USS Grayling (SSN-646)
Submarine
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USS Grayling (SSN-646), a Sturgeon-class attack submarine, was the fifth ship of the United States Navy to be named for the grayling. Her keel was laid down in 1964, and she was launched just over three years later, and commissioned in 1969. Wikipedia
Launched: June 22, 1967
Construction started: May 12, 1964
Length: 289′
Beam: 32′
Propulsion: One S5W nuclear reactor, two steam turbines, one screw
Commissioned: 11 October 1969
Test depth: 1,300 ft (400 m)