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SSN 661
Specifications

Sturgeon Class
Fast Attack Nuclear Submarine
  • Builders: General Dynamics Electric Boat Division; General Dynamics, Quincy Shipbuilding Division; Ingalls Shipbuilding; Portsmouth Naval Shipyard; San Francisco Naval Shipyard; and Newport News Shipbuilding.
  • Power Plant: One nuclear reactor, two geared steam turbines, one shaft.
  • Length: 292 feet (89 meters), (SSN 637-677);
    300 feet (91.44 meters) SSN (678-687).
  • Beam: 32 feet (9.75 meters).
  • Displacement: Approx. 4,640 tons (4176 metric tons) submerged.
  • Speed: 20+ knots (23+ miles per hour, 36.8+ kph).
  • Crew: 12 Officers, 100 Enlisted.
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