, 119-42E Sunk
Jul 16 1944 MANTAI MARU Cargo 5,863   18-20N, 119-42E Sunk
Jul 17 1944 HIYAMA MARU Cargo 2,838   18-17N, 119-50E Sunk
Jul 19 1944 TEIRYU MARU Cargo 6,550   20-07N, 118-20E Sunk
Sep 25 1944 MIYAKAWA MARU NO 2 Cargo 873   38-30N, 124-06E Sunk
        19 Vessels 72,424      
USS Guavina
Apr 26 1944 NOSHIRO MARU Cargo 2,333   28-37N, 141-00E Sunk
Jul 4 1944 TAMA MARU Passenger-Cargo 3,052   7-33N, 133-45E Sunk
Sep 15 1944 TRANSPORT NO 3 Landing Craft 1,500 e 5-34N, 125-23E Sunk
Nov 22 1944 DOWA MARU Cargo 1,916   10-22N, 114-21E Sunk
Feb 7 1945 TAIGYO MARU Cargo 6,892   7-03N, 106-05E Sunk
Feb 20 1945 EIYO MARU Tanker 8,673   11-17N, 109-00E Sunk
        6 Vessels 24,366      

--18--

USS Gudgeon
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jan 27 1942 I 173 Submarine 1,785   28-24N, 178-35E Sunk
Mar 26 1942 UNKNOWN MARU Cargo 4,000 e 32-31N, 127-10E Sunk
Mar 27 1942 UNKNOWN MARU Passenger-Cargo 4,000 e 33-53N, 127-33E Sunk
Aug 3 1942 NANIWA MARU Cargo 4,858   7-37N, 150-18E Sunk
Oct 21 1942 CHOKO MARU Passenger-Cargo 6,783   3-30S, 150-30E Sunk
Mar 22 1943 MEIGEN MARU Cargo 5,434   6-31S, 112-47E Sunk
Mar 29 1943 TOHO MARU Tanker 9,997   00-00N, 118-18E Sunk
Apr 28 1943 KAMAKURA MARU Transport 17,526   10-18N, 121-44E Sunk
May 12 1943 SUMATRA MARU Cargo 5,862   12-43N, 124-08E Sunk
Sep 28 1943 TAIAN MARU Passenger-Cargo 3,158   15-22N, 145-38E Sunk
Nov 23 1943 NEKKA MARU Transport 6,784   28-49N, 122-11E Sunk
Nov 23 1943 WAKAMIYA Frigate 860   28-49N, 122-11E Sunk
        12 Vessels 71,047      
USS Guitarro
May 30 1944 SHISEN MARU Cargo 2,201   24-30N, 122-30E Sunk
Jun 2 1944 AWAJI Frigate 900 e 22-34N, 121-51E Sunk
Aug 7 1944 KUSAKAKI Frigate 900 e 14-51N, 119-59E Sunk
Aug 10 1944 SHINEI MARU Cargo 5,135   16-17N, 119-46E Sunk
Aug 21 1944 UGA MARU Passenger-Cargo 4,433   13-23N, 120-19E Sunk
Aug 27 1944 NANSHIN MARU NO 27 Tanker 834   12-28N, 119-57E Sunk
Oct 31 1944 KOMEI MARU Cargo 2,857   15-17N, 119-49E Sunk
Oct 31 1944 PACIFIC MARU Passenger-Cargo 5,872   15-17N, 119-49E Sunk
        8 Vessels 23,132      
USS Gunnel
Jun 15 1943 KOYO MARU Cargo 6,435   33-55N, 127-38E Sunk
Jun 19 1943 TOKIWA MARU Cargo 6,971   32-31N, 126-19E Sunk
Dec 4 1943 HIYOSHI MARU Passenger-Cargo 4,046   29-45N, 145-55E Sunk
Nov 8 1944 SAGI Motor Torpedo Boat 595   16-09N, 118-56E Sunk
Nov 17 1944 SHUNTEN MARU Passenger-Cargo 5,623   16-56N, 110-30E Sunk
Nov 17 1944 HIYODORI Motor Torpedo Boat 595   16-56N, 110-30E Sunk
        6 Vessels 24,265      

--19--

USS Gurnard
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jul 11 1943 TAIKO MARU Cargo 1,925   12-53N, 131-49E Sunk
Oct 8 1943 TAIAN MARU Cargo 5,655   18-24N, 119-09E Sunk
Oct 8 1943 DAINICHI MARU Passenger-Cargo 5,813   18-24N, 119-09E Sunk
Dec 24 1943 SEIZAN MARU NO 2 Cargo 1,898   34-02N, 136-19E Sunk
Dec 24 1943 TOFUKU MARU Cargo 5,857   33-58N, 136-16E Sunk
May 6 1944 TENSHINZAN MARU Cargo 6,886   2-42N, 124-10E Sunk
May 6 1944 TAIJIMA MARU Passenger-Cargo 6,995   2-42N, 124-10E Sunk
May 6 1944 ADEN MARU Passenger-Cargo 5,824   2-42N, 124-10E Sunk
May 24 1944 TATEKAWA MARU Tanker 10,090   5-45N, 125-45E Sunk
Nov 3 1944 TAIMEI MARU Cargo 6,923   5-48N, 111-05E Sunk
        10 Vessels 57,866      
USS Haddo
Aug 21 1944 KINRYO MARU Passenger-Cargo 4,390   13-23N, 120-19E Sunk
Aug 21 1944 NORFOLK MARU Passenger-Cargo 6,576   13-23N, 120-19E Sunk
Aug 22 1944 SADO Frigate 860   14-15N, 120-05E Sunk
Aug 23 1944 ASAKAZE Destroyer 1,270   16-06N, 119-44E Probably Sunk
Sep 21 1944 KATSURIKI Surveying Ship 1,540   13-35N, 119-06E Sunk
Nov 9 1944 HISHI MARU NO 2 Tanker 856   12-27N, 120-05E Sunk
Jul 1 1945 COAST DEF VESSEL NO 72 Frigate 800   38-08N, 124-38E Sunk
Jul 1 1945 TAIUN MARU NO 1 Cargo 2,220   38-08N, 124-38E Sunk
Jul 1 1945 KONRI MARU Cargo 3,106   38-08N, 124-38E Sunk
        9 Vessels 21,618      
USS Haddock
Aug 22 1942 UNKNOWN MARU Transport 4,000 e 26-07N, 121-29E Sunk
Aug 26 1942 TEISHUN MARU Cargo 2,251   27-05N, 121-23E Sunk
Nov 3 1942 TEKKAI MARU Cargo 1,925   32-02N, 126-15E Sunk
Nov 11 1942 VENICE MARU Passenger-Cargo 6,571   35-36N, 123-44E Sunk
Jan 17 1943 UNKNOWN MARU Cargo 4,000 e 34-31N, 137-48E Sunk
Apr 3 1943 ARIMA MARU Passenger-Cargo 7,389   10-26N, 135-00E Sunk
Apr 8 1943 TOYO MARU Cargo 1,916   10-26N, 135-00E Sunk

--20--

USS Haddock
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jul 21 1943 SAIPAN MARU Transport 5,533   16-18N, 134-09E Sunk
        8 Vessels 33,585      
USS Hake
Jan 12 1944 NIGITSU MARU Transport 9,547   23-15N, 133-49E Sunk
Feb 1 1944 TACOMA MARU Passenger-Cargo 5,772   1-35N, 128-58E Sunk
Feb 1 1944 NANKA MARU Cargo 4,065   1-35N, 128-58E Sunk
Mar 27 1944 YAMAMIZU MARU Tanker 5,174   3-52S, 109-40E Sunk
Jun 8 1944 KAZEGUMO Destroyer 1,900   6-03N, 125-57E Sunk
Jun 17 1944 KINSHU MARU Cargo 5,591   6-17N, 126-17E Sunk
Jun 20 1944 HIBI MARU Passenger-Cargo 5,874   5-35N, 125-15E Sunk
        7 Vessels 37,923      
USS Halibut
Dec 12 1942 GYOKUZAN MARU Cargo 1,970   40-19N, 142-27E Sunk
Dec 16 1942 SHINGO MARU Cargo 4,740   41-10N, 141-32E Sunk
Dec 16 1942 GENZAN MARU Passenger-Cargo 5,708   41-10N, 141-32E Sunk
Feb 20 1943 SHINKOKU MARU Passenger-Cargo 3,991   15-09N, 159-30E Sunk
Mar 3 1943 NICHIYU MARU Passenger-Cargo 6,817   10-22N, 145-21E Sunk
Aug 30 1943 TAIBUN MARU Passenger-Cargo 6,581   41-53N, 141-10E Sunk
Sep 6 1943 SHOGEN MARU Cargo 3,362   42-13N, 142-16E Sunk
Nov 2 1943 EHIME MARU Cargo 4,653   28-18N, 134-48E Sunk
Apr 12 1944 TAICHU MARU Passenger-Cargo 3,213   28-07N, 129-01E Sunk
Apr 27 1944 GENBU MARU Passenger-Cargo 1,872   27-20N, 128-15E Sunk
Apr 27 1944 KAMOME Coastal Minelayer 450   27-37N, 128-11E Sunk
Oct 25 1944 AKITSUKI Destroyer 1,900   20-29N, 126-36E Sunk
        12 Vessels 45,257      

--21--

USS Hammerhead
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Oct 1 1944 KOKUSEI MARU Cargo 5,396   6-30N, 116-11E Sunk
Oct 1 1944 HIGANE MARU Cargo 5,320   6-30N, 116-11E Sunk
Oct 1 1944 HIYORI MARU Cargo 5,320   6-30N, 116-11E Sunk
Oct 20 1944 UGO MARU Passenger-Cargo 3,684   4-52N, 113-24E Sunk
Oct 20 1944 OYO MARU Passenger-Cargo 5,458   4-41N, 113-22E Sunk
Feb 23 1945 YAKU Frigate 900 e 12-39N, 109-29E Sunk
Mar 29 1945 COAST DEF VESSEL NO 84 Frigate 1,000 e 14-30N, 109-16E Sunk
May 6 1945 KINREI MARU Tanker 850   8-15N, 102-15E Sunk
May 15 1945 TOTTORI MARU Passenger-Cargo 5,973   9-21N, 102-25E Sunk
Jul 10 1945 SAKURA MARU Cargo 900   9-38N, 101-30E Sunk
Jul 10 1945 NANMEI MARU NO 5 Tanker 834 e 9-38N, 101-30E Sunk
        11 Vessels 35,635      
USS Harder
Jun 23 1943 SAGARA MARU Ex-Seaplane Tender 7,189   33-45N, 138-10E Sunk
Sep 9 1943 KOYO MARU Cargo 3,010   35-20N, 140-40E Sunk
Sep 11 1943 YOKO MARU Cargo 1,050   33-50N, 139-33E Sunk
Sep 19 1943 KACHISAN MARU Cargo 814   33-30N, 135-40E Sunk
Sep 23 1943 KOWA MARU Cargo 4,520   34-15N, 137-00E Sunk
Sep 23 1943 DAISHIN MARU Tanker 5,878   34-15N, 137-00E Sunk
Nov 19 1943 UDO MARU Cargo 3,936   22-27N, 147-15E Sunk
Nov 19 1943 HOKKO MARU Cargo 5,385   22-27N, 147-15E Sunk
Nov 20 1943 NIKKO MARU Cargo 5,949   22-47N, 147-20E Sunk
Apr 13 1944 IKAZUCHI Destroyer 1,950   10-13N, 143-51E Sunk
Apr 17 1944 MATSUE MARU Cargo 7,061   9-22N, 142-18E Sunk
Jun 6 1944 MINATSUKI Destroyer 1,500   4-05N, 119-30E Sunk
Jun 7 1944 HAYANAMI Destroyer 2,100   4-43N, 120-03E Sunk
Jun 9 1944 TANIKAZE Destroyer 1,900   5-42N, 120-41E Sunk
Aug 22 1944 MATSUWA Frigate 860   14-15N, 120-05E Sunk
Aug 22 1944 HIBURI Frigate 900 e 14-15N, 120-05E Sunk
        16 Vessels 54,002      
USS Hardhead
Aug 18 1944 NATORI Light Cruiser 5,700   12-29N, 128-49E Sunk
Nov 8 1944 MANEI MARU Tanker 5,226   13-53N, 119-26E Sunk
Nov 25 1944 COAST DEF VESSEL NO 38 Frigate 800 e 14-22N, 119-57E Sunk

--22--

USS Hardhead
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Feb 2 1945 NANSHIN MARU NO 19 Tanker 834 e 5-40N, 103-17E Sunk
Apr 6 1945 ARAOSAN MARU Cargo 6,886   9-37N, 102-48E Sunk
Jun 23 1945 SHUTTLE BOAT NO 833 Miscellaneous Auxiliary 200 e 5-50S, 114-18E Sunk
Jun 23 1945 SUBMARINE CHASER NO 42 Submarine Chaser 100   5-50S, 114-18E Sunk
Jun 23 1945 SUBMARINE CHASER NO 113 Submarine Chaser 200 e 5-50S, 114-18E Sunk
Jul 23 1945 SUBMARINE CHASER NO 117 Submarine Chaser 200 e 8-10S, 115-29E Sunk
        9 Vessels 20,146      
USS Hawkbill
Dec 15 1944 MOMO Destroyer 760   16-00N, 117-39E Sunk
Feb 14 1945 SUBMARINE CHASER NO 4 Submarine Chaser 100 e 8-20S, 115-45E Sunk
Feb 14 1945 SUBMARINE CHASER NO 114 Submarine Chaser 100 e 8-20S, 115-45E Sunk
Feb 20 1945 DAIZEN MARU Cargo 5,396   00-42S, 106-18E Sunk
May 16 1945 HATSUTAKA Minelayer 1,500   4-45N, 103-28E Sunk
        5 Vessels 7,856      
USS Herring
Dec 14 1943 HAKOZAKI MARU Passenger-Cargo 3,948   33-10N, 125-55E Sunk
Jan 1 1944 NAGOYA MARU Cargo-Aircraft Ferry 6,072   32-10N, 137-37E Sunk
May 30 1944 ISHIGAKI Frigate 860   48-30N, 151-30E Sunk
May 31 1944 HOKUYO MARU Cargo 1,590   48-00N, 153-00E Sunk
Jun 1 1944 IWAKI MARU Cargo 3,124   48-00N, 153-00E Sunk
Jun 1 1944 HIBURI MARU Passenger-Cargo 4,365   48-00N, 153-00E Sunk
        6 Vessels 19,959      
USS Hoe
Feb 25 1944 NISSHO MARU Tanker 10,526   5-55N, 126-05E Sunk
Oct 8 1944 KOHOKU MARU Passenger-Cargo 2,573   18-32N, 116-13E Sunk
Feb 25 1945 SHONAN Frigate 900 e 17-08N, 110-01E Sunk
        3 Vessels 13,999      

--23--

USS Icefish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Oct 24 1944 TENSHIN MARU Cargo 4,236   19-31N, 118-10E Sunk
Oct 26 1944 TAIYO MARU Cargo 4,168   19-04N, 120-36E Sunk
        2 Vessels 8,404      
USS Jack
Jan 26 1943 TOYO MARU Passenger-Cargo 4,163   33-22N, 138-56E Sunk
Jun 26 1943 SHOZAN MARU Cargo 5,859   33-22N, 138-56E Sunk
Jul 4 1943 NIKKYU MARU Cargo 6,529   34-31N, 138-35E Sunk
Feb 19 1944 KOKUEI MARU Tanker 5,154   14-34N, 114-11E Sunk
Feb 19 1944 NANEI MARU Tanker 5,019   14-34N, 114-11E Sunk
Feb 19 1944 NICHIRIN MARU Tanker 5,162   15-45N, 115-39E Sunk
Feb 19 1944 ICHIYO MARU Tanker 5,106   15-40N, 115-48E Sunk
Apr 26 1944 YOSHIDA MARU NO 1 Passenger-Cargo 5,425   18-06N, 119-47E Sunk
Jun 25 1944 SAN PEDRO MARU Tanker 7,268   16-07N, 119-44E Sunk
Jun 30 1944 TSURUSHIMA MARU Cargo 4,645   14-25N, 119-47E Sunk
Jun 30 1944 MATSUKAWA MARU Cargo 3,825   14-25N, 119-47E Sunk
Aug 29 1944 MINESWEEPER NO 28 Minesweeper 492   2-03N, 122-28E Sunk
Aug 29 1944 MEXICO MARU Passenger-Cargo 5,785   2-07N, 122-28E Sunk
Nov 14 1944 NICHIEI MARU Cargo 5,396   11-19N, 109-01E Sunk
Nov 15 1944 YUZAN MARU NO 2 Cargo 6,859   11-20N, 109-03E Sunk
        15 Vessels 76,687      
USS Jallao
Aug 11 1945 TEIHOKU MARU Passenger-Cargo 5,795   38-03N, 133-13E Sunk
 
USS Kete
Mar 10 1945 KEIZAN MARU Cargo 2,116   29-31N, 127-55E Sunk
Mar 10 1945 SANKA MARU Cargo 2,495   29-31N, 127-55E Sunk
Mar 10 1945 DOKAN MARU Cargo 2,270   29-31N, 127-55E Sunk
        3 Vessels 6,881      

--24--

USS Kingfish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Oct 1 1942 YOMEI MARU Cargo 2,860   33-35N, 135-15E Sunk
Oct 23 1942 SEIKYO MARU Ex-Gunboat 2,608   33-45N, 135-25E Sunk
Dec 7 1942 HINO MARU NO 3 Passenger-Cargo 4,391   23-59N, 138-43E Sunk
Dec 28 1942 CHOYO MARU Cargo 5,388   24-46N, 120-40E Sunk
Mar 19 1943 TAKACHIHO MARU Transport 8,154   26-00N, 122-18E Sunk
Oct 20 1943 SANA MARU Cargo 3,365   12-36N, 109-30E Sunk
Jan 3 1944 RYUEI MARU Tanker 5,144   8-06N, 112-30E Sunk
Jan 3 1944 BOKUEI MARU Tanker 5,135   6-58N, 112-02E Sunk
Jan 7 1944 FUSHIMI MARU NO 3 Tanker 4,292   9-27N, 117-36E Sunk
Oct 24 1944 IKUTAGAWA MARU Cargo 2,220   27-08N, 143-13E Sunk
Oct 27 1944 TOKAI MARU NO 4 Cargo 537   25-22N, 141-31E Sunk
Oct 27 1944 TRANPORT NO 138 Landing Craft 1,000 e 25-22N, 141-31E Sunk
Jan 3 1945 YAEI MARU Cargo 1,941   30-29N, 142-03E Sunk
Jan 3 1945 SHIBRAZONO MARU Passenger-Cargo 1,831   30-29N, 142-03E Sunk
        14 Vessels 48,866      
USS Lagarto
Feb 24 1945 TATSUMOMO MARU Cargo 880 e 32-40N, 132-33E Sunk
Feb 24 1945 RO 49 Submarine 965   32-40N, 132-33E Sunk
Jun 30 1945 HOKUSHIN MARU Cargo 5,819   15-00N, 115-00E Sunk
        3 Vessels 7,664      
USS Lapon
Oct 18 1943 TAICHU MARU Cargo 1,906   34-00N, 136-24E Sunk
Mar 8 1944 TOYOKUNI MARU Cargo 5,792   19-23N, 116-13E Sunk
Mar 9 1944 NICHIREI MARU Cargo 5,396   19-47N, 116-13E Sunk
Mar 18 1944 HOKUROKU MARU Passenger-Cargo 8,359   19-22N, 116-52E Sunk
May 24 1944 WALES MARU Passenger-Cargo 6,586   7-16N, 109-04E Sunk
May 24 1944 BIZEN MARU Cargo 4,667   7-25N, 108-43E Sunk
Jul 18 1944 KYODO MARU NO 36 Passenger-Cargo 1,499   8-22N, 116-40E Sunk
Jul 31 1944 TENSHIN MARU Tanker 5,061   8-22N, 116-40E Sunk
Sep 22 1944 SHUN YUAN Cargo 1,610   15-22N, 119-17E Sunk
Sep 27 1944 HOKKI MARU Tanker 5,599   15-45N, 117-48E Sunk
Oct 10 1944 EJIRI MARU Cargo 6,968   16-10N, 119-44E Sunk
        11 Vessels 53,443      

--25--

USS Lizardfish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jul 5 1945 SUBMARINE CHASER NO 37 Submarine Chaser 100   8-10S, 114-50E Sunk
 
USS Mingo
Jul 7 1944 TAMANAMI Destroyer 2,100   13-55N, 118-30E Sunk
Nov 25 1944 MANILA MARU Passenger-Cargo 9,486   5-30N, 113-21E Sunk
        2 Vessels 11,586      
USS Muskallunge
Aug 21 1944 DURBAN MARU Passenger-Cargo 7,163   11-43N, 109-17E Sunk
 
USS Narwhal
Mar 4 1942 TAKI MARU Cargo 1,244   28-37N, 129-10E Sunk
Jul 24 1942 UNKNOWN MARU Cargo 1,500 e 45-05N, 147-27E Sunk
Aug 1 1942 MEIWA MARU Cargo 2,921   41-12N, 141-36E Sunk
Aug 8 1942 BIFUKU MARU Passenger-Cargo 2,559   41-14N, 141-32E Sunk
Sep 11 1943 HOKUSHO MARU Cargo 4,211   00-28S, 166-52E Sunk
Dec 5 1943 HIMENO MARU Cargo 834   9-10N, 124-30E Sunk
Mar 3 1944 KARATSU River Gunboat 560   3-52N, 123-23E Sunk
        7 Vessels 13,829      
USS Nautilus
Jun 25 1942 YAMAKAZE Destroyer 1,580   34-34N, 140-26E Sunk
Sep 28 1942 TAMON MARU NO 6 Cargo 4,994   40-35N, 141-50E Sunk
Oct 1 1942 TOSEI MARU Cargo 2,432   41-20N, 141-35E Sunk
Oct 24 1942 KENUN MARU Cargo 4,643   41-24N, 141-50E Sunk
Jan 9 1943 YOSHINOGAWA MARU Cargo 1,430   6-13S, 156-00E Sunk
Mar 6 1944 AMERICA MARU Transport 6,070   21-50N, 143-54E Sunk
        6 Vessels 21,149      

--26--

USS Paddle
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Aug 23 1943 ATAKA MARU Passenger-Cargo 5,248   34-37N, 137-53E Sunk
Apr 16 1944 MITO MARU Passenger-Cargo 7,061   2-02S, 127-20E Sunk
Apr 16 1944 HINO MARU NO 1 Cargo 2,671   2-02S, 127-20E Sunk
Jul 6 1944 HOKAZE Destroyer 1,300   3-24N, 125-28E Sunk
Sep 7 1944 SHINYO MARU Cargo 2,518   8-11N, 122-40E Sunk
        5 Vessels 18,798      
USS Pampanito
Sep 12 1944 KACHIDOKI MARU Transport 10,509   19-18N, 111-53E Sunk
Sep 12 1944 ZUIHO MARU Tanker 5,135   19-18N, 111-53E Sunk
Nov 19 1944 SHINKO MARU NO 1 Cargo 1,200   19-00N, 111-51E Sunk
Feb 6 1945 ENGEN MARU Cargo 6,968   6-29N, 106-11E Sunk
Feb 8 1945 EIFUKU MARU Passenger-Cargo 3,520   7-04N, 104-46E Sunk
        5 Vessels 27,332      
USS Parche
May 4 1944 TAIYOKU MARU Cargo 5,244   20-48N, 118-03E Sunk
May 4 1944 SHORYU MARU Cargo 6,475   20-48N, 118-03E Sunk
Jul 31 1944 KOEI MARU Tanker 10,238   19-10N, 120-58E Sunk
Jul 31 1944 MANKO MARU Passenger-Cargo 4,471   19-10N, 120-58E Sunk
Feb 7 1945 OKINOYAMA MARU Cargo 984   29-09N, 129-45E Sunk
Apr 9 1945 MINESWEEPER NO 3 Minesweeper 615   39-06N, 141-57E Sunk
Jun 21 1945 HIZEN MARU Cargo 946   41-19N, 141-28E Sunk
Jun 26 1945 KAMITSU MARU Ex-Gunboat 2,723   39-25N, 142-04E Sunk
        8 Vessels 31,696      
USS Pargo
Nov 29 1943 MANJU MARU Cargo 5,877   18-23N, 140-18E Sunk
Nov 30 1943 SHOKO MARU Cargo 1,933   14-31N, 140-18E Sunk
May 4 1944 EIRYU MARU Ex-Net Tender 758   7-04N, 129-18E Sunk
Jun 28 1944 YAMAGIKU MARU Cargo 5,236   6-50N, 122-41E Sunk
Sep 10 1944 HINOKI MARU Ex-Net Tender 599   6-27S, 116-48E Sunk
Sep 26 1944 AOTAKA Minelayer 1,600   7-00N, 116-00E Sunk

--27--

USS Pargo
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Nov 26 1944 YUHO MARU Tanker 5,226   4-55N, 114-06E Sunk
Feb 20 1945 NOKAZE Destroyer 1,300   12-48N, 109-38E Sunk
Aug 8 1945 RASHIN MARU Passenger-Cargo 5,454   41-23N, 131-25E Sunk
        9 Vessels 27,983      
USS Permit
Mar 8 1943 HISASHIMA MARU Cargo 2,742   41-16N, 142-27E Sunk
Jul 6 1943 BANSHU MARU NO 33 Cargo 787   43-35N, 140-21E Sunk
Jul 7 1943 SHOWA MARU Passenger-Cargo 2,212   43-14N, 139-53E Sunk
        3 Vessels 5,741      
USS Peto
Oct 1 1943 TONEI MARU Passenger-Cargo 4,930   4-01N, 143-47E Sunk
Oct 1 1943 KINKASAN MARU Cargo 4,980   4-01N, 143-47E Sunk
Dec 1 1943 KONEI MARU Cargo 2,345   1-02N, 146-42E Sunk
Mar 4 1944 KAYO MARU Passenger-Cargo 4,368   1-28S, 138-40E Sunk
Nov 12 1944 TATSUAKI MARU Cargo 2,766   31-18N, 125-30E Sunk
Nov 18 1944 AISAKASAN MARU Cargo 6,923   33-50N, 124-44E Sunk
Nov 18 1944 CHINKAI MARU Cargo 2,827   33-39N, 124-26E Sunk
        7 Vessels 29,139      
USS Pickerel
Jan 10 1942 KANKO MARU Ex-Gunboat 2,929   6-12N, 125-55E Sunk
Feb 15 1943 TATEYAMA MARU Cargo 1,990   39-18N, 142-08E Sunk
Apr 3 1943 SUBMARINE CHASER NO 13 Submarine Chaser 440   40-00N, 142-00E Sunk
Apr 7 1943 FUKUEI MARU Cargo 1,113   41-00N, 142-00E Sunk
        4 Vessels 6,472      
USS Picuda
Mar 2 1944 SHINKYO MARU Ex-Gunboat 2,672   6-25N, 148-31E Sunk
Mar 20 1944 HOKO MARU Cargo 1,504   10-06N, 138-10E Sunk
Mar 30 1944 ATLANTIC MARU Cargo 5,873   12-15N, 145-42E Sunk

--28--

USS Picuda
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
May 22 1944 HASHIDATE Gunboat 1,200   21-20N, 117-10E Sunk
Aug 25 1944 YUNAGI Destroyer 1,270   18-46N, 120-46E Sunk
Aug 25 1944 KOTOKU MARU Cargo 1,943   18-46N, 120-46E Sunk
Sep 16 1944 TOKUSHIMA MARU Passenger-Cargo 5,975   21-15N, 121-29E Sunk
Sep 21 1944 AWAJI MARU Cargo 1,948   18-43N, 120-52E Sunk
Nov 17 1944 MAYASAN MARU Passenger-Cargo 9,433   33-16N, 124-43E Sunk
Nov 23 1944 SHUYO MARU Cargo 6,933   34-15N, 128-58E Sunk
Nov 23 1944 FUKUJU MARU Passenger-Cargo 5,291   34-19N, 128-05E Sunk
Jan 29 1945 CLYDE MARU Passenger-Cargo 5,497   25-33N, 120-54E Sunk
        12 Vessels 49,539      
USS Pike
Aug 5 1943 SHOJU MARU Passenger-Cargo 2,022   24-37N, 154-45E Sunk
 
USS Pintado
Jun 1 1944 TOHO MARU Cargo 4,716   18-13N, 141-19E Sunk
Jun 6 1944 KASHIMASAN MARU Cargo 2,825   16-41N, 142-43E Sunk
Jun 6 1944 HAVRE MARU Cargo 5,652   16-41N, 142-43E Sunk
Aug 6 1944 SHONAN MARU Cargo 5,401   30-53N, 129-47E Sunk
Aug 22 1944 TONAN MARU NO 2 Tanker 19,262   29-44N, 125-22E Sunk
Nov 3 1944 AKIKAZE Destroyer 1,300   16-48N, 117-17E Sunk
Dec 13 1944 TRANSPORT NO 12 Landing Craft 1,900 e 20-34N, 118-45E Sunk
Dec 13 1944 TRANSPORT NO 104 Landing Craft 1,900 e 20-34N, 118-45E Sunk
        8 Vessels 42,956      
USS Pipefish
Sep 12 1944 HAKUTETSU MARU NO 7 Cargo 1,018   33-31N, 135-57E Sunk
Dec 3 1944 COAST DEF VESSEL NO 64 Frigate 800 e 18-36N, 111-54E Sunk
        2 Vessels 1,818      
USS Piranha
Jul 12 1944 NICHIRAN MARU Passenger-Cargo 6,504   18-33N, 122-53E Sunk
Jul 16 1944 SEATTLE MARU Passenger-Cargo 5,773   19-26N, 120-18E Sunk
        2 Vessels 12,277      

--29--

USS Plaice
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jun 30 1944 HYAKUFUKU MARU Ex-Gunboat 986   28-22N, 141-17E Sunk
Jul 5 1944 KOGI MARU Ex-Net Tender 857   27-43N, 141-02E Sunk
Jul 18 1944 SUBMARINE CHASER NO 50 Submarine Chaser 300 e 29-22N, 139-14E Sunk
SEP 27 1944 COAST DEF VESSEL NO 10 Frigate 800 e 29-26N, 128-50E Sunk
        4 Vessels 2,943      
USS Plunger
Jan 18 1942 EIZAN MARU Cargo 4,702   33-30N, 135-00E Sunk
Jun 30 1942 UNKAI MARU NO 5 Cargo 3,282   30-04N, 122-54E Sunk
Jul 2 1942 UNYO MARU NO 3 Cargo 2,997   30-30N, 120-25E Sunk
Mar 12 1943 TAIHOSAN MARU Ex-Water Carrier 1,805   7-15N, 159-10E Sunk
May 10 1943 TATSUTAKE MARU Passenger-Cargo 7,068   14-29N, 149-00E Sunk
May 10 1943 KINAI MARU Passenger-Cargo 8,360   14-29N, 149-00E Sunk
Jul 12 1943 NIITAKA MARU Passenger-Cargo 2,478   43-02N, 140-00E Sunk
Aug 20 1943 SEITAI MARU Cargo 3,404   42-15N, 139-58E Sunk
Aug 22 1943 RYOKAI MARU Cargo 4,655   42-40N, 139-48E Sunk
Feb 2 1944 TOYO MARU NO 5 Cargo 2,193   33-32N, 135-58E Sunk
Feb 2 1944 TOYO MARU NO 8 Cargo 2,191   33-32N, 135-58E Sunk
Feb 23 1944 KIMISHIMA MARU Cargo 5,193   30-30N, 140-20E Sunk
        12 Vessels 48,328      
USS Pogy
May 1 1943 KEISHIN MARU Ex-Gunboat 1,434   37-04N, 141-06E Sunk
May 26 1943 TAINAN MARU Cargo 1,989   37-03N, 141-09E Sunk
Aug 1 1943 MOGAMIGAWA MARU Aircraft Ferry 7,497   11-16N, 153-34E Sunk
Sep 30 1943 MAEBASHI MARU Passenger-Cargo 7,005   6-01N, 139-08E Sunk
Dec 7 1943 SOYO MARU Submarine Tender 6,081   14-04N, 152-09E Sunk
Dec 13 1943 FUKKAI MARU Passenger-Cargo 3,829   7-07N, 134-31E Sunk
Feb 10 1944 MINEKAZE Destroyer 1,300   23-12N, 121-30E Sunk
Feb 10 1944 MALTA MARU Passenger-Cargo 5,500   23-12N, 121-30E Sunk
Feb 20 1944 TAIJIN MARU Cargo 5,154   24-12N, 123-20E Sunk
Feb 20 1944 NANYO MARU Cargo 3,610   24-28N, 123-31E Sunk
Feb 23 1944 HOREI MARU Cargo 5,588   26-22N, 126-15E Sunk
Apr 28 1944 I 183 Submarine 1,630   32-07N, 133-03E Sunk
May 5 1944 SHIRANE MARU Cargo 2,825   33-31N, 135-28E Sunk
May 13 1944 ANBO MARU Cargo 4,523   34-31N, 138-33E Sunk

--30--

USS Pogy
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jul 27 1945 CHIKUZEN MARU Passenger-Cargo 2,448   37-00N, 134-02E Sunk
Aug 5 1945 KOTOHIRASAN MARU Cargo 2,220   39-52N, 138-52E Sunk
        16 Vessels 62,633      
USS Pollack
Jan 7 1942 UNKAI MARU NO 1 Cargo 2,225   34-27N, 138-59E Sunk
Jan 9 1942 TEIAN MARU Cargo 5,387   35-00N, 140-36E Sunk
Mar 11 1942 FUKUSHU MARU Cargo 1,454   30-53N, 126-20E Sunk
May 18 1943 TERUSHIMA MARU Ex-Gunboat 3,110   8-45N, 170-30E Probably Sunk
May 20 1943 BANGKOK MARU Ex-Light Cruiser 5,350   5-47N, 169-42E Sunk
Aug 27 1943 TAIFUKU MARU Passenger-Cargo 3,520   32-27N, 132-24E Sunk
Sep 3 1943 TAGONOURA MARU Cargo 3,521   34-10N, 140-12E Sunk
Mar 20 1944 HAKUYO MARU Cargo 1,327   30-53N, 140-42E Sunk
Mar 25 1944 SUBMARINE CHASER NO 54 Submarine Chaser 300   28-34N, 142-14E Sunk
Apr 3 1944 TOSEI MARU Passenger-Cargo 2,814   30-00N, 139-44E Sunk
May 22 1944 ASANAGI Destroyer 1,270   28-20N, 138-57E Sunk
        11 Vessels 30,278      
USS Pomfret
Oct 2 1944 TSUYAMA MARU Passenger-Cargo 6,962   21-00N, 121-46E Sunk
Nov 2 1944 ATLAS MARU Passenger-Cargo 7,347   20-20N, 121-30E Sunk
Nov 2 1944 HAMBURG MARU Passenger-Cargo 5,271   20-20N, 121-30E Sunk
Nov 25 1944 SHOHO MARU Cargo 1,356   20-18N, 121-34E Sunk
        4 Vessels 20,936      
USS Pompano
May 25 1942 TOKYO MARU Tanker 902   27-03N, 127-03E Sunk
May 30 1942 ATSUTA MARU Transport 7,983   26-07N, 129-06E Sunk
Aug 12 1942 UNKNOWN MARU Cargo 4,000 e 33-02N, 136-00E Sunk
Sep 3 1943 AKAMA MARU Cargo 5,600   41-00N, 141-30E Sunk
Sep 25 1943 TAIKO MARU Cargo 2,958   41-30N, 139-00E Sunk
        5 Vessels 21,443      

--31--

USS Pompon
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jul 25 1943 THAMES MARU Cargo 5,871   2-40N, 148-26E Sunk
May 30 1944 SHIGA MARU Cargo 742   33-15N, 134-11E Sunk
Aug 12 1944 MAYACHI MARU Cargo 2,159   50-28N, 144-09E Sunk
        3 Vessels 8,772      
USS Porpoise
Jan 1 1943 RENZAN MARU Cargo 4,999   39-11N, 141-44E Sunk
Apr 4 1943 KOA MARU Cargo 2,024   13-11N, 161-57E Sunk
Jul 19 1943 MIKAGE MARU NO 20 Passenger-Cargo 2,718   18-34N, 166-20E Sunk
        3 Vessels 9,741      
USS Puffer
Dec 20 1943 FUYO Old Destroyer 820   14-44N, 119-55E Sunk
Jan 1 1944 RYUYO MARU Cargo 6,707   8-24N, 122-56E Sunk
Feb 22 1944 TEIKO MARU Transport 15,105   3-03N, 109-16E Sunk
May 18 1944 SHINRYU MARU Cargo 3,181   7-36S, 113-12E Sunk
Jun 5 1944 ASHIZURI Tanker 2,166 e 6-32N, 120-40E Sunk
Jun 5 1944 TAKASAKI Tanker 2,500 e 6-32N, 120-40E Sunk
Aug 12 1944 TEIKON MARU Tanker 5,113   13-17N, 120-07E Sunk
Jan 10 1945 COAST DEF VESSEL NO 42 Frigate 800 e 27-01N, 126-34E Sunk
        8 Vessels 36,392      
USS Queenfish
Aug 31 1944 CHIYODA MARU Tanker 4,700   21-21N, 121-06E Sunk
Sep 9 1944 TOYOOKA MARU Passenger-Cargo 7,097   19-45N, 120-56E Sunk
Sep 9 1944 MANSHU MARU Transport 3,054   19-45N, 120-56E Sunk
Nov 8 1944 KEIJO MARU Cargo 1,051   31-09N, 129-38E Sunk
Nov 8 1944 HAKKO MARU Cargo 1,948   31-09N, 129-38E Sunk
Nov 9 1944 CHOJUSAN MARU Ex-Gunboat 2,131   31-17N, 129-10E Sunk
Nov 15 1944 AKITSU MARU Aircraft Ferry 9,186   33-15N, 128-10E Sunk
Apr 1 1945 AWA MARU Passenger-Cargo 11,600   25-25N, 120-07E Sunk
        8 Vessels 40,767      

--32--

USS Rasher
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Oct 9 1943 KOGANE MARU Passenger-Cargo 3,132   3-36S, 127-44E Sunk
Oct 13 1943 KENKOKU MARU Cargo 3,127   3-47S, 127-41E Sunk
Oct 31 1943 KORYU MARU Tanker 589   1-25N, 120-46E Sunk
Nov 8 1943 TANGO MARU Tanker 2,046   00-22N, 119-44E Sunk
Jan 4 1944 KIYO MARU Tanker 7,251   5-46N, 108-36E Sunk
Feb 25 1944 TANGO MARU Cargo 6,200   7-46S, 115-09E Sunk
Feb 25 1944 RYUSEI MARU Passenger-Cargo 4,797   7-56S, 115-14E Sunk
Mar 3 1944 NITTAI MARU Cargo 6,484   3-17N, 123-55E Sunk
Mar 27 1944 NICHINAN MARU Cargo 2,750   7-31S, 115-57E Sunk
May 11 1944 CHOI MARU Cargo 1,074   3-30S, 126-06E Sunk
May 29 1944 ANSHU MARU Converted Gunboat 2,601   3-40S, 126-58E Sunk
Jun 8 1944 SHIOYA Tanker 4,000 e 3-04N, 124-03E Sunk
Jun 14 1944 KOAN MARU Cargo 3,183   4-31N, 122-25E Sunk
Aug 6 1944 SHIROGANESAN MARU Cargo 4,739   14-14N, 117-16E Sunk
Aug 18 1944 EISHIN MARU Cargo 542   18-16N, 120-20E Sunk
Aug 18 1944 TEIYO MARU Tanker 9,849   18-09N, 119-56E Sunk
Aug 18 1944 OTAKA Escort Aircraft Carrier 20,000   18-16N, 120-20E Sunk
Aug 19 1944 TEIA MARU Transport 17,537   18-09N, 119-56E Sunk
        18 Vessels 99,901      
USS Raton
Nov 26 1943 ONOE MARU Cargo 6,667   00-40N, 148-14E Sunk
Nov 28 1943 HOKKO MARU Cargo 5,347   1-40N, 141-45E Sunk
Nov 28 1943 YURI MARU Cargo 6,787   1-40N, 141-45E Sunk
Dec 24 1943 HEIWA MARU Cargo 5,578   2-45N, 127-41E Sunk
May 24 1944 IKI Frigate 860   1-17N, 107-50E Sunk
Jun 6 1944 COAST DEF VESSEL NO 15 Frigate 800 e 8-58N, 109-30E Sunk
Oct 18 1944 SHIRANESAN MARU Cargo 4,739   12-37N, 118-46E Sunk
Oct 18 1944 TAIKAI MARU Passenger-Cargo 3,812   12-37N, 118-46E Sunk
Nov 14 1944 UNKAI MARU NO 5 Tanker 2,841   17-57N, 117-45E Sunk
Nov 14 1944 KURASAKI Miscellaneous Auxiliary 989   17-27N, 117-43E Sunk
May 2 1945 TORYU MARU Cargo 1,992   37-22N, 123-43E Sunk
May 12 1945 REKIZAN MARU Cargo 1,311   37-23N, 123-42E Sunk
May 16 1945 EIJU MARU Cargo 2,455   37-39N, 124-11E Sunk
        13 Vessels 44,178      

--33--

USS Ray
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Nov 26 1943 NIKKAI MARU Converted Gunboat 2,562   4-00N, 147-50E Sunk
Dec 27 1943 KYOKO MARU Tanker 5,792   5-00S, 121-22E Sunk
Jan 1 1944 OKUYO MARU Converted Gunboat 2,904   3-51S, 128-04E Sunk
May 22 1944 TENPEI MARU Passenger-Cargo 6,094   5-43N, 127-37E Sunk
Jul 18 1944 JANBI MARU Tanker 5,244   5-21S, 112-30E Sunk
Aug 4 1944 KOSHU MARU Cargo 2,612   3-59S, 117-54E Sunk
Aug 14 1944 ZUISHO MARU Passenger-Cargo 5,289   3-52N, 112-56E Sunk
Aug 18 1944 NANSEI MARU Tanker 5,878   8-48N, 116-58E Sunk
Aug 21 1944 TAKETOYO MARU Passenger-Cargo 6,965   13-23N, 120-19E Sunk
Oct 12 1944 TOKO MARU Passenger-Cargo 4,180   13-31N, 120-19E Sunk
Nov 1 1944 HORAI MARU NO 7 Cargo 865   13-02N, 120-17E Sunk
Nov 14 1944 COAST DEF VESSEL NO 7 Frigate 800 e 17-46N, 117-57E Sunk
        12 Vessels 49,185      
USS Razorback
Dec 30 1944 KURETAKE Old Destroyer 820   21-00N, 121-24E Sunk
 
USS Redfin
Apr 11 1944 AKIGUMO Destroyer 1,900   6-43N, 122-23E Sunk
Apr 15 1944 SHINYU MARU Passenger-Cargo 4,621   6-41N, 123-40E Sunk
Apr 16 1944 YAMAGATA MARU Passenger-Cargo 3,807   7-04N, 123-27E Sunk
Jun 11 1944 ASANAGI MARU Tanker 5,142   6-20N, 120-47E Sunk
Jun 24 1944 ASO MARU Passenger-Cargo 3,028   9-57N, 125-07E Sunk
Nov 8 1944 NICHINAN MARU NO 2 Tanker 5,226   13-46N, 116-53E Sunk
        6 Vessels 23,724      
USS Redfish
Aug 25 1944 BATOPAHA MARU Cargo 5,953   18-33N, 120-34E Sunk
Sep 16 1944 OGURA MARU NO 2 Tanker 7,311   21-23N, 121-17E Sunk
Sep 21 1944 MIZUHO MARU Transport 8,506   18-35N, 120-39E Sunk
Nov 23 1944 HOZAN MARU Transport 2,345   24-26N, 122-46E Sunk
Dec 19 1944 UNRYU Aircraft Carrier 18,500   28-59N, 124-03E Sunk
        5 Vessels 42,615      

--34--

USS Rock
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Oct 26 1944 TAKASAGO MARU NO 7 Tanker 834 e 10-18N, 117-47E Sunk
 
USS Ronquil
Aug 24 1944 YOSHIDA MARU NO 3 Cargo 4,646   25-13N, 121-49E Sunk
Aug 24 1944 FUKUREI MARU Cargo 5,969   25-13N, 121-49E Sunk
        2 Vessels 10,615      
USS Runner
Jun 11 1943 SEINAN MARU Cargo 1,338   41-00N, 141-30E Sunk
Jun 26 1943 SHINRYU MARU Passenger-Cargo 4,936   48-06N, 153-15E Sunk
        2 Vessels 6,274      
USS Runner II
Jul 10 1945 MINESWEEPER NO 27 Minesweeper 630 e 39-20N, 142-07E Sunk
 
USS S-28
Sep 19 1943 KATSURA MARU NO 2 Converted Gunboat 1,368   49-05N, 151-45E Sunk
 
USS S-30
Jun 11 1943 JINBU MARU Cargo 5,228   50-23N, 155-36E Sunk
 
USS S-31
Oct 26 1942 KEIZAN MARU Cargo 2,864   50-09N, 155-37E Sunk
 
USS S-35
Jul 2 1943 BANSHU MARU NO 7 Cargo 5,430   52-30N, 156-12E Sunk
 
USS S-37
Feb 8 1942 NATSUSHIO Destroyer 1,900   5-10S, 119-24E Sunk
Jul 8 1942 TENZAN MARU Passenger-Cargo 2,776   4-00S, 151-50E Sunk
        2 Vessels 4,676      

--35--

USS S-38
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Dec 22 1941 HAYO MARU Cargo 5,445   16-37N, 120-17E Sunk
Aug 8 1942 MEIYO MARU Transport 5,628   4-52S, 152-43E Sunk
        2 Vessels 11,073      
USS S-39
Mar 4 1942 ERIMO Tanker 6,500   4-19S, 108-25E Sunk
 
USS S-41
May 28 1943 SEIKI MARU Cargo 1,036   50-38N, 155-15E Sunk
 
USS S-42
May 11 1942 OKINOSHIMA Minelayer 4,400   5-06S, 153-48E Sunk
 
USS S-44
May 12 1942 SHOEI MARU Converted Salvage Vessel 5,644   4-51S, 152-54E Sunk
Jun 21 1942 KEIJO MARU Converted Gunboat 2,626   9-00S, 160-00E Sunk
Aug 10 1942 KAKO Heavy Cruiser 8,800   2-15S, 152-15E Sunk
        3 Vessels 17,070      
USS Sailfish
Mar 2 1942 KAMOGAWA MARU Aircraft Ferry 6,440   8-06S, 115-57E Sunk
Jun 15 1943 SHINJU MARU Cargo 3,617   39-13N, 142-00E Sunk
Jun 25 1943 IBURI MARU Passenger-Cargo 3,291   39-34N, 142-06E Sunk
Dec 4 1943 CHUYO Escort Aircraft Carrier 20,000   32-37N, 143-39E Sunk
Dec 13 1943 TOTAI MARU Cargo 3,195   30-55N, 132-33E Sunk
Dec 21 1943 UYO MARU Cargo 6,376   32-38N, 132-04E Sunk
Aug 24 1944 TOAN MARU Cargo 2,110   21-29N, 121-18E Sunk
        7 Vessels 45,029      
USS Salmon
May 25 1942 ASAHI Repair Ship 11,441   10-00N, 110-00E Sunk
May 28 1942 GANGES MARU Passenger-Cargo 4,382   9-00N, 111-00E Sunk

--36--

USS Salmon
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Nov 17 1942 OREGON MARU Converted Salvage Vessel 5,873   14-46N, 119-44E Sunk
Aug 10 1943 WAKANOURA MARU Passenger-Cargo 2,411   46-58N, 143-30E Sunk
        4 Vessels 24,107      
USS Sandlance
Feb 28 1944 KAIKO MARU Cargo 3,548   50-02N, 155-30E Sunk
Mar 3 1944 AKASHISAN MARU Cargo 4,541   45-52N, 149-16E Sunk
Mar 13 1944 TATSUTA Light Cruiser 3,300   32-58N, 138-52E Sunk
Mar 13 1944 KOKUYO MARU Cargo 4,667   32-58N, 138-52E Sunk
May 3 1944 KENAN MARU Cargo 3,129   15-29N, 145-42E Sunk
May 11 1944 MITAKESAN MARU Passenger-Cargo 4,441   14-58N, 145-26E Sunk
May 14 1944 KOHO MARU Cargo 4,291   13-42N, 144-43E Sunk
May 17 1944 TAIKOKU MARU Cargo 2,633   14-57N, 144-47E Sunk
May 17 1944 FUKKO MARU Passenger-Cargo 3,834   14-55N, 142-30E Sunk
Jul 14 1944 TAIKO MARU Converted Gunboat 2,984   6-00S, 121-30E Sunk
        10 Vessels 37,368      
USS Sargo
Sep 25 1942 TEIBO MARU Cargo 4,472   10-31N, 109-31E Sunk
Jun 13 1943 KONAN MARU Passenger-Cargo 5,226   6-05N, 138-25E Sunk
Nov 9 1943 TAGA MARU Cargo 2,868   21-38N, 131-19E Sunk
Nov 11 1943 KOSEI MARU Passenger-Cargo 3,551   27-36N, 130-32E Sunk
Feb 17 1944 NICHIRO MARU Passenger-Cargo 6,534   8-50N, 135-57E Sunk
Feb 29 1944 UCHIDE MARU Passenger-Cargo 5,275   8-57N, 132-52E Sunk
Apr 26 1944 WAZAN MARU Cargo 4,851   33-30N, 135-27E Sunk
        7 Vessels 32,777      
USS Saury
Sep 11 1942 KANTO MARU Aircraft Ferry 8,606   3-16S, 118-29E Sunk
May 26 1943 KAGI MARU Transport 2,343   28-45N, 129-37E Sunk
May 28 1943 AKATSUKI MARU Tanker 10,216   27-32N, 126-08E Sunk
May 30 1943 TAKAMISAN MARU Cargo 1,992   30-07N, 124-32E Sunk
May 30 1943 SHOKO MARU Cargo 5,385   30-07N, 124-32E Sunk
        5 Vessels 28,542      

--37--

USS Sawfish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
May 5 1943 HAKKAI MARU Cargo 2,921   34-11N, 137-41E Sunk
Jul 27 1943 HIRASHIMA Coastal Minelayer 720   32-32N, 127-41E Sunk
Dec 8 1943 SANSEI MARU Passenger-Cargo 3,267   25-20N, 141-46E Sunk
Jul 26 1944 I 29 Submarine 2,212   20-10N, 121-50E Sunk
Oct 9 1944 TACHIBANA MARU Tanker 6,521   19-33N, 116-38E Sunk
Oct 23 1944 KIMIKAWA MARU Converted Seaplane Tender 6,863   18-58N, 118-31E Sunk
        6 Vessels 22,504      
USS Scabbardfish
Nov 16 1944 KISARAGI MARU Cargo 875   28-56N, 141-59E Sunk
Nov 28 1944 I 365 Submarine 1,470   34-44N, 141-01E Sunk
        2 Vessels 2,345      
USS Scamp
May 28 1943 KAMIKAWA MARU Converted Seaplane Tender 6,853   1-36S, 150-24E Sunk
Jul 27 1943 I 24 Submarine 2,180   2-50S, 149-01E Sunk
Sep 18 1943 KANSAI MARU Passenger-Cargo 8,614   00-25N, 146-21E Sunk
Nov 10 1943 TOKYO MARU Passenger-Cargo 6,486   3-36N, 150-34E Sunk
Jan 14 1944 NIPPON MARU Tanker 9,975   5-02N, 140-43E Sunk
        5 Vessels 34,108      
USS Scorpion
Apr 20 1943 MEIJI MARU NO 1 Converted Gunboat 1,934   37-10N, 141-25E Sunk
Apr 27 1943 YUZAN MARU Passenger-Cargo 6,380   38-08N, 143-03E Sunk
Jul 3 1943 ANZAN MARU Cargo 3,890   38-08N, 124-20E Sunk
Jul 3 1943 KOKURYU MARU Passenger-Cargo 6,112   38-08N, 124-20E Sunk
        4 Vessels 18,316      
USS Sculpin
Oct 7 1942 NAMINOUE MARU Transport 4,731   3-51S, 151-21E Sunk
Oct 14 1942 SUMIYOSHI MARU Cargo 1,921   3-20S, 150-03E Sunk
Aug 9 1943 SEKKO MARU Passenger-Cargo 3,183   24-51N, 122-12E Sunk
        3 Vessels 9,835      

--38--

USS Sea Devil
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Sep 15 1944 RO 42 Submarine 965   34-30N, 145-23E Sunk
Dec 2 1944 AKIGAWA MARU Cargo 6.859   30-51N, 128-45E Sunk
Dec 2 1944 HAWAII MARU Passenger-Cargo 9,467   30-51N, 128-45E Sunk
Apr 2 1945 TAIJO MARU Cargo 6,866   34-18N, 124-04E Sunk
Apr 2 1945 EDOGAWA MARU Cargo 1,972   34-18N, 124-04E Sunk
Apr 2 1945 NISSHIN MARU Cargo 1,179   34-18N, 124-04E Sunk
Jun 14 1945 WAKAMIYASAN MARU Cargo 2,211   37-38N, 123-34E Sunk
        7 Vessels 29,519      
USS Sea Dog
Oct 22 1944 TOMITSU MARU Converted Gunboat 2,933   29-20N, 129-45E Sunk
Oct 22 1944 MUROTO Supply Ship 4,500 e 29-20N, 129-45E Sunk
Apr 16 1945 TOKO MARU Cargo 6,850   33-24N, 139-31E Sunk
Jun 9 1945 SAGAWA MARU Cargo 1,186   38-13N, 138-43E Sunk
Jun 9 1945 SHOYO MARU Cargo 2,211   38-11N, 138-45E Sunk
Jun 11 1945 KOFUKU MARU Cargo 753   40-28N, 139-47E Sunk
Jun 12 1945 SHINSEN MARU Cargo 880   40-09N, 139-43E Sunk
Jun 15 1945 KOAN MARU Passenger-Cargo 884   39-53N, 139-40E Sunk
Jun 19 1945 KOKAI MARU Cargo 1,272   43-13N, 140-19E Sunk
        9 Vessels 21,469      
USS Sea Owl
Apr 17 1945 RO 56 Submarine 889   19-17N, 166-35E Sunk
Jun 9 1945 COAST DEF VESSEL NO 41 Frigate 800 e 34-18N, 127-18E Sunk
        2 Vessels 1,689      
USS Sea Robin
Jan 6 1945 TARAKAN MARU Tanker 5,135   19-40N, 111-24E Sunk
Mar 3 1945 SUITEN MARU Cargo 2,500   6-29S, 112-48E Sunk
Mar 5 1945 SHOYU MARU Cargo 853   5-42S, 114-02E Sunk
Mar 5 1945 NAGARA MARU Cargo 856   5-41S, 114-01E Sunk
Mar 5 1945 MANYO MARU Converted Gunboat 2,904   5-56S, 113-45E Sunk
Jul 10 1945 SAKISHIMA MARU Cargo 1,224   33-39N, 126-40E Sunk
        6 Vessels 13,472      

--39--

USS Seadragon
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Feb 2 1942 TAMAGAWA MARU Passenger-Cargo 6,441   17-16N, 119-48E Sunk
Jul 12 1942 HIYAMA MARU Cargo 6,171   13-48N, 109-33E Sunk
Jul 13 1942 SHINYO MARU Passenger-Cargo 4,163   13-04N, 109-39E Sunk
Jul 16 1942 HAKODATE MARU Cargo 5,302   12-55N, 109-29E Sunk
Oct 10 1942 SHIGURE MARU Cargo 2,445   1-01S, 117-23E Sunk
Dec 20 1942 I 4 Submarine 1,995   5-02S, 152-33E Sunk
Apr 23 1944 DAIJU MARU Cargo 1,279   33-35N, 135-45E Sunk
Oct 24 1944 EIKO MARU Cargo 1,843   20-10N, 118-16E Sunk
Oct 24 1944 TAITEN MARU Passenger-Cargo 6,442   20-31N, 118-32E Sunk
Oct 24 1944 KOKURYU MARU Passenger-Cargo 7,369   20-33N, 118-34E Sunk
        10 Vessels 43,450      
USS Seahorse
Nov 2 1943 CHIHAYA MARU Cargo 7,089   28-37N, 134-47E Sunk
Nov 2 1943 UME MARU Passenger-Cargo 5,859   28-37N, 134-45E Sunk
Nov 22 1943 DAISHU MARU Cargo 3,322   33-36N, 128-35E Sunk
Nov 26 1943 UNKNOWN MARU Cargo 4,000 e 33-36N, 128-57E Sunk
Nov 27 1943 SAN RAMON MARU Tanker 7,309   33-38N, 129-05E Sunk
Jan 16 1944 NIKKO MARU Cargo 784   12-49N, 150-19E Sunk
Jan 21 1944 YASUKUNI MARU Cargo 3,025   3-19N, 137-02E Sunk
Jan 21 1944 IKOMA MARU Passenger-Cargo 3,156   3-19N, 137-02E Sunk
Jan 30 1944 TOKO MARU Passenger-Cargo 2,747   6-10N, 138-14E Sunk
Feb 1 1944 TOEI MARU Cargo 4,004   4-21N, 143-16E Sunk
Apr 8 1944 ARATAMA MARU Converted Submarine Tender 6,784   13-16N, 144-45E Sunk
Apr 8 1944 KIZUGAWA MARU Cargo 1,915   13-16N, 144-45E Sunk
Apr 9 1944 BISAKU MARU Cargo 4,467   15-22N, 145-06E Sunk
Apr 20 1944 RO 45 Submarine 965   15-19N, 145-31E Sunk
Apr 27 1944 AKIGAWA MARU Cargo 5,244   14-50N, 142-23E Sunk
Jun 27 1944 MEDAN MARU Tanker 5,135   21-21N, 120-18E Sunk
Jul 3 1944 NITTO MARU Cargo 2,186   19-28N, 115-41E Sunk
Jul 3 1944 GYOYU MARU Passenger-Cargo 2,232   19-28N, 115-41E Sunk
Jul 4 1944 KYODO MARU NO 28 Cargo 1,506   20-20N, 114-54E Sunk
Oct 6 1944 COAST DEF VESSEL NO 21 Frigate 800 e 19-27N, 118-08E Sunk
        20 Vessels 72,529      
USS Seal
Dec 23 1941 HAYATAKA MARU Cargo 856   17-35N, 120-12E Sunk
May 28 1942 TATSUFUKU MARU Cargo 1,946   7-27N, 116-17E Sunk

--40--

USS Seal
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Nov 16 1942 BOSTON MARU Transport 5,477   6-18N, 135-20E Sunk
May 4 1943 SAN CLEMENTE MARU Tanker 7,354   6-54N, 134-55E Sunk
Aug 24 1944 TOSEI MARU Cargo 531   42-30N, 144-05E Sunk
Sep 9 1944 SHONAN MARU Passenger-Cargo 5,859   47-58N, 148-20E Sunk
Oct 25 1944 HAKUYO MARU Cargo 5,742   50-17N, 150-50E Sunk
        7 Vessels 27,765      
USS Sealion II
Jun 28 1944 SANSEI MARU Cargo 2,386   34-03N, 129-00E Sunk
Jul 6 1944 SETSUZAN MARU Cargo 1,922   29-59N, 122-53E Sunk
Jul 11 1944 TSUKUSHI MARU NO 2 Cargo 2,417   37-24N, 124-31E Sunk
Jul 11 1944 TAIAN MARU NO 2 Cargo 1,034   37-30N, 124-32E Sunk
Aug 31 1944 SHIRATAKA Minelayer 1,345   21-05N, 121-26E Sunk
Sep 12 1944 NANKAI MARU Passenger-Cargo 8,416   18-42N, 114-30E Sunk
Sep 12 1944 RAKUYO MARU Passenger-Cargo 9,419   18-42N, 114-30E Sunk
Nov 21 1944 KONGO Battleship 31,000   26-09N, 121-23E Sunk
Nov 21 1944 URAKAZE Destroyer 1,900   26-09N, 121-23E Sunk
Dec 20 1944 MAMIYA Supply Ship 7,000 e 17-48N, 114-09E Sunk
Mar 17 1945 SAMUI Tanker 1,458   5-18N, 103-23E Sunk
        11 Vessels 68,297      
USS Searaven
Jan 14 1943 SHIRAHA MARU Cargo 5,693   9-12N, 130-38E Sunk
Nov 25 1943 TOA MARU Tanker 10,052   8-20N, 158-00E Sunk
Sep 21 1944 RIZAN MARU Cargo 4,747   49-16N, 145-29E Sunk
        3 Vessels 20,492      
USS Seawolf
Jun 15 1942 NAMPO MARU Converted Gunboat 1,206   14-20N, 120-20E Sunk
Aug 14 1942 HACHIGEN MARU Passenger-Cargo 3,113   5-07N, 119-37E Sunk
Aug 25 1942 SHOWA MARU Cargo 1,349   3-55N, 118-59E Probably Sunk
Nov 2 1942 GIFU MARU Cargo 2,933   6-14N, 126-07E Sunk
Nov 3 1942 SAGAMI MARU Passenger-Cargo 7,189   7-02N, 125-33E Sunk
Nov 8 1942 KEIKO MARU Converted Gunboat 2,929   6-22N, 126-03E Sunk
Apr 15 1943 KAIHEI MARU Cargo 4,575   21-06N, 151-45E Sunk
Apr 23 1943 PATROL BOAT NO 39 Old Destroyer 820 e 23-45N, 122-45E Sunk

--41--

USS Seawolf
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jun 20 1943 SHOJIN MARU Cargo 4,739   24-39N, 118-52E Sunk
Aug 31 1943 SHOTO MARU Passenger-Cargo 5,254   28-27N, 123-03E Sunk
Aug 31 1943 KOKKO MARU Cargo 5,486   28-27N, 123-03E Sunk
Sep 1 1943 FUSEI MARU Passenger-Cargo 2,256   31-28N, 127-24E Sunk
Oct 29 1943 WUHU MARU Cargo 3,222   22-30N, 115-25E Sunk
Nov 4 1943 KAIFUKU MARU Passenger-Cargo 3,177   21-22N, 113-20E Sunk
Jan 10 1944 ASUKA MARU Cargo 7,523   27-35N, 127-30E Sunk
Jan 10 1944 GETSUYO MARU Cargo 6,440   27-22N, 127-31E Sunk
Jan 11 1944 YAHIKO MARU Cargo 5,747   27-10N, 127-28E Sunk
Jan 14 1944 YAMATSURU MARU Cargo 3,651   28-30N, 133-40E Sunk
        18 Vessels 71,609      
USS Segundo
Mar 11 1945 SHORI MARU Cargo 3,087   34-29N, 127-55E Sunk
Jun 11 1945 FUKUI MARU NO 2 Cargo 1,578   37-11N, 123-23E Sunk
        2 Vessels 4,665      
USS Sennet
Feb 16 1945 NARIU Coastal Minelayer 720   32-10N, 135-54E Sunk
Apr 19 1945 HAGANE MARU Cargo 1,901   33-35N, 135-23E Sunk
Apr 28 1945 HATSUSHIMA Repair Ship 2,000 e 33-58N, 136-17E Sunk
Jul 28 1945 UNKAI MARU NO 15 Cargo 1,208   39-53N, 139-43E Sunk
Jul 28 1945 HAGIKAWA MARU Cargo 2,995   40-17N, 139-50E Sunk
Jul 28 1945 HAKUEI MARU Tanker 2,863   39-53N, 139-43E Sunk
Jul 30 1945 YUZAN MARU Passenger-Cargo 6,039   42-36N, 139-48E Sunk
        7 Vessels 17,726      
USS Shad
Sep 19 1944 IOSHIMA Frigate 900 e 33-40N, 138-18E Sunk
May 17 1945 CHOSAN MARU Cargo 3,939   35-41N, 126-17E Sunk
Jun 7 1945 AZUSA MARU Cargo 1,370   34-00N, 126-45E Sunk
        3 Vessels 6,209      

--42--

USS Shark
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jun 2 1944 CHIYO MARU Cargo 4,700   20-53N, 140-17E Sunk
Jun 4 1944 KATSUKAWA MARU Cargo 6,886   19-35N, 138-43E Sunk
Jun 5 1944 TAMAHIME MARU Cargo 3,080   17-37N, 140-32E Sunk
Jun 5 1944 TAKAOKA MARU Passenger-Cargo 7,006   17-37N, 140-32E Sunk
        4 Vessels 21,672      
USS Silversides
May 17 1942 UNKNOWN MARU Cargo 4,000 e 33-28N, 135-33E Sunk
Jul 28 1942 UNKNOWN MARU Transport 4,000 e 33-21N, 139-24E Sunk
Aug 8 1942 NIKKEI MARU Passenger-Cargo 5,811   33-33N, 135-23E Sunk
Jan 18 1943 TOEI MARU Tanker 10,023   6-21N, 150-23E Sunk
Jan 20 1943 SOMEDONO MARU Passenger-Cargo 5,154   3-52N, 153-56E Sunk
Jan 20 1943 SURABAYA MARU Cargo 4,391   3-52N, 153-56E Sunk
Jan 20 1943 MEIU MARU Cargo 8,230   3-52N, 153-56E Sunk
Jun 11 1943 HIDE MARU Cargo 5,256   2-47N, 152-00E Sunk
Oct 18 1943 TAIRIN MARU Cargo 1,915   1-00N, 143-16E Sunk
Oct 24 1943 TENNAN MARU Cargo 5,407   2-05N, 144-39E Sunk
Oct 24 1943 KAZAN MARU Cargo 1,893   2-05N, 144-39E Sunk
Oct 24 1943 JOHORE MARU Passenger-Cargo 6,182   2-05N, 144-39E Sunk
Dec 29 1943 TENPOSAN MARU Cargo 1,970   8-00N, 133-51E Sunk
Dec 29 1943 SHICHISEI MARU Cargo 1,911   8-03N, 134-04E Sunk
Dec 29 1943 RYUTO MARU Cargo 3,311   8-00N, 133-51E Sunk
Mar 16 1944 KOFUKU MARU Cargo 1,920   4-28N, 135-56E Sunk
May 10 1944 OKINAWA MARU Cargo 2,254   11-26N, 143-46E Sunk
May 10 1944 MIKAGE MARU NO 18 Passenger-Cargo 4,319   11-26N, 143-46E Sunk
May 10 1944 CHOAN MARU NO 2 Converted Gunboat 2,631   11-26N, 143-46E Sunk
May 20 1944 SHOSEI MARU Converted Gunboat 998   13-32N, 144-36E Sunk
May 29 1944 SHOKEN MARU Cargo 1,949   16-23N, 144-59E Sunk
May 29 1944 HORAIZAN MARU Cargo 1,999   16-23N, 144-59E Sunk
Jan 25 1945 MALAY MARU Cargo 4,556   31-18N, 130-08E Sunk
        23 Vessels 90,080      
USS Skate
Dec 21 1943 TERUKAWA MARU Cargo 6,429   9-50N, 151-55E Sunk
Feb 16 1943 AGANO Light Cruiser 7,000   10-11N, 151-42E Sunk
Jul 7 1944 USUGUMO Destroyer 1,950   47-43N, 147-55E Sunk
Jul 15 1944 MIHO MARU Cargo 515   48-07N, 148-06E Sunk
Jul 16 1944 NIPPON MARU Cargo 1,942   48-12N, 148-03E Sunk

--43--

USS Skate
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Sep 29 1944 EKISAN MARU Cargo 3,690   27-12N, 128-18E Sunk
Jun 10 1945 I 122 Submarine 1,142   37-29N, 137-25E Sunk
Jun 12 1945 YOZAN MARU Cargo 1,227   37-07N, 136-42E Sunk
Jun 12 1945 KENJO MARU Cargo 3,142   37-07N, 136-42E Sunk
Jun 12 1945 ZUIKO MARU Cargo 887   37-07N, 136-42E Sunk
        10 Vessels 27,924      
USS Skipjack
May 6 1942 KANAN MARU Cargo 2,567   12-05N, 109-35E Sunk
May 8 1942 BUJUN MARU Cargo 4,804   12-00N, 111-10E Sunk
May 17 1942 TAZAN MARU Passenger-Cargo 5,478   6-22N, 108-36E Sunk
Oct 14 1942 SHUNKO MARU Cargo 6,781   5-35N, 144-25E Sunk
Jan 26 1944 OKITSU MARU Converted Seaplane Tender 6,666   9-22N, 157-26E Sunk
Jan 26 1944 SUZUKAZE Destroyer 1,580   8-51N, 157-10E Sunk
        6 Vessels 27,876      
USS Snapper
Sep 2 1943 MUTSURE Frigate 860   8-40N, 151-31E Sunk
Nov 29 1943 KENRYU MARU Cargo 4,575   33-19N, 139-34E Sunk
Oct 1 1944 SEIAN MARU Passenger-Cargo 1,990   28-11N, 139-30E Sunk
Oct 1 1944 AJIRO Coastal Minelayer 720 e 28-11N, 139-30E Sunk
        4 Vessels 8,145      
USS Snook
May 5 1943 KINKO MARU Cargo 1,268   38-39N, 122-36E Sunk
May 5 1943 DAIFUKU MARU Cargo 3,194   38-39N, 122-36E Sunk
May 7 1943 TOSEI MARU Cargo 4,363   36-05N, 123-21E Sunk
Jul 4 1943 KOKI MARU Cargo 5,290   28-40N, 124-10E Sunk
Jul 4 1943 LIVERPOOL MARU Cargo 5,865   28-40N, 124-10E Sunk
Sep 13 1943 YAMATO MARU Transport 9,656   30-06N, 123-33E Sunk
Sep 22 1943 KATSURAHAMA MARU Cargo 715   39-11N, 123-20E Sunk
Nov 29 1943 YAMAFUKU MARU Passenger-Cargo 4,928   18-37N, 139-45E Sunk
Nov 29 1943 SHIGANOURA MARU Cargo 3,512   18-38N, 139-35E Sunk
Jan 23 1944 MAGANE MARU Converted Gunboat 3,120   29-49N, 140-07E Sunk
Feb 8 1944 LIMA MARU Cargo 6,989   32-18N, 129-20E Sunk
Feb 14 1944 NITTOKU MARU Cargo 3,591   33-48N, 128-49E Sunk
Feb 15 1944 HOSHI MARU NO 2 Cargo 875   34-23N, 128-12E Sunk

--44--

USS Snook
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Feb 23 1944 KOYO MARU Passenger-Cargo 5,471   28-58N, 141-15E Sunk
Oct 23 1944 SHINSEI MARU NO 1 Passenger-Cargo 5,863   19-44N, 118-25E Sunk
Oct 24 1944 KIKUSUI MARU Tanker 3,887   20-54N, 118-19E Sunk
Oct 24 1944 ARISAN MARU Cargo 6,886   20-31N, 118-32E Sunk
        17 Vessels 75,473      
USS Spadefish
Aug 19 1944 TAMATSU MARU Passenger-Cargo 9,589   18-49N, 119-47E Sunk
Aug 22 1944 HAKKO MARU NO 2 Tanker 10,023   18-48N, 120-48E Sunk
Sep 8 1944 NICHIMAN MARU Cargo 1,922   24-46N, 123-15E Sunk
Sep 8 1944 NICHIAN MARU Cargo 6,197   24-46N, 123-15E Sunk
Sep 8 1944 SHINTEN MARU Cargo 1,254   24-39N, 123-31E Sunk
Sep 8 1944 SHOKEI MARU Cargo 2,557   24-39N, 123-31E Sunk
Nov 14 1944 GYOKUYO MARU Cargo 5,396   31-04N, 123-56E Sunk
Nov 17 1944 JINYO Escort Aircraft Carrier 21,000   33-02N, 123-33E Sunk
Nov 18 1944 SUBMARINE CHASER NO 156 Submarine Chaser 100 e 33-07N, 123-09E Probably Sunk
Nov 29 1944 DAIBOSHI MARU NO 6 Cargo 3,925   37-17N, 125-11E Sunk
Jan 28 1945 KUME Frigate 900 e 33-56N, 123-06E Sunk
Jan 28 1945 SANUKI MARU Converted Seaplane Tender 7,158   33-56N, 123-06E Sunk
Feb 4 1945 TAIRAI MARU Passenger-Cargo 4,273   37-18N, 125-22E Sunk
Feb 6 1945 SHOHEI MARU Passenger-Cargo 1,092   38-44N, 121-23E Sunk
Mar 23 1945 DORYO MARU Cargo 2,274   29-31N, 127-41E Sunk
Apr 9 1945 LEE TUNG Cargo 1,853   37-21N, 125-08E Sunk
Jun 10 1945 DAIGEN MARU NO 2 Passenger-Cargo 1,999   43-21N, 140-40E Sunk
Jun 10 1945 UNKAI MARU NO 8 Passenger-Cargo 1,293   43-23N, 140-32E Sunk
Jun 10 1945 JINTSU MARU Passenger-Cargo 994   43-28N, 140-28E Sunk
Jun 14 1945 SEIZAN MARU Passenger-Cargo 2,018   47-03N, 142-01E Sunk
Jun 17 1945 EIJO MARU Cargo 2,274   42-38N, 139-49E Sunk
        21 Vessels 88,091      
USS Spearfish
Apr 17 1942 UNKNOWN MARU Cargo 4,000 e 10-53N, 121-35E Sunk
Apr 25 1942 TOBA MARU Cargo 6,995   17-01N, 120-15E Probably Sunk
Jan 30 1944 TAMASHIMA MARU Passenger-Cargo 3,560   21-15N, 149-18E Sunk
May 6 1944 TOYOURA MARU Cargo 2,510   32-16N, 127-08E Sunk
        4 Vessels 17,065      

--45--

USS Spikefish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Aug 13 1945 I 373 Submarine 1,660   29-02N, 123-53E Sunk
 
USS Spot
Mar 17 1945 NANKING MARU Passenger-Cargo 3,005   25-34N, 120-01E Sunk
 
USS Springer
Mar 19 1945 TRANSPORT NO 18 Landing Craft 1,500 e 26-33N, 127-11E Sunk
Apr 28 1945 SUBMARINE CHASER NO 17 Submarine Chaser 440   32-34N, 128-52E Sunk
May 2 1945 OJIKA Frigate 1,000 e 33-58N, 122-58E Sunk
May 3 1945 COAST DEF VESSEL NO 25 Frigate 1,000 e 34-38N, 124-15E Sunk
        4 Vessels 3,940      
USS Steelhead
Jan 10 1944 YAMABIKO MARU Converted Salvage Vessel 6,795   31-28N, 137-44E Sunk
Jul 31 1944 DAKAR MARU Cargo 7,169   18-57N, 120-50E Sunk
Jul 31 1944 FUSO MARU Transport 8,195   18-57N, 120-50E Sunk
        3 Vessels 22,159      
USS Sterlet
Oct 25 1944 JINEI MARU Tanker 10,500   30-15N, 129-45E Sunk
Mar 1 1945 TATEYAMA MARU Cargo 1,148   34-11N, 139-43E Sunk
May 29 1945 KURETAKE MARU Cargo 1,924   46-36N, 144-22E Sunk
May 29 1945 TENRYO MARU Cargo 2,231   46-36N, 144-22E Sunk
        4 Vessels 15,803      
USS Stingray
Jan 10 1942 HARBIN MARU Transport 5,167   17-40N, 109-20E Sunk
Jun 28 1942 SAIKYO MARU Converted Gunboat 1,292   12-41N, 136-22E Sunk
May 2 1943 TAMON MARU Cargo 8,156   27-18N, 121-38E Sunk
Mar 30 1944 IKUSHIMA MARU Cargo 3,943   20-42N, 143-00E Sunk
        4 Vessels 18,558      

--46--

USS Sturgeon
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Mar 30 1942 CHOKO MARU Cargo 842   5-39S, 119-00E Sunk
Apr 3 1942 UNKNOWN Frigate 750 e 00-36N, 119-19E Probably Sunk
Jul 1 1942 MONTEVIDEO MARU Transport 7,267   18-37N, 119-29E Sunk
Oct 1 1942 KATSURAGI MARU Aircraft Ferry 8,033   5-15S, 153-18E Sunk
Jan 11 1944 ERIE MARU Cargo 5,493   32-56N, 132-02E Sunk
Jan 24 1944 CHOSEN MARU Cargo 3,110   32-25N, 133-00E Sunk
May 11 1944 SEIRYU MARU Cargo 1,904   29-30N, 141-40E Sunk
Jun 29 1944 TOYAMA MARU Passenger-Cargo 7,089   27-41N, 129-09E Sunk
Jul 3 1944 TAIRIN MARU Cargo 6,862   38-52N, 129-56E Sunk
        9 Vessels 41,350      
USS Sunfish
Mar 13 1943 KOSEI MARU Cargo 3,262   29-04N, 129-17E Sunk
Aug 13 1943 EDO MARU Converted Gunboat 1,299   23-24N, 142-26E Sunk
Sep 4 1943 KOZAN MARU Passenger-Cargo 4.180   22-22N, 120-04E Sunk
Feb 23 1944 SHINYUBARI MARU Cargo 5,354   15-17N, 145-03E Sunk
Feb 23 1944 KUNISHIMA MARU Cargo 4,083   15-23N, 145-02E Sunk
Jul 5 1944 SHINMEI MARU Passenger-Cargo 2,577   51-35N, 156-30E Sunk
Jul 9 1944 TAIHEI MARU Cargo 6,284   51-17N, 155-34E Sunk
Sep 10 1944 CHIHAYA MARU Tanker 4,701   33-52N, 127-41E Sunk
Sep 13 1944 ETASHIMA MARU Cargo 6,435   35-04N, 124-49E Sunk
Nov 17 1944 EDOGAWA MARU Cargo 6,968   33-31N, 124-32E Sunk
Nov 18 1944 SEISH MARU Passenger-Cargo 5,463   33-36N, 124-18E Sunk
Nov 30 1944 DAIREN MARU Transport 3,748   38-06N, 124-39E Sunk
Apr 16 1945 MANRYU MARU Cargo 1,620   39-36N, 142-05E Sunk
Apr 16 1945 COAST DEF VESSEL NO 73 Frigate 800 e 39-36N, 142-05E Sunk
Apr 19 1945 KAIHO MARU Cargo 1,093   42-22N, 142-16E Sunk
Apr 19 1945 TAISEI MARU Cargo 1,948   42-23N, 142-13E Sunk
        16 Vessels 59,815      
USS Swordfish
Dec 16 1941 ATSUTASAN MARU Cargo 8,662   18-06N, 109-44E Sunk
Jan 24 1942 MYOKEN MARU Cargo 4,124   1-22N, 125-05E Sunk
May 29 1942 UNKNOWN MARU Cargo 1,900 e 7-33N, 116-18E Sunk
Jun 12 1942 BURMA MARU Cargo 4,584   10-08N, 102-34E Sunk
Jan 19 1943 MYOHO MARU Cargo 4,122   5-30S, 156-00E Sunk
Aug 22 1943 NISHIYAMA MARU Cargo 3,016   2-40N, 137-10E Sunk
Sep 5 1943 TENKAI MARU Cargo 3,203   1-10N, 142-10E Sunk

--47--

USS Swordfish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jan 14 1944 YAMAKUNI MARU Passenger-Cargo 6,921   33-16N, 139-30E Sunk
Jan 16 1944 DELHI MARU Converted Gunboat 2,182   34-04N, 139-56E Sunk
Jan 27 1944 KASAGI MARU Converted Salvage Vessel 3,140   33-31N, 139-36E Sunk
Jun 9 1944 MATSUKAZE Destroyer 1,270   26-59N, 143-13E Sunk
Jun 15 1944 KANSEISHI MARU Cargo 4,804   29-30N, 141-11E Sunk
        12 Vessels 47,928      
USS Tambor
Aug 7 1942 SHOFUKU Converted Net Tender 891   9-22N, 170-12E Sunk
Aug 21 1942 SHINSEI MARU NO 6 Passenger-Cargo 4,928   6-45N, 158-10E Sunk
Nov 3 1942 CHIKUGO MARU Cargo 2,461   20-18N, 108-39E Sunk
May 29 1943 EISHO MARU Cargo 2,486   17-35N, 110-45E Sunk
Jan 29 1944 SHUNTAI MARU Cargo 2,253   27-22N, 128-29E Sunk
Feb 3 1944 ARIAKE MARU Cargo 5,000   29-11N, 124-45E Sunk
Feb 3 1944 GOYO MARU Tanker 8,496   29-11N, 124-45E Sunk
Feb 12 1944 RONSAN MARU Passenger-Cargo 2,735   27-43N, 128-35E Sunk
May 26 1944 CHIYO MARU Cargo 657   20-30N, 141-45E Sunk
Aug 13 1944 TOEI MARU Cargo 2,324   48-56N, 149-03E Sunk
Jun 2 1945 EIKA MARU Passenger-Cargo 1,248   20-30N, 107-57E Sunk
        11 Vessels 33,479      
USS Tang
Feb 17 1944 GYOTEN MARU Cargo 6,854   8-04N, 149-28E Sunk
Feb 22 1944 FUKUYAMA MARU Passenger-Cargo 3,581   14-47N, 144-50E Sunk
Feb 23 1944 YAMASHIMO MARU Cargo 6,776   14-45N, 144-32E Sunk
Feb 24 1944 ECHIZEN MARU Cargo 2,424   15-16N, 143-12E Sunk
Feb 25 1944 CHOKO MARU Cargo 1,794   15-50N, 144-21E Sunk
Jun 24 1944 TAMAHOKO MARU Passenger-Cargo 6,780   32-30N, 129-35E Sunk
Jun 24 1944 TAINAN MARU Cargo 3,175   32-30N, 129-35E Sunk
Jun 24 1944 NASUSAN MARU Passenger-Cargo 4,399   32-30N, 129-35E Sunk
Jun 24 1944 KENNICHI MARU Cargo 1,938   32-30N, 129-35E Sunk
Jun 30 1944 NIKKIN MARU Cargo 5,705   35-03N, 125-08E Sunk
Jul 1 1944 TAIUN MARU NO 2 Cargo 998   34-33N, 125-12E Sunk
Jul 1 1944 TAKATORI MARU NO 1 Tanker 878   34-27N, 123-46E Sunk
Jul 4 1944 ASUKAZAN MARU Cargo 6,886   35-22N, 125-56E Sunk
Jul 4 1944 YAMAOKA MARU Cargo 6,932   36-05N, 125-48E Sunk
Jul 6 1944 DORI MARU Cargo 1,469   38-40N, 123-40E Sunk
Aug 11 1944 ROKO MARU Cargo 3,328   34-12N, 136-19E Sunk
Aug 23 1944 TSUKUSHI MARU Transport 8,135   34-37N, 137-50E Sunk

--48--

USS Tang
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Oct 10 1944 JOSHU GO Cargo 1,658   25-20N, 121-32E Sunk
Oct 11 1944 OITA MARU Cargo 711   25-40N, 121-30E Sunk
Oct 23 1944 TOUN MARU Cargo 1,915   24-57N, 120-25E Sunk
Oct 23 1944 WAKATAKE MARU Cargo 1,920   24-57N, 120-25E Sunk
Oct 23 1944 TATSUJU MARU Cargo 1,944   24-57N, 120-25E Sunk
Oct 25 1944 KOGEN MARU Cargo 6,600   25-06N, 119-31E Sunk
Oct 25 1944 MATSUMOTO MARU Cargo 7,024   25-06N, 119-31E Sunk
        24 Vessels 93,824      
USS Tarpon
Feb 1 1943 FUSHIMI MARU Passenger-Cargo 10,935   34-16N, 138-17E Sunk
Feb 8 1943 TATSUTA MARU Transport 16,975   33-45N, 140-25E Sunk
        2 Vessels 27,910      
USS Tautog
Apr 26 1942 RO 30 Submarine 965   18-11N, 166-54W Sunk
May 17 1942 I 28 Submarine 2,212   6-30N, 152-00E Sunk
May 25 1942 SHOKA MARU Cargo 4,467   4-07N, 143-32E Sunk
Aug 6 1942 OHIO MARU Passenger-Cargo 5,872   13-51N, 113-15E Sunk
Oct 27 1942 UNKNOWN MARU Passenger-Cargo 4,000 e 10-20N, 108-43E Sunk
Dec 25 1942 BANSHU MARU NO 2 Cargo 1,000   9-00S, 124-00E Sunk
Jan 22 1943 HASSHU MARU Passenger-Cargo 1,873   5-40S, 120-35E Sunk
Apr 9 1943 ISONAMI Destroyer 1,950   5-26S, 123-04E Sunk
Apr 9 1943 PENANG MARU Cargo 5,214   5-29S, 123-02E Sunk
Jun 6 1943 SHINEI MARU Cargo 973   7-00N, 123-37E Sunk
Jun 20 1943 MEITEN MARU Cargo 4,474   15-57N, 140-55E Sunk
Nov 4 1943 SUBMARINE CHASER NO 30 Submarine Chaser 100   7-34N, 134-00E Sunk
Jan 3 1944 SAISHU MARU Cargo 2,082   33-44N, 136-02E Sunk
Jan 4 1944 USA MARU Cargo 3,943   34-09N, 136-50E Sunk
Mar 13 1944 RYUA MARU Cargo 1,925   47-41N, 152-41E Sunk
Mar 13 1944 SHOJIN MARU Cargo 1,942   47-41N, 152-41E Sunk
Mar 16 1944 SHIRAKUMO Destroyer 1,950   42-25N, 144-55E Sunk
Mar 16 1944 NICHIREN MARU Passenger-Cargo 5,460   42-25N, 144-55E Sunk
May 2 1944 RYOYO MARU Passenger-Cargo 5,973   48-04N, 153-16E Sunk
May 3 1944 FUSHIMI MARU Passenger-Cargo 4,935   45-28N, 149-56E Sunk
May 8 1944 MIYAZAKI MARU Passenger-Cargo 3,944   41-49N, 141-12E Sunk
May 12 1944 BANEI MARU NO 2 Cargo 1,186   40-01N, 141-58E Sunk
Jul 8 1944 MATSU MARU Cargo 887   40-56N, 141-27E Sunk

--49--

USS Tautog
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Aug 2 1944 KONEI MARU Cargo 1,922   33-57N, 136-20E Sunk
Jan 17 1945 TRANSPORT NO 15 Landing Craft 1,500 e 31-09N, 130-29E Sunk
Jan 20 1945 SHURI MARU Motor Torpedo Boat Tender 1,857   33-37N, 128-40E Sunk
        26 Vessels 72,606      
USS Tench
Jun 2 1945 MIKAMISAN MARU Cargo 861   41-22N, 141-28E Sunk
Jun 4 1945 RYUJIN MARU Cargo 517   40-54N, 141-29E Sunk
Jun 9 1945 KAMISHIKA MARU Cargo 2,857   41-52N, 141-08E Sunk
Jun 10 1945 SHOEI MARU NO 6 Tanker 834   41-20N, 141-29E Sunk
        4 Vessels 5,069      
USS Threadfin
Jan 30 1945 ISSEI MARU Passenger-Cargo 1,864   33-30N, 135-31E Sunk
Mar 28 1945 MIKURA Frigate 900 e 31-49N, 131-44E Sunk
Jul 20 1945 MINESWEEPER NO 39 Minesweeper 630 e 35-01N, 125-42E Sunk
        3 Vessels 3,394      
USS Thresher
Apr 10 1942 SADO MARU Cargo 3,039   34-52N, 139-15E Sunk
Jul 9 1942 SHINSHO MARU Motor Torpedo Boat Tender 4,836   8-43N, 167-33E Sunk
Oct 31 1942 UNKNOWN MARU Cargo 3,000 e 4-40S, 118-54E Probably Sunk
Dec 29 1942 HACHIAN MARU Cargo 2,733   4-45S, 113-54E Sunk
Feb 21 1943 KUWAYAMA MARU Cargo 5,724   7-53S, 119-13E Sunk
Mar 2 1943 TOEN MARU Tannker 5,232   3-29S, 117-17E Sunk
Jul 1 1943 YONEYAMA MARU Passenger-Cargo 5,274   00-20N, 119-32E Sunk
Nov 13 1943 MUKO MARU Transport 4,862   8-57N, 152-36E Sunk
Jan 15 1944 TATSUNO MARU Cargo 6,960   19-45N, 120-40E Sunk
Jan 15 1944 TOHO MARU Cargo 4,092   19-45N, 120-40E Sunk
Jan 27 1944 KIKUZUKI MARU Cargo 1,266   22-11N, 119-12E Sunk
Jan 27 1944 KOSEI MARU Cargo 2,205   22-11N, 119-12E Sunk
Jul 17 1944 SAINEI MARU Cargo 4,916   19-04N, 119-26E Sunk
Jul 17 1944 SHOZAN MARU Cargo 2,838   19-04N, 119-26E Sunk
Sep 18 1944 GYOKU MARU Cargo 6,854   35-05N, 124-24E Sunk
Sep 25 1944 NISSEI MARU Cargo 1,468   37-32N, 124-33E Sunk
Sep 26 1944 KOETSU MARU Cargo 873   37-13N, 123-48E Sunk
        17 Vessels 66,172      

--50--

USS Tilefish
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Dec 22 1944 CHIDORI Motor Torpedo Boat 527   34-33N, 138-02E Sunk
Mar 5 1945 MINESWEEPER NO 15 Minesweeper 492   29-30N, 129-33E Sunk
        2 Vessels 1,019      
USS Tinosa
Nov 22 1943 KISO MARU Cargo 4,071   7-09N, 134-34E Sunk
Nov 22 1943 YAMATO MARU Cargo 4,379   7-09N, 134-34E Sunk
Nov 26 1943 SHINI MARU Cargo 3,811   6-56N, 134-38E Sunk
Dec 3 1943 AZUMA MARU Passenger-Cargo 6,646   6-29N, 131-28E Sunk
Jan 22 1944 KOSHIN MARU Passenger-Cargo 5,485   7-22N, 115-05E Sunk
Jan 22 1944 SEINAN MARU Cargo 5,401   7-22N, 115-05E Sunk
Feb 15 1944 ODATSUKI MARU Cargo 1,988   10-03N, 126-54E Sunk
Feb 16 1944 CHOJO MARU Transport 2,610   9-15N, 127-05E Sunk
May 4 1944 TAIBU MARU Cargo 6,440   20-54N, 118-14E Sunk
May 4 1944 TOYOHI MARU Cargo 6,436   20-51N, 118-02E Sunk
Jul 3 1944 KONSAN MARU Passenger-Cargo 2,733   32-24N, 128-46E Sunk
Jul 3 1944 KAMO MARU Passenger-Cargo 7,954   32-24N, 128-46E Sunk
Jun 9 1945 WAKATAMA MARU Cargo 2,211   37-32N, 129-10E Sunk
Jun 12 1945 KEITO MARU Cargo 880   37-47N, 129-10E Sunk
Jun 20 1945 KAISEI MARU Cargo 884   35-39N, 130-29E Sunk
Jun 20 1945 TAITO MARU Cargo 2,726   36-04N, 130-26E Sunk
        16 Vessels 64,655      
USS Tirante
Mar 25 1945 FUJI MARU Tanker 703   31-08N, 130-30E Sunk
Mar 28 1945 NASE MARU Cargo 1,218   32-15N, 129-55E Sunk
Apr 9 1945 NIKKO MARU Transport 5,057   36-50N, 123-55E Sunk
Apr 14 1945 JUZAN MARU Passenger-Cargo 3,943   33-25N, 126-15E Sunk
Apr 14 1945 COAST DEF VESSEL NO 31 Frigate 800 e 33-25N, 126-15E Sunk
Apr 14 1945 NOMI Frigate 900 e 33-25N, 126-15E Sunk
Jun 11 1945 HAKUJU MARU Cargo 2,220   32-37N, 129-45E Sunk
Jul 8 1945 SAITSU MARU Passenger-Cargo 1,045   38-48N, 121-28E Sunk
        8 Vessels 15,886      
USS Torsk
Aug 13 1945 KAIHO MARU Cargo 873   36-16N, 136-08E Sunk
Aug 14 1945 COAST DEF VESSEL NO 13 Frigate 800 e 35-42N, 134-35E Sunk

--51--

USS Torsk
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Aug 14 1945 COAST DEF VESSEL NO 47 Frigate 800 e 35-42N, 134-36E Sunk
        3 Vessels 2,473      
USS Trepang
Oct 1 1944 TAKUNAN MARU Cargo 751   30-32N, 138-17E Sunk
Oct 11 1944 TRANSPORT NO 105 Landing Craft 1,000 e 33-18N, 137-42E Sunk
Dec 6 1944 BANSHU MARU NO 31 Cargo 748   18-54N, 120-49E Sunk
Dec 6 1944 JINYO MARU Cargo 6,862   18-54N, 120-49E Sunk
Dec 6 1944 FUKUYO MARU Cargo 5,463   18-59N, 121-05E Sunk
Feb 24 1945 UKUKI MARU Cargo 875 e 33-58N, 136-18E Sunk
Mar 3 1945 NISSHO MARU NO 2 Converted Gunboat 1,386   34-05N, 139-54E Sunk
Apr 28 1945 TRANSPORT NO 146 Landing Craft 1,000 e 32-24N, 128-40E Sunk
Apr 30 1945 MIHO MARU Cargo 4,667   34-20N, 123-58E Sunk
May 4 1945 MINESWEEPER NO 20 Minesweeper 492   34-16N, 123-37E Sunk
Jul 7 1945 KOUN MARU NO 2 Passenger-Cargo 606   41-21N, 141-28E Sunk
        11 Vessels 23,850      
USS Trigger
Oct 17 1942 HOLLAND MARU Cargo 5,869   32-21N, 132-04E Sunk
Dec 22 1942 TEIFUKU MARU Cargo 5,198   34-52N, 139-49E Sunk
Jan 10 1943 OKIKAZE Destroyer 1,300   35-02N, 140-12E Sunk
Mar 15 1943 MOMOHA MARU Cargo 3,103   00-00N, 145-00E Sunk
Jun 1 1943 NOBORIKAWA MARU Cargo 2,182   35-02N, 140-14E Sunk
Sep 18 1943 YOWA MARU Cargo 6,435   27-31N, 126-57E Sunk
Sep 21 1943 SHIRIYA Tanker 6,500   26-27N, 122-40E Sunk
Sep 21 1943 SHOYO MARU Tanker 7,498   26-27N, 122-40E Sunk
Sep 21 1943 ARGUN MARU Cargo 6,662   26-27N, 122-40E Sunk
Nov 2 1943 YAWATA MARU Cargo 1,852   28-49N, 134-50E Sunk
Nov 2 1943 DELAGOA MARU Passenger-Cargo 7,148   28-55N, 134-43E Sunk
Nov 13 1943 NACHISAN MARU Passenger-Cargo 4,433   32-57N, 125-06E Sunk
Nov 21 1943 EIZAN MARU Cargo 1,681   36-40N, 125-31E Sunk
Jan 31 1944 NASAMI Coastal Minelayer 443   9-50N, 147-06E Sunk
Jan 31 1944 YASUKUNI MARU Converted Submarine Tender 11,933   9-21N, 147-02E Sunk
Apr 27 1944 MIIKE MARU Passenger-Cargo 11,739   8-20N, 134-53E Sunk
Mar 18 1945 TSUKUSHI MARU NO 3 Cargo 1,012   28-05N, 126-44E Sunk
Mar 27 1945 ODATE Repair Ship 1,564   30-40N, 127-50E Sunk
        18 Vessels 86,552      

--52--

USS Triton
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Feb 17 1942 SHINYO MARU NO 5 Cargo 1,498   32-14N, 127-14E Sunk
Feb 21 1942 SHOKYU MARU Cargo 4,484   32-10N, 126-28E Sunk
Apr 23 1942 UNKNOWN MARU Trawler 1,000 e 28-22N, 153-18E Probably Sunk
May 1 1942 CALCUTTA MARU Passenger-Cargo 5,339   28-07N, 123-45E Sunk
May 6 1942 TAIEI MARU Cargo 2,209   28-42N, 123-50E Sunk
May 6 1942 TAIGEN MARU Passenger-Cargo 5,660   28-19N, 123-38E Sunk
May 17 1942 I 164 Submarine 1,635   29-25N, 134-09E Sunk
Jul 4 1942 NENOHI Destroyer 1,600   52-15N, 173-51E Sunk
Dec 24 1942 AMAKASU MARU NO 1 Water Carrier 1,913   19-16N, 166-37E Sunk
Dec 28 1942 OMI MARU Passenger-Cargo 3,393   6-23N, 160-17E Sunk
Mar 6 1943 KIRIHA MARU Cargo 3,057   00-00N, 145-00E Sunk
        11 Vessels 31,788      
USS Trout
Feb 10 1942 CHUWA MARU Cargo 2,719   25-30N, 122-38E Sunk
May 2 1942 UZAN MARU Cargo 5,014   33-26N, 135-52E Sunk
May 4 1942 KONGOSAN MARU Converted Gunboat 2,119   33-32N, 136-05E Sunk
Sep 21 1942 KOEI MARU Converted Net Tendner 863   6-54N, 151-51E Sunk
Jan 21 1943 UNKNOWN MARU Cargo 2,984 e 11-25N, 109-22E Sunk
Feb 14 1943 HIROTAMA MARU Converted Gunboat 1,911   4-11S, 117-45E Sunk
Jun 15 1943 SANRAKU MARU Tanker 3,000   5-09N, 119-38E Sunk
Jul 2 1943 ISUZU MARU Cargo 2,866   13-36N, 121-49E Sunk
Sep 9 1943 I 182 Submarine 1,630   10-33N, 125-31E Sunk
Sep 23 1943 RYOTOKU MARU Cargo 3,483   21-17N, 142-00E Sunk
Sep 23 1943 YAMASHIRO MARU Passenger-Cargo 3,429   21-17N, 143-00E Sunk
Feb 29 1944 SAKITO MARU Passenger-Cargo 7,126   22-40N, 131-50E Sunk
        12 Vessels 37,144      
USS Tullibee
Aug 22 1943 KAISHO MARU Passenger-Cargo 4,164   10-09N, 147-25E Sunk
Oct 15 1943 CHICAGO MARU Passenger-Cargo 5,866   24-35N, 120-31E Sunk
Jan 31 1944 HIRO MARU Converted Net Tender 549   15-23N, 145-35E Sunk
        3 Vessels 10,579      

--53--

USS Tuna
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Mar 4 1942 UNKNOWN MARU Cargo 4,000 e 32-33N, 133-26E Sunk
May 15 1942 TOYOHARA MARU Cargo 805   33-34N, 125-09E Sunk
Mar 30 1943 KUROHIME MARU Cargo 4,697   00-22S, 147-46E Sunk
Dec 12 1943 TOSEI MARU Cargo 5,484   2-44N, 126-14E Sunk
        4 Vessels 14,986      
USS Tunny
Feb 8 1943 KUSUYAMA MARU Cargo 5,306   22-40N, 119-12E Sunk
Apr 2 1943 TOYO MARU NO 2 Cargo 4,163   7-23N, 149-13E Sunk
Apr 7 1943 KOSEI MARU Passenger-Cargo 8,237   8-50N, 147-06E Sunk
Jun 28 1943 SHOTOKU MARU Converted Gunboat 1,964   14-10N, 145-03E Sunk
Mar 23 1944 I 42 Submarine 2,212   6-40N, 134-03E Sunk
May 17 1944 NICHIWA MARU Cargo 4,955   14-45N, 142-40E Sunk
        6 Vessels 26,837      
USS Wahoo
Dec 10 1942 KAMOI MARU Cargo 5,355   4-56S, 154-58E Sunk
Jan 26 1943 UNKNOWN MARU Cargo 4,000 e 2-37N, 139-42E Sunk
Jan 26 1943 BUYO MARU Transport 5,447   1-55N, 139-14E Sunk
Jan 26 1943 FUKUEI MARU NO 2 Cargo 1,901   1-55N, 139-14E Sunk
Mar 19 1943 ZOGEN MARU Cargo 1,428   38-29N, 122-19E Sunk
Mar 19 1943 KOWA MARU Transport 3,217   38-27N, 122-18E Sunk
Mar 21 1943 NITTSU MARU Cargo 2,183   38-05N, 124-33E Sunk
Mar 21 1943 HOZAN MARU Cargo 2,260   38-11N, 124-33E Sunk
Mar 23 1943 UNKNOWN MARU Cargo 2,427 e 38-37N, 121-01E Sunk
Mar 24 1943 TAKAOSAN MARU Cargo 2,076   39-01N, 122-25E Sunk
Mar 25 1943 SATSUKI MARU Cargo 827   38-10N, 123-26E Sunk
Mar 25 1943 UNKNOWN MARU Cargo 2,556 e 38-13N, 123-24E Sunk
Mar 29 1943 YAMABATO MARU Cargo 2,556   30-26N, 129-41E Sunk
May 7 1943 TAMON MARU NO 5 Passenger-Cargo 5,260   40-05N, 141-53E Sunk
May 9 1943 TAKAO MARU Passenger-Cargo 3,204   38-57N, 141-49E Sunk
May 9 1943 JINMU MARU Cargo 1,912   38-57N, 141-49E Sunk
Sep 29 1943 MASAKI MARU NO 2 Cargo 1,238   40-00N, 130-00E Sunk
Oct 5 1943 KONRON MARU Transport 7,908   34-00N, 130-00E Sunk
Oct 6 1943 KANKO MARU Passenger-Cargo 1,288   37-18N, 129-33E Sunk
Oct 9 1943 KANKO MARU Cargo 2,995   37-18N, 129-33E Sunk
        20 Vessels 60,038      

--54--

USS Whale
Date Name of Vessel Type of Vessel Tonnage   Location Assessment
Jan 13 1943 IWASHIRO MARU Cargo 3,550   9-54N, 167-07E Sunk
Jan 17 1943 HEIYO MARU Passenger-Cargo 9,815   10-13N, 151-25E Sunk
Jan 27 1943 SHOAN MARU Passenger-Cargo 5,624   14-15N, 153-43E Sunk
Mar 23 1943 KENYO MARU Cargo 6,486   17-16N, 144-56E Sunk
May 26 1943 SHOEI MARU Cargo 3.580   14-17N, 144-53E Sunk
Aug 8 1943 NARUTO MARU Aircraft Ferry 7,149   24-12N, 142-51E Sunk
Jan 16 1944 DENMARK MARU Cargo 5,870   23-09N, 135-14E Sunk
Apr 9 1944 HONAN MARU Cargo 5,401   33-50N, 128-01E Sunk
Oct 6 1944 AKANE MARU Tanker 10,241   19-40N, 118-05E Sunk
        9 Vessels 57,716      

--55--

Japanese Naval and Merchant Vessels Sunk During World War II
by
Combinations Including United States Submarines

Date Name of Vessel Type of Vessel Tonnage Location Flag of Agent Agent Assessment
Jan 26 1943 TOKAI MARU Passenger-Cargo 8,358 13-27N, 144-37E United States Snapper
Flying Fish
Sunk
Mar 28 1943 SUWA MARU Transport 10,672 19-13N, 166-34E United States Tunny
Finback
Seadragon
Sunk
Oct 6 1943 KAZAHAYA Tanker 8,000e 10-01N, 148-31E United States Tinosa
Steelhead
Sunk
Oct 27 1943 FUJI MARU Transport 9,138 28-25N, 128-04E United States Shad
Grayback
Sunk
Jan 17 1944 TARUSHIMA MARU Cargo 4,865 22-45N, 135-00E United States Whale
Seawolf
Sunk
May 14 1944 BISAN MARU Cargo 4,500 9-00N, 133-34E United States Bowfin
Aspro
Sunk
Jul 26 1944 TOSAN MARU Passenger-Cargo 8,666 18-13N, 117-50E United States Crevalle
Flasher
Sunk
Jul 31 1944 YOSHINO MARU Transport 8,990 19-10N, 120-58E United States Steelhead
Parche
Sunk
Aug 12 1944 SHIMPO MARU Tanker 5,135 13-17N, 120-07E United States Puffer
Bluefish
Sunk
Oct 7 1944 KINUGASA MARU Passenger-Cargo 8,407 14-30N, 115-48E United States Hawkbill
Baya
Sunk
Oct 9 1944 TOKUWA MARU Cargo 1,943 12-46N, 118-02E United States Hawkbill
Becuna
Sunk
Oct 30 1944 TAKANE MARU Tanker 10,021 30-14N, 132-50E United States Trigger
Salmon
Sterlet
Sunk
Nov 4 1944 KAGU MARU Passenger-Cargo 6,806 15-54N, 119-45E United States Ray
Bream
Guitarro
Sunk
Nov 21 1944 GYOSAN MARU Cargo 5,698 10-39N, 115-05E United States Flounder
Guavina
Sunk
Dec 6 1944 KENJO MARU Cargo 6,933 18-57N, 120-58E United States Segundo
Razorback
Sunk
Dec 8 1944 SHOEI MARU Tanker 2,854 4-03N, 111-31E United States Paddle
Hammerhead
Sunk

--56--

 

Date Name of Vessel Type of Vessel Tonnage Location Flag of Agent Agent Assessment
Jan 8 1945 HIKOSHIMA MARU Tanker 2,854 24-37N, 120-30E United States Barb
Picuda
Queenfish
Sunk
Apr 7 1945 ISUZU Light Cruiser 5,700 7-38S, 118-09E United States Charr
Gabilan
Sunk
United States Submarines and Navy Carrier-Based Aircraft
Jun 4 1942 SORYU Light Aircraft Carrier 17,500 30-13N, 179-17W United States Nautilus
Navy Carrier-Based Aircraft
Sunk
Jul 25 1944 SAMIDARE Destroyer 1,580 8-10N, 134-38E United States Batfish
Navy Carrier-Based Aircraft
Sunk
Sep 9 1944 EIYO MARU NO 2 Tanker 5,061 8-11N, 122-40E United States Paddle
Navy Carrier-Based Aircraft
Sunk
Oct 25 1944 TAMA Light Cruiser 5,700 21-23N, 127-19E United States Jalao
Navy Carrier-Based Aircraft
Sunk
Nov 14 1944 YUTAKA MARU Cargo 2,704 12-40N, 120-40E United States Guavina
Navy Carrier-Based Aircraft
Sunk
Dec 6 1944 YASUKUNI MARU Cargo 5,794 18-51N, 121-07E United States Segundo
Navy Carrier-Based Aircraft
Sunk
Jan 3 1945 SHINSHU MARU Converted Water Carrier 8,170 21-57N, 119-44E United States Aspro
Navy Carrier-Based Aircraft
Sunk
United States Submarines and Land-Based Aircraft
Feb 19 1943 HIBARI MARU Cargo 6,550 6-45S, 155-50E United States Gato
Navy Land-Based Aircraft
Sunk
May 22 1944 TSUKUBA MARU Cargo 3,172 21-20N, 117-10E United States Picuda
Army Aircraft
Sunk
Jan 31 1945 TAIETSU MARU Cargo 6,890 14-55N, 109-01E United States Boarfish
Army Aircraft
Sunk
Mar 17 1945 IKOMASAN MARU Passenger-Cargo 3,173 26-08N, 119-56E United States Spot
Navy Land-Based Aircraft
Sunk

--57--

[END]

Published: Tue Oct 10 14:21:34 EDT 2017