take on fuel. As Flying Fish proceeded to her patrol area on 9 August 1944, the U.S. Navy destroyer depth-charged her after she submerged to a depth of as Cogswell approached and did not respond to Cogswells sonar recognition signals. Cogswell set her depth charges to explode at and halted her attack after Flying Fish responded to the recognition signals. Flying Fish suffered no damage. Flying Fish arrived in her patrol area off Manado, Celebes, on 14 August 1944 Flying Fish was held down much of the time by Japanese aircraft. After refueling at Mios Woendi from 29 August to 1 September1944, she closed Celebes, where on 7 September she detected a concealed Japanese airstrip. Her report led to the airfield's bombardment by Allied aircraft 11 days later. Through the remainder of her patrol she served on lifeguard duty for air strikes on Celebes. She concluded her patrol with her arrival at Midway on 18 October 1944. October 1944–May 1945 Flying Fish departed Midway and proceeded to San Francisco, California, where she was equipped with naval mine detection and clearance equipment to enable her to penetrate the Sea of Japan. After testing her new gear she proceeded to Guam, which she reached on 18 May 1945. Twelfth war patrol, May – July 1945 At Guam, Flying Fish joined a submarine task group for her 12th war patrol. She departed on 29 May 1945 for the heavily mined Tsushima Strait, entering the Sea of Japan 7 June. Then each of the task group's submarines headed for her own assigned area, Flying Fish setting course north for the coast of Korea. On 10–11 June, in separate attacks, she sank two cargo ships, Taga Maru (2,220 tons) on the 10th and Meisei Maru (3,095 tons) on the 11th, taking aboard one survivor. Five days later she sank ten small craft with gunfire and forced two others to beach themselves. She completed her patrol at Pearl Harbor on 4 July 1945. Hostilites with Japan ended on 15 August 1945. Post-World War II service Flying Fish returned to Naval Submarine Base New London on 21 September 1945 to become flagship of Commander, Submarine Force, United States Atlantic Fleet (COMSUBLANT). During the next eight years, from her base at New London, Flying Fish conducted United States Naval Reserve training cruises in Long Island Sound and Block Island Sound, exercised off the Virginia Capes, trained men of