east-northeast of Morotai at on 3 October 1944 when a U.S. Navy TBF Avenger torpedo bomber from the escort carrier mistakenly attacked her. As she crash-dived to a depth of , she heard a loud thud as she passed , followed by an explosion after she reached , prompting her to dive to . She later learned that the thud probably was the sound of the TBF crashing while delivering the attack, killing the pilot, and that the explosion probably was the detonation of one of the TBF's depth charges as it sank. On 11 January 1945, Stingray put to sea on her sixteenth and final war patrol. Four special missions in the Celebes area were carried out during this patrol. Landing parties were put ashore on Nipanipa Peninsula, Celebes; Kagean Island; Pare Pare Bay, Celebes; and another at Nipanipa Peninsula. She returned to Fremantle, Western Australia, on 23 February and then headed back to the United States arriving at New London, Connecticut, on 29 April. She operated there until decommissioned at the Philadelphia Navy Yard on 17 October 1945. She was stricken from the Naval Vessel Register on 3 July 1946 and sold for scrap the following year. Two of Stingray General Motors Model 248 engines went to the in Cleveland, Ohio. The two V16 1,600 HP diesel engines were originally built in Cleveland, Ohio, the last in 1943, out of the General Motors Cleveland Diesel Plant. The engines were used for parts for the restoration of Cod engines. Honors and awards Asiatic-Pacific Campaign Medal with 12 battle stars for World War II service Stingray holds the record for the most war patrols — sixteen — by any American submarine. References Citations Bibliography Hinman, Charles R., and Douglas E. Campbell. The Submarine Has No Friends: Friendly Fire Incidents Involving U.S. Submarines During World War II. Syneca Research Group, Inc., 2019. . Salmon-class submarines World War II submarines of the United States Ships built in Kittery, Maine 1937 ships Maritime incidents in August 1943 Maritime incidents in October 1944 Friendly fire incidents of World War II