USS Ohio (SSGN-726)

USS Ohio (SSGN-726)

USS Ohio SSGN conversion (2004)
History
United States
Namesake	State of Ohio
Ordered	1 July 1974
Builder	General Dynamics Electric Boat
Laid down	10 April 1976
Launched	7 April 1979
Commissioned	11 November 1981
Homeport	Bangor, Washington
Motto	Always first
Nickname(s)	First and Finest!
Status	in active service
Badge
General characteristics
Class and type	Ohio class SSGN
Displacement	16,764 metric tons (16,499 long tons) surfaced[1][2][failed verification] 18,750 metric tons (18,450 long tons) submerged[1]
Length	560 ft (170 m)[1]
Beam	42 ft (13 m)[1]
Propulsion	1 × S8G PWR nuclear reactor[3] (HEU 93.5%[4][5]) 2 × geared turbines[3] 1 × 325 hp (242 kW) auxiliary motor 1 × shaft @ 60,000 shp (45,000 kW)[3]
Speed	12 knots (14 mph; 22 km/h) surfaced[1] +20 knots (23 mph; 37 km/h) submerged (official)[1] 25 knots (29 mph; 46 km/h) submerged (reported)[1]
Range	unlimited
Endurance	approximately 60 days with food supplies
Test depth	+800 ft (240 m)
Crew	15 officers[1][2] 140 enlisted[1][2]
Sensors and processing systems	BQQ-6 Bow mounted sonar[1] BQR-19 Navigation[1] BQS-13 Active sonar[1] TB-16 towed array[1]
Armament	4 × 21 inch (533 mm) bow torpedo tubes. as SSBN: 24 × Trident II C4 SLBM, each with up to 8 MIRVed W76 nuclear warheads SSGN conversion: 22 tubes, each with 7 Tomahawk cruise missiles

USS Ohio (SSBN-726/SSGN-726), the lead boat of her class of nuclear-powered fleet ballistic missile submarines (SSBN), is the fourth vessel of the United States Navy to be named for the U.S. state of Ohio. She was commissioned with the hull designation of SSBN-726, and with her conversion to a guided missile submarine she was re-designated SSGN-726.