SSN-773 USS Cheyenne

Namesake. City of Cheyenne
Awarded. 28 Nov 1989
Builder. Newport News Shipbuilding and Drydock Company
Laid down. 6 Jul 1992
Launched. 16 Apr 1995
Sponsored by. Mrs. Ann Simpson, wife of Wyoming Senator Alan K. Simpson
Christened. 1 Apr 1995
Commissioned. 13 Sep 1996
Class and type. Los Angeles-class submarine
Displacement:
6,000 long tons (6,096 t) light6,927 long tons (7,038 t) full
927 long tons (942 t) dead
Length. 110.3 m (361 ft 11 in)
Beam. 10 m (32 ft 10 in)
Draft. 9.4 m (30 ft 10 in)
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)
Speed. 25 knots (46 km/h; 29 mph)+
Test depth. 800 ft (244 m)+
Complement. 12 officers, 98 men
Armament:
4 × 21 in (533 mm) torpedo tubes
12 × vertical launch Tomahawk missiles