Facsimile of cover.

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

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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

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