The USS Drum Submarine was Launched on May 12, 1941. It was completed right before World War II and was the first Gato class submarine. It would set the basic design for the American fleet submarines. It was also first Drum Submarine to enter into WWII arriving at Pearl Harbor on 1 April 1942. USS Drum Submarine earned 12 battle stars and sank 15 Japanese battle ships.
source: Wiki
