USS Columbus (SSN-762)

Columbus performing an Emergency main ballast tank blow in 1998
History
United States
Name	USS Columbus
Namesake	The City of Columbus, Ohio
Awarded	21 March 1986
Builder	General Dynamics Electric Boat
Laid down	9 January 1991
Launched	1 August 1992
Sponsored by	Margaret DeMars[1]
Commissioned	24 July 1993
Homeport	Naval Station Pearl Harbor (Currently Newport News Shipbuilding for overhaul.[2])
Motto	All Seas Are Navigable[3]
Status	In active service
Badge
General characteristics
Class and type	Los Angeles-class submarine
Displacement	6,000 long tons (6,096 t) light 6,927 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%[4][5] 2 × steam turbines (33,500) shp 1 × shaft 1 × secondary propulsion motor 325 hp (242 kW)
Speed	Surfaced:20 knots (23 mph; 37 km/h) Submerged: +20 knots (23 mph; 37 km/h) (official)
Complement	12 officers, 98 men
Sensors and processing systems	BQQ-5 passive sonar, BQS-15 detecting and ranging sonar, WLR-8 fire control radar receiver, WLR-9 acoustic receiver for detection of active search sonar and acoustic homing torpedoes, BRD-7 radio direction finder
Armament	4 × 21 in (533 mm) bow tubes, 10 Mk48 ADCAP torpedo reloads, Tomahawk land attack missile block 3 SLCM range 1,700 nautical miles (3,100 km), Harpoon anti–surface ship missile range 70 nautical miles (130 km), mine laying Mk67 mobile Mk60 captor mines

USS Columbus (SSN-762) is a Los Angeles-class nuclear powered fast attack submarine and the second vessel of the United States Navy to be named for Columbus, Ohio. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut, on 21 March 1986 and her keel was laid down on 9 January 1991. She was launched on 1 August 1992 sponsored by Mrs. Margaret DeMars, wife of Admiral Bruce DeMars and commissioned on 24 July 1993.