The USS Tunny (SS/SSG/APSS/LPSS-282) was a Gato-class submarine which saw service in World War II and in the Vietnam War. Tunny received nine battle stars and two Presidential Unit Citation (US)s for her World War II service and five battle stars for her operations during the Vietnam War.

Tunny was the first submarine of the United States Navy to be named for the tunny, any of several oceanic fishes resembling the mackerel, and her keel was laid down on 10 November 1941 at Vallejo, California, by the Mare Island Navy Yard. She was launched on 30 June 1942 sponsored by Mrs. Frederick G. Crisp, and commissioned on 1 September 1942 with Lieutenant Commander Elton Watters Grenfell in command.

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