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DEPARTMENT OF THE NAVY -- NAVAL HISTORICAL CENTER
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Sea Cat

 

A shortened form of sea catfish, a marine fish of little food value found off the southeastern coast of the United States.

 

(SS-399: dp. 1,526; l. 311'6"; b. 27'3"; dr. 15'3"; s. 20.25 k. (surf.), 8.75 k. (subm.) ; cpl. 66; a. 1 5", 1 40mm., 1 20mm., 2 .50 cal. mg., 10 21" tt; cl. Balao)

 

Sea Cat (SS-399) was laid down on 30 October 1943 by the Portsmouth (N.H.) Navy Yard; launched on 21 February 1944; sponsored by Mrs. E. L. Cochrane; and commissioned on 16 May 1944, Comdr. R. B. McGregor in command.

 

After shakedown and trials off the New England coast, the new submarine departed New London, Conn., on 28 August and proceeded via the Panama Canal to Hawaii. Following training in Hawaiian waters, Sea Cat departed Pearl Harbor on 28 October and headed, via Midway and Saipan, for the South China Sea where she operated in a wolf pack which also included Pampanito (SS-383), Pipefish (SS-388), and Sea Raven (SS-196). During the war patrol, Sea Cat fired torpedoes at two Japanese merchantmen which, together, displaced about 15,000 tons. Her commanding officer thought that they had both been sunk, but a postwar study of Japanese records did not confirm either sinking. After 61 days at sea, including 37 days in her patrol area, Sea Cat arrived at Guam for refit.

 

The submarine got underway again on 1 February 1945 for her second war patrol which she conducted in the East China Sea in a wolf pack which included Segundo (SS-398) and Razorback (SS-394). During operations off the coast of Kyushu, she damaged a 300-ton cargo ship by gunfire and attacked a 2,000-ton ship with torpedoes. Although she reported sinking the latter, Japanese records do not seem to support the claim. Sea Cat completed the patrol upon arriving at Midway on 24 March.

 

On 27 April, the submarine sailed for the Yellow Sea where she and six other submarines preyed upon Japanese shipping. Sea Cat, herself, accounted for some 400 tons of enemy vessels by gunfire, and she picked up two survivors of the sunken enemy shins for questioning before returning to Pearl Harbor on 25 June.

 

She headed toward the Kurils on 6 August for her fourth war patrol; but, upon arrival in her patrol area, learned that hostilities had ceased. She was ordered to proceed to the Japanese home islands and was in Tokyo Bay during the formal surrender ceremony on 2 September. She then sailed for the Marianas and reached Guam on the 7th. Following a brief stay at Apra Harbor, the submarine headed home. Following operations in the San Diego area into the spring of 1946, the ship proceeded to San Francisco Bay and arrived at Mare Island on 15 April 1946 for overhaul.

 

Yard work completed on 26 July, Sea Cat sailed back to San Diego, whence she departed on 12 August for her first simulated war patrol. On this cruise she visited Hawaii; Canton Island; Swains, Samoa, and Atafu Island; Tsingtao, and Shanghai.

 

Then, transferred to the Atlantic Fleet, the submarine arrived at Balboa, Canal Zone, on 12 January 1947. After two and one-half years of exercises out of Balboa, her home port was changed to Key West in June 1949. In the autumn, it was decided to have a number of experimental changes made to the ship during her forthcoming overhaul, and she was redesignated AGSS-399 on 30 September. On 7 November, she arrived at the Philadelphia Naval Shipyard where the work was done. The modifications and repairs were completed on 11 March 1950, and the submarine returned, via New London, to Key West. She operated from that base until she got under way on 9 January 1952 for Philadelphia and another overhaul. After her arrival on the 15th, she was converted to a fleet-type snorkel submarine and redesignated SSó399.

 

Overhaul and conversion completed. Sea Cat departed Philadelphia on 26 June 1952 and returned to Key West.

 

She operated from that base for the remainder of her career, spending most of her time in the Caribbean, the Gulf of Mexico, and in waters off the southern coast of the United States. In July 1966, she interrupted her customary routine by crossing the Atlantic for a four-month deployment with the 6th Fleet in the Mediterranean.

 

Upon returning to Key West on 30 October, the submarine resumed her former routine and operated in Florida waters and the Caribbean until she was decommissioned on 2 December 1968 and struck from the Navy list on the same day.

 

Sea Cat earned three battle stars for her World War II service.