Description:Submarine 550

USS COLUMBIA is the 60th submarine of the LOS ANGELES class and she is the 33rd ship of that class built by General Dynamics Electric Boat Division. She is the seventh ship of the Navy that honors the capital of South Carolina, and cities in Missouri and Illinois. Attack Submarine: Laid down, 21 April 1993, at the Electric Boat Division of General Dynamics Corp., Groton, CT.; Launched, 24 September 1994; Commissioned, USS Columbia (SSN-771), 9 October 1995. Columbia is assigned to the US Pacific Fleet and is homeported at Pearl Harbor, HI.

General Characteristics: Awarded: December 14, 1988 Keel laid: April 21, 1993 Launched and Christened: September 24, 1994 Commissioned: October 9, 1995 Builder: Electric Boat Division of General Dynamics Corporation, Groton, Conn. Propulsion system: one nuclear reactor Propellers: one Length: 360 feet (109.73 meters) Beam: 33 feet (10 meters) Draft: 32,15 feet (9.8 meters) Displacement: Surfaced: approx. 6,000 tons Submerged: approx. 6,900 tons Speed: Surfaced: approx. 15 knots Submerged: approx. 32 knots Armament: Harpoon and Tomahawk missiles from VLS-tubes, four 533 mm torpedo Tubes for Mk-48 torpedoes, ability to lay mines Cost: approx. $900 million Homeport: Pearl Harbor, HI. Crew: 13 Officers, 116 Enlisted

Combat Systems, AN/BPS-5 surface search radar, AN/BPS-15 A/16 navigation and fire control radar, TB-16D passive towed sonar arrays, TB-23 passive "thin line" towed array, AN/BQG-5D wide aperture flank array, AN/BQQ-5D/E low frequency spherical sonar array, AN/BQS-15 close range active sonar (for ice detection); MIDAS Mine and Ice Detection Avoidance System, SADS-TG active detection sonar, Type 2 attack periscope (port), Type 18 search periscope (starboard), AN/BSY-1 (primary computer); UYK-7; UYK-43; UYK-44, WLR-9 Acoustic Intercept Receiver, ESM; Propulsion System, S6G nuclear reactor one propeller at 35,000 shp. Improved Performance Machinery Program Phase I [on 688 Improved].