The USS Flasher (SS-249) was a Gato-class submarine of the United States Navy, commissioned during World War II. Launched on March 31, 1944, she was designed for anti-submarine warfare and reconnaissance missions in the Pacific Theater. The submarine was equipped with advanced sonar and torpedoes, allowing her to engage enemy vessels effectively. Throughout her service, the USS Flasher completed several successful patrols, sinking multiple enemy ships. After the war, she was decommissioned in 1946 and later scrapped in 1971. The submarine is remembered for her contributions to the U.S. Navy and the overall success of the Allied forces during the conflict.