OHIO Class Guided Missle Submarines Displacement: 18,750 tons submerged
Dimensions: 560 x 42 x 36.25 feet/170.7 x 12.8 x 11 meters
Propulsion: 1 S8G reactor, steam turbines, 1 shaft, 35,000 hp, 25 knots
Crew: 140 + 66 SEALs
Sonar: BQQ-5E(V)4 passive suite (bow array), TB-23 towed array
Fire Control: CCS Mk 2 combat system, Mk 98 missile control, Mk 118 torpedo control
EW: WLR-8(V)5 suite, 8 countermeasures launchers
Armament: 154 vertical launch Tomahawk missiles, 4 21 inch torpedo tubes (Mk 48 torpedoes)
Concept/Program: The first four SSBNs will be removed from strategic service starting in 2003 and will undergo a major conversion to combined guided missile/special operations submarines. Ohio has recently completed her final patrol as a ballistic missile submarine and is now awaiting SSGN conversion. The Trident missile tubes will be replaced by launchers for Tomahawk cruise missiles, and Dry Deck Shelters for SEAL equipment will be installed on deck.
Builders: General Dynamics/Electric Boat, Groton, CT. Conversions by Puget Sound NSY (first two), Norfolk NSY (second two).
Number Name Year FLT Homeport Group Notes
SSBN 726 Ohio 1981/2007 (PAC) (Bangor) Pending conversion
SSBN 727 Michigan 1982/2007 (PAC) (Bangor) Pending conversion
SSBN 728 Florida 1983/2008? (ATL) (King's Bay) Pending conversion
SSBN 729 Georgia 1984/2008? (ATL) (King's Bay) Pending conversion