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History of United States Naval Operations: Korea

by James A. Field, Jr.

DEPARTMENT OF THE NAVY -- NAVAL HISTORICAL CENTER
805 KIDDER BREESE SE -- WASHINGTON NAVY YARD
WASHINGTON DC 20374-5060

Korean Service battle streamer

Contents
Introduction

Foreword
Preface
List of Maps
List of Tables

Chapters:

  1. To Korea by Sea
  2. Policy and its Instruments
  3. War Begins
  4. Help on the Way
  5. Into the Perimeter
  6. Holding the Line
  7. Back to the Parallel
  8. On to the Border
  9. Retreat to the South
  10. The Second Six Months
  11. Problems of a Policeman
  12. Two More Years

A Note on Source Material

Glossary of Naval Abbreviations

   

Chapter 9: Retreat to the South


Part 4. 11 December–24 December: The Evacuation of Hungnam

          By 11 December, when the Marines reached Hungnam, amphibious and MSTS shipping had begun to arrive. Having off-loaded at Pusan following his evacuation of Chinnampo, Captain Kelly had been ordered back to Inchon; no sooner had he reached that port than new orders flowing from new decisions directed him to Hungnam, where he arrived on the 11th to take charge of the movement of the Marine Division. By the 14th the Marines had loaded in one APA, one AKA, 3 APs, 13 LSTs, 3 LSDs, and 7 time-chartered merchant ships, and next morning Kelly sailed his convoy for Pusan. As soon as the Marines were clear the loading of the 7th Division was begun, to continue through the following week.

          While these evolutions were in progress Admiral Doyle and his staff found themselves faced with a requirement for a small amphibious landing. In order to block the east coast route General Almond had requested that the ROK I Corps be put ashore in the area of Samchok, 40 miles below the parallel, where Juneau had carried out the first bombardment of the war. The undertaking was accepted, and on the basis of corps’ estimates shipping was assigned to lift 12,000 men and a few trucks, an allocation which in the end had to be more than doubled as 25,000 ROKs and 700 vehicles turned up. Preparation for the operation involved intelligence studies and photo reconnaissance; the port of Mukho, just north of Samchok, where breakwaters enclose a small harbor area, was selected as the landing site. Between 15 and 18 December Captain Spofford’s ships swept and buoyed a channel in from the 100-fathom curve, and on the 16th the operation was turned over to Captain Jarrell, who had by now returned from Pusan. In addition to Henrico, one APA, one AKA, three chartered merchantmen, and two LSTs were included in the movement group, while reports of Chinese penetrations south of the parallel brought the assignment of the DMS Endicott and the destroyer Forrest Royal for fire support. At noon of the 17th Captain Jarrell sailed for Mukho, the landing was uneventful, and this important position was quickly secured. By the 20th the destroyers were back on station at Hungnam.

          There loading had continued day and night, hindered only by the vagaries of nature. Bad weather inland on the 16th, which limited fast carrier offensive sorties to a mere 41, reached Hungnam on the following day; the temperature dropped below freezing and the sea worked up. As westerly winds reached 40 knots, four LCMs went adrift and were blown out into the minefields, and from 1700 until after midnight small boat traffic had to be halted. This was the worst day, but throughout the operation the continuing cold created probems for materiel and personnel alike: working around the clock and exposed to cold, spray, and wind, many of the coxswains had to be carried aboard their ships after returning from long trips.

          It was the hope both of those ashore and of those afloat to get everything out; not just personnel and loaded vehicles, but everything, and they very nearly did. To deprive the enemy of salvage possibilities even broken-down vehicles were outloaded, a lift of inoperative machinery which in the end filled four Liberty ships. In the bulk categories of POL and ammunition Colonel Forney found his responsibilities steadily increasing: an original count of 5,000 drums of POL ended up in the outloading of 29,500 drums, with 200 left behind; almost 9,000 tons of ammunition was taken out, and of the1,000 tons remaining, half was frozen dynamite too dangerous to handle. Ultimately, in any event, these left-over commodities were put to use in the final demolition of the port.

          On water as on land, salvage problems presented themselves. Considering the amount of traffic at this small port, at all hours and in all weathers, mishaps were extraordinarily few, but three which did occur well illustrate the importance of the salvage organization. Standing out of harbor late on the night of 10 December the Enid Victory, a chartered MSTS vessel, cut the eastern point too close and ran aground. Here the one-foot tide of the Sea of Japan, otherwise so agreeable, proved disadvantageous, but by next afternoon the ARL Askari, the fleet tug Tawakoni, and two harbor tugs managed to get her off, and she continued to Pusan. A more intractable proposition had been presented a few days earlier when Senzan Maru, a Japanese time-charter laden with 50,000 bags of flour, missed the entrance channel in the morning darkness and hit a mine. Damage was serious, but although flooded forward, eight feet down by the head, and with only two feet of freeboard remaining, she made it in, whereupon divers from Askari investigated the damage and the ship doctors prescribed. The flour paste was jettisoned from the forward hold and the rest of the cargo shifted, bulkheads were shored up and flotation provided by filling the hold with empty oil drums, and after ten days work Senzan Maru was sailed in company for Moji where she arrived safely.

          Last and most difficult of these problems was that presented by a Korean LST, which fouled a shaft with manila line and was unable to retract from the beach. The snarl was cleared and repairs to the main engines were provided by personnel from the rescue ship Conserver, after which the LST docked again and on her second attempt to get underway fouled both shafts. By this time her troubles were snowballing: more engine repairs were needed and the gyrocompass had broken down; there were eight turns of 1 1/8-inch wire around the port shaft and many of 8-inch manila around the starboard one; a food and water shortage had developed, which was the more serious in view of a reported 7,400 refugees on board. Despite difficulties from the cold, the port shaft was freed by divers from Conserver; Askari contributed 26,000 gallons of water; 1,500 loaves of bread and a quantity of cooked rice were procured from other ships in harbor, and eight tons of food from Army sources ashore. There was no time to do more, and on 19 December the invalid was sailed for Samchok, accompanied by Diachenko and another Korean LST, both rigged for towing. She got there.

          As in all overseas operations, but more visibly than in most, the key problem at Hungnam was the availability of shipping. Here the time of turnaround was crucial. At Pusan, where scant notice had been received of the impending arrivals, unloading capacity proved for a time unable to match the rate of outloading in the north, and the resulting congestion brought diversions to Japan, where progress was even more leisurely. In this situation, and as reports from Eighth Army indicated that evacuation of Inchon might become necessary before Hungnam was cleared, Admiral Joy twice found himself obliged to call upon CincFE to prevent ships being sent east of Moji for unloading, to order port authorities to work ships 24 hours a day, and to have idle shipping in Japan emptied to provide reserve.

          There was also, as in any amphibious operation, the special problem of the availability of LSTs. These for a time were scarce. Counting Scajap and Korean vessels, a total of about 40 ultimately became available, but some were slow in arriving, 13 had sailed with the Marine Division, and 2 more had been committed to the ROK lift to Mukho. Bad weather and congestion at Pusan had delayed the return of those which had lifted the Marines, and the resultant shortage had slowed the outloading of engineer troops and gear. But by the 18th they were beginning to arrive again, within two days a score had been loaded and sailed, and again the problem of availability arose. With an estimated 22 needed to lift the last elements from the beachhead, and on the basis of an assumed five-day turnaround between Hungnam and Pusan, Forney began stockpiling LSTs on the evening of the 20th. By this time the port of Pusan was operating in high gear, unloading was also in progress at Masan and Ulsan, and Liberty and Victory ships as well as LSTs were being emptied in time for a second run. In the end enough LSTs became available, and indeed there were a couple to spare.

View of Blue Beach covered with oil drums, LST in background LST with oil drums. Looking northeast from Blue Beach across the inner harbor; harbor entrance control frigate in the right distance, 14 December 1950 (Photo 80-G-423913).

Click on the image for additional information and related photographs.

          In the air the defenses of Hungnam grew steadily stronger. Through the period of concentration and outloading, the Marine squadrons were conducting a complicated series of redeployments and more carriers were mustering offshore, with the remarkable result that air strength in the Hungnam area, far from diminishing as the evacuation progressed, actually increased. On 1 December the three fighter squadrons at Wonsan had moved up to Yonpo. On the 3rd the Air Force fighter-bombers left for the south, and next day one of the Corsair squadrons was flown out to Itami for embarkation on the light carrier Bataan, but these deficits were more than made up by the arrival of Princeton on the 5th. On the 6th Sicily reached Hungnam, loaded the personnel and gear of VMF 214 in an all-night evolution, and took the planes aboard in the course of the next day’s operations. On 10 December the Yonpo air garrison was reinforced by a squadron of Marine Panther jets, which had come out along with Air Force fighters in the escort carrier Bairoko, and which operated from the shore strip until the 13th, when they were flown south to Pusan. After unloading her cargo of Air Force fighters at Yokosuka, Bataan proceeded to Kobe, embarked VMF 212, and sailed for the Sea of Japan where she joined Task Force 77 on the 16th.

          On the 14th the three Marine squadrons still at Yonpo were flown to Itami. Following this departure CTF 90 relieved the Marine Aircraft Wing of air control within a 35-mile radius of Hungnam, and General Harris's headquarters moved aboard an LST, to assume on the 17th the duties of standby Tactical Air Direction Center. On 22 December Valley Forge arrived from the United States and the evolution was complete.

Table 14.—HUNGNAM AIR DEPLOYMENT
U.N. SQUADRONS ON HAND

F9F At Yonpo
F4U
F7FN F9F Embarked 
F4U
AD Total 
1 December   0 3 2 3 5 2 151
10 December  1 1 2 4 9 3 20
16 December  0 0 0 4 10 3 17
23 December  0 0 0 4 14 4 22

1 Plus 35th Fighter-Bomber Group (2 USAF, 1 RAAF F-51 squadrons).

          The virtues of the movable floating air base and of carrier training for Marine pilots had again been demonstrated. Where embarked aviation had at first been limited to two fast carriers and one escort carrier, much more was now on hand, and the total of Navy and Marine squadrons operating in the X Corps area had risen from 15 on 1 December to 22 as the evacuation was ending. For a brief moment Task Force 77 reached a peak strength of 4 attack carriers, one battleship, 2 cruisers, and 22 destroyers, and except for snow on deck and ice on the forecastle it began to look like old times.

          Throughout the period of embarkation carrier air operations continued. Over Hungnam the jet combat air patrol was maintained, but with gaps: owing to the limited endurance of the F9F and the spacing of task force launching times it proved impossible to relieve patrols on station. For the rest, the focus of air operations narrowed steadily from the northern hills to the embarkation area. In mid-December, as outloading was begun, attacks were being flown against troops and horses along the reservoir road, abandoned equipment in the Songjin area, and targets near the Fusen Reservoir. A tunnel on the narrow gauge railroad leading up to Hagaru was hit with 11-inch Tiny Tim rockets; to the westward armed reconnaissance flights struck at enemy troops moving south across the Wonsan-Pyongyang road. Ten days later, as the date of final departure approached and with a perimeter which covered only the city of Hungnam, the situation was very different. Although lacking in armor and artillery, enemy troops had reached the suburbs in sizable numbers; and while perhaps a third of the sorties were still employed upcountry, the greater part was used within the 35-mile circle. Troop movements on the roads approaching the town were hit; fuel drums and a rocket dump, overlooked in the sweeping-up process, were attacked and destroyed; an enemy command post in Hamhung and buildings on the western edge of Hungnam were bombed. And by this time the guns of the fire support ships had come into play.

          Admiral Hillenkoetter began shooting on the night of the 15th, as Saint Paul commenced 8-inch call fire for deep support and for interdiction of enemy movements. On the 17th Rochester took the 8-inch duty, and nightly thereafter cruisers and destroyers delivered prearranged harassing and illumination fire, while responding to requests from ashore by day. To supplement the flat-trajectory fire of the cruisers and destroyers, and to put plunging fire on reverse slopes, the three rocket ships had been maintained on station; on the 21st they let go their first barrage against a reported troop concentration in the hills along the eastern flank.

          Gunfire support more than met all tests, although these, it should be said, were not severe. There was some difficulty with control arrangements resulting from an unfortunate choice of radio channels, and from intervention by X Corps in the assignment of missions to specific ships. The success of the departing artillery battalions in using up the local ammunition oversupply had imbued commanders ashore with large ideas; the resultant pressures led to an extravagant volume of fire, and this in turn, given the limited capacity of ships’ magazines, to a replenishment problem. But the needs were met by the Logistic Support Group, which kept an AKA and an LST loaded with ammunition on station in Hungnam harbor, with delivery to the firing ships accomplished by off-loading into the AKL Ryer, one of the small cargo vessels which MSTS had inherited from the Army. By these expedients the impressive total of 18,637 rounds of 5-inch and 2,932 of 8-inch was fired during the evacuation phase, an increase respectively of about 70 and 27 percent over expenditures in the Inchon landing. The investment was perhaps excessive, in view of the paucity of targets, but it was written off as a contribution to troop morale.

          By now the perimeter had diminished to a radius of about 5,000 yards from the center of town, outposted for another thousand yards, and the evacuation was entering its final stage. On 18 December Captain Kelly returned from the south, and was placed in charge of the shore-to-ship movement of the remaining corps and 3rd Division troops. Early on the afternoon of the 19th Major General Robert H. Soule, USA, commander of the 3rd Division, took charge of the ground defenses; General Almond and his staff moved aboard Mount McKinley; and responsibility for the defense of Hungnam passed to Admiral Doyle. Next day the 7th Division completed embarkation, and at first light on the 21st was sailed to the southward. On shore there remained three RCTs with their tanks, six battalions of artillery, and three antiaircraft battalions. Loading of corps and division troops was being pressed; the tempo of naval gunfire was going up as artillery began to be withdrawn; and D-Day had been tentatively set for the 24th.

          One aspect of the operation which had by now developed wholly unanticipated proportions was the problem of the Korean refugees. In a sense this problem was not new. In July, as the North Korean armies pressed southward, the countless civilians fleeing before them had created grave difficulties for the U.N. forces. In late October the combination of ROK and Marine forces at Kojo, and of Communist units in the hills, had produced a similar if smaller phenomenon, as thousands of Koreans had descended from the hinterland upon the port. With the intervention of the Chinese and the reverses of the U.N. the spectacle of displaced masses of humanity again developed.

          In the first week of December thousands of North Koreans, fleeing the Chinese armies, had sailed from Chinnampo. At Wonsan, where Captain Jarrell had arranged a screening of civilians so that those whose lives would be endangered by the Communists could be removed, an anticipated thousand refugees had multiplied beyond belief. With 7,000 aboard, and with the ships filled to capacity, the transport crews had been confronted with the tragic sight of another 20,000 trying to break through the barbed wire barriers, and had concluded that about twice the population of Wonsan had gathered there in the hope of escape. At Hungnam it was still worse.

Refugees on Green Beach Refugees on Green Beach: The bullock cart stops at tidewater and the LST takes over. In the background a merchant shop alongside Dock 4, 19 December 1950 (Photo #80-G-424096).

Click on the image for additional information and related photographs.

          For the inhabitants of North Korea the miseries of war had been compounded by the arrival of an alien army from across the Yalu. Villagers on the Chosin plateau, their houses taken over by the Chinese, had requested the Marines to call down air strikes upon the invader; their wishes had been granted them, and their villages had been burned from the air. Thus twice dispossessed, and preferring the invader from overseas to the invader from the north, the tide of humanity flowed southward toward Hungnam. As the Marines moved down from Hagaru the thousands of civilians followed, huddling outside the perimeter by night and moving onward when the march resumed, presenting both tragic spectacle and military menace.

          At Hungnam an original estimate of 25,000 refugees requiring evacuation had quickly to be abandoned. Early in the operation Colonel Forney found himself with 50,000 in hastily constructed camps and more pouring in; at Hamhung more than 50,000 had attempted to board the last refugee train for Hungnam. In the light of these numbers the few vessels furnished by the Republic of Korea were wholly inadequate, and other shipping had to be committed at an early date. The exodus involved an incredible packing of humanity: LST loads were never less than 5,000, and in one case reached 10,500; a total of about 14,000 was taken out in the chartered Meredith Victory. On the 23rd, as preparations to close down were being completed, a temporary surplus of shipping developed, and Forney brought in three Victory ships and two LSTs on which he loaded 50,000 Koreans. In the end the record showed 91,000 taken out, not counting children in arms, in knapsacks, or in utero. If this was a remarkable accomplishment no one congratulated himself overmuch, for, as the report concludes, "at least that number had to be left behind for lack of shipping space, and riot among these was only prevented by subterfuge."

          Heavy Chinese pressure had been expected from about the 20th, but although from time to time night probing attacks were reported, the perimeter remained generally quiet to the last. With loading ahead of schedule, and with sufficient shipping on hand, 4,000 tons of ammunition and 13 boxcars were added to the scheduled lift. On the 22nd the 3rd Division began loading everything but the infantry and artillery, while excess transport from these units was put on board during that day and the next. As zero hour approached, air support was increased, and the offensive sorties from Task Force 77 went up from 105 on the 21st to 161 on the 23rd. General Almond had repeatedly suggested bringing in Missouri from Task Force 77, and Struble had planned to do so for the final phase. So in she came on the 23rd, as the last battalion of corps artillery was being taken off. That night naval gunfire increased by a factor of three.

          The 24th of December dawned clear, and by 0800 all was in readiness. To lift the remaining 9,720 personnel, LVTs had been put up on the flanking beaches, and seven LSTs along the Hungnam waterfront. During the morning the gunfire ships maintained a zone barrage covering a mile-wide area outside the 3,000-yard perimeter. At 1100, as the troops began to pull back, embarkation was begun. Everything went as planned. The enemy made no appearance. The only difficulties were caused by an accidental explosion of an ammunition dump, which destroyed some landing craft and resulted in a number of casualties. By 1405 all beaches were secured. At 1410 Admiral Doyle ordered the UDT personnel to blow the place, demolition charges were set off, and the piers, cranes, and walls of the inner harbor disappeared in an eruption of smoke and flame.

          By 1436 all hands were off and Captain Kelly was preparing to sortie the amphibious shipping. Overhead in the cold sky there orbited the last combat air patrol from the fast carrier task force. Along the docks the explosions had stopped, but fire was licking at the ruins, and from the harbor of Hungnam, briefly one of the world’s busiest ports, a column of smoke rose high into the air. Three miles inland, as the gunfire ships were getting underway, some Chinese troops were observed coming over a hill, and a few Parthian salvos were let go at these individuals, who by their temerity thus achieved the distinction of receiving the last rounds of the campaign.

          The statistics of the evacuation are worth noting: 105,000 U.S. and Korean military personnel, 91,000 refugees, 350,000 measurement tons of cargo, 17,500 vehicles. The available shipping had proved sufficient, although most vessels had to make two trips, some made more, and the loads involved totalled 6 APAs, 6 AKAs, 13 T—APs, 76 MSTS time-charters, 81 LSTs, and 11 LSDs. As for comparisons with other operations, none seems very fruitful. Dunkirk comes first to mind, but circumstances there were very different: 338,000 troops were taken out, but many remained behind, hardly any equipment was saved, and the ships involved suffered grievously from air attack. But such questions concerning the degree of enemy opposition and the size of the lift tend to obscure the central point, that freedom to come and go depends upon control of the sea. The Athenians at Syracuse, Cornwallis at Yorktown, the Axis forces in North Africa lacked this control. In those armies no one escaped captivity.

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6 July 2001