California, Raton headed west for Pearl Harbor, HAwaii, for refresher training. She departed for the Yellow Sea on 20 April 1945 to begin her seventh war patrol. On 2 May 1945, she blew up a loaded Japanese tanker, Toryu Maru, in a night torpedo attack off China′ Shantung Peninsula despite gunfire from two Japanese escorts. That same day, Raton sank a medium-sized Japanese cargo ship, Rezikan Maru, in a submerged torpedo approach. On 16 May 1945, she made a submerged attack on two Japanese transports, sinking the larger one, Eiju Maru. Raton concluded the patrol with her arrival at Guam on 25 May 1945 for upkeep alongside the submarine tender . Raton departed Guam on 22 June 1945 for her final patrol of World War II, tasked with lifeguard duty off Hong Kong. No Allied planes went down in the area, and she made no contact with Japanese forces. Arriving at Subic Bay in the Philippines on 23 July 1945 for upkeep, Raton was preparing for her next patrol when the war ended on 15 August 1945. Post-World War II service, 1946–1948 1945–1949 On 31 August 1945. Raton departed the Philippines for the United States, arriving at San Francisco in mid-September 1945. Following overhaul at Mare Island Navy Yard, Raton transited the Panama Canal, and arrived Naval Submarine Base New London in New London, Connecticut, on 12 March 1946, where she was assigned to the United States Second Fleet. As the Cold War began, she spent the next 2½ years in training exercises in the North Atlantic Ocean and the Caribbean Sea. After being placed in reserve in the fall of 1948, Raton was decommissioned at Atlantic Reserve Fleet, New London on 11 March 1949. Radar picket submarine (SSR-270), 1953–1959 Raton remained in the Atlantic Reserve Fleet at New London until July 1952, when she was towed to the Philadelphia Naval Shipyard in Philadelphia, Pennsylvania, for conversion to a radar picket submarine. Accordingly redesignated SSR-270 on 18 July 1952, she was recommissioned on 21 September 1953, Commander J. K. Wills in command. Departing Philadelphia on 8 December 1953, Raton underwent training for several months in the Norfolk, Virginia, area, operating from Naval Station Norfolk. Ordered to the Pacific, she arrived at San Diego, California, on 7 March 1954 via the Panama Canal. Raton spent the next year in local operations before departing San Diego on 11 May 1955 for a