World War II

Cabezon departed New London, Connecticut, 19 February 1945 for Key West, Florida, where she underwent 3 weeks of training and providing services for the Fleet Sound School. She then sailed via the Panama Canal, to Pearl Harbor, arriving 15 March 1945.

From 25 May to 11 July 1945 Cabezon conducted her first war patrol in the Sea of Okhotsk, sinking a 2,631-ton Japanese cargo vessel on 19 June. She refitted at Midway until 4 August, then departed for Saipan to serve as target ship for surface force training exercises.

Post war service

From 7 September 1945 until 12 January 1946 she engaged in local operations and training in Philippine waters, based at Subic Bay.

On 6 February 1946 Cabezon arrived at San Diego, operating from that port until her base was changed to Pearl Harbor. Subsequent to her arrival there on 20 November 1946, she participated in local operations and training cruises for submariners of the Naval Reserve there and on the west coast with intervening cruises to the South Pacific, the North Pacific, and in 1947 participated in Operation Blue Nose in the Chukchi Sea. She also made two cruises to the Far East (18 March – 29 July 1950 and 21 April – 16 October 1952), the second of which included a reconnaissance patrol in the vicinity of La Perouse Strait, between Hokkaidō, Japan, and Sakhalin, U.S.S.R.

Cabezon sailed for Mare Island 21 April 1953 to start inactivation and was placed out of commission in reserve there 24 October 1953 and laid up in the Pacific Reserve Fleet. Struck from the Naval Register, 15 May 1970, she was sold for scrapping, 28 December 1971.