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USS Helena (SSN-725)
USS Helena SSN-725
Career Flag of the United States.svg
Name: USS Helena
Namesake: The City of Helena, Montana
Awarded: 19 April 1982
Builder: General Dynamics Electric Boat
Laid down: 28 March 1985
Launched: 28 June 1986
Commissioned: 11 July 1987
Homeport: Norfolk, Virginia
Status: in active service, as of 2020
Badge: USS Helena SSN-725 Crest
General characteristics
Class & type: Los Angeles-class submarine
Displacement: 5,808 long tons (5,901 t) light
6,203 long tons (6,303 t) full
395 long tons (401 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: S6G nuclear reactor
Complement: 12 officers; 98 enlisted
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 Helena (SSN-725), a Los Angeles-class submarine, was the fourth ship of the United States Navy to be named for Helena, Montana. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 19 April 1982 and her keel was laid down on 28 March 1985. She was launched on 28 June 1986 sponsored by Mrs. Jean Busey, and commissioned on 11 July 1987, with Commander Thomas Moore in command.

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This article includes information collected from the public domain sources Dictionary of American Naval Fighting Ships and Naval Vessel Register.


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