USS Guardfish (SSN-612)
Permit-class submarine
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USS Guardfish (SSN-612), a Thresher-class submarine, was the second ship of the United States Navy to be named for the guardfish, a voracious green and silvery fish with elongated pike-like body and long narrow jaws. Wikipedia
Length: 279′
Builder: New York Shipbuilding Corporation
Beam: 32′
Launched: May 15, 1965
Construction started: February 28, 1961
Test depth: 1,300 ft (400 m)