Below here is some reference background information that was found online for this submarine:
USS Grayling (SSN 646)
- decommissioned -
''Named after the fresh water game fish closely related to the trout, the USS GRAYLING was the fourth STURGEON - class attack submarine and the fifth ship in the Navy to bear the name. Last homeported in Charleston, SC, the GRAYLING was both decommissioned and stricken from the Navy list on July 18, 1997. She entered the Navy's Nuclear Powered Ship and Submarine Recycling Program at the Puget Sound Naval Shipyard, Bremerton, Wash., and on March 31, 1998, recycling was finished.''
General Characteristics: Awarded: September 5, 1962
Keel Laid: May 12, 1964
Launched: June 22, 1967
Commissioned: October 11, 1969
Decommissioned: July 18, 1997
Builder: Portsmouth Naval Shipyard, Portsmouth, New Hampshire
Propulsion system: one S5W2 nuclear reactor
Propellers: one
Length: 292 feet (89 meters)
Beam: 31.7 feet (9.65 meters)
Draft: 29.2 feet (8.9 meters)
Displacement: Surfaced: approx. 4,250 tons
Displacement: Submerged: approx. 4,700 tons
Speed: Surfaced: approx. 15 knots
Speed: Submerged: approx. 30 knots
Armament: four 533 mm torpedo tubes for Mk-48 torpedoes, Harpoon, Tomahawk, and SUBROC missiles, ability to lay mines
Crew: 12 Officers, 95 Enlisted