SSN-770 USS Tucson

Namesake. City of Tucson
Operator. United States Navy
Ordered. 10 Jun 1988
Awarded. 16 Sep 1989
Builder. Newport News Shipbuilding and Dry Dock Company
Laid down. 15 Aug 1991
Launched. 20 Mar 1994
Sponsored by. Mrs. Diane C. Kent
Commissioned. 18 Aug 1995 postponed to (9 Sep 1995)
Class and type. Los Angeles-class submarine
Displacement. 6,000 tons light, 6,927 tons full, 927 tons dead
Length. 362 ft (110 m)
Beam. 33 ft (10 m)
Draft. 31 ft (9.4 m)
Propulsion:
1 × S6G PWR nuclear reactor with D2W core (165 MW), HEU 93.5%
2 × steam turbines (33,500) shp
1 × shaft
1 × secondary propulsion motor 325 hp (242 kW)
Test depth. 470–500 m (1,542–1,640 ft)
Complement. 12 officers, 98 enlisted
Armament:
4 × 21 in (533 mm) torpedo tubes
12 × vertical launch Tomahawk missiles