six war patrols, Post-World War II 1945–1946 Rock participated in Navy Day celebrations at New Orleans, then proceeded to New London where she began inactivation in November 1945. She was decommissioned 1 May 1946 and was berthed as a unit of the Atlantic Reserve Fleet. Radar picket submarine (SSR-274), 1953–1959 In early 1951 Rock was towed from New London to the Philadelphia Naval Shipyard, where she was converted to a radar picket submarine by bisecting her at the forward bulkhead of the control room and inserting a section between the control room and the forward battery to house the new CIC and the majority of her new electronic equipment. Reclassified SSR-274 on 18 July 1952, Rock recommissioned at Philadelphia, Pennsylvania,on 12 October 1953. After a short period of training with Submarine Squadron 6 off the Virginia Capes, she proceeded to San Diego to join Submarine Squadron 5. On 23 July 1954, she departed San Diego for the western Pacific area and a six-month tour on the Taiwan Strait Patrol. She subsequently alternated deployments to the western Pacific with operations off the United States West Coast. She made six-month deployments to the western Pacific in 1956 and during the winter of 1958–1959. Auxiliary general submarine (AGSS-274), 1959–1969 By 31 December 1959 there no longer existed an operational requirement for a radar picket submarine in the fleet, and on that date the Air Control Center was decommissioned and Rock was redesignated an "auxiliary general submarine," AGSS-274''',. Following operations off the U.S. West Coast and another overhaul, Rock again deployed to the western Pacific in November 1961. She made subsequent six-month deployments to the western Pacific in 1963, 1965, 1966–1967, and 1968. Operating in the eastern Pacific during the first half of 1969, Rock departed San Diego 11 July and conducted operations in support of fleet training in the Hawaiian operating areas until proceeding on 16 August 1959 to the U.S. West Coast. Decommissioning and disposal On 13 September 1969, Rock'' decommissioned at Mare Island Naval Shipyard. Struck from the Navy List on the same day, she was designated for use as a target to destruction. She was sold for scrap on 17 August 1972 Awards Asiatic-Pacific Campaign Medal with four battle stars World War II Victory Medal China Service Medal National Defense Service Medal with star References Citations Bilbliography Hinman, Charles R., and Douglas E. Campbell. The Submarine Has No Friends: Friendly