USS Swordfish

USS Swordfish (SS-193), a Sargo-class submarine, was the first submarine of the United States Navy named for the swordfish, a large fish with a long, swordlike beak and a high dorsal fin. She was the first American submarine to sink a Japanese ship during World War II. Construction and commissioning Swordfish′s keel was laid down on 27 October 1937 by the Mare Island Navy Yard at Vallejo, California. She was launched on 3 April 1939 sponsored by Miss Louise Shaw Hepburn, and commissioned on 22 July 1939 with Lieutenant (later Rear Admiral) Chester C. Smith in command. Operational history