Columbia-class Nuclear Ballistic Missile Submarine

A Columbia-class SSBN at sea.

The Columbia-class Nuclear Ballistic Missile Submarine is a future United States Navy nuclear submarine class designed to replace the Trident missile-armed Ohio-class ballistic missile submarines. The first submarine is scheduled to begin construction in 2021 and enter service in 2031 (some 50 years after its immediate predecessor, the Ohio class, entered service). From there, the submarine class will serve through 2085.

Specifications

• Type: Nuclear Ballistic Missile Submarine
• Service Period: 2031-2085
• Characteristics:
  • Length: 561 feet (170.99 meters)
  • Beam: 43 feet (13.11 meters)
  • Draft:
  • Displacement: 20,810 tons (Submerged)
• Crew: 155
• Propulsion: Nuclear reactor, turbo-electric drive, pumpjet
• Range: Unlimited
• Speed: ~30 knots (~55.56 km/h)
• Sensor Suite:
• Countermeasures:
• Armament:
  • 16 x UGM-133A Trident II D5 nuclear ballistic missiles

Unit Run

• USS Columbia (SSBN-826) - planned for construction
• USS Narwhal (SSBN-827) - planned for construction
• USS Parche (SSBN-828) - planned for construction
• USS Skipjack (SSBN-829) - planned for construction
• USS Triton (SSBN-830) - planned for construction
• USS Nautilus (SSBN-831) - planned for construction
• USS Glenard P. Lipscomb (SSBN-832) - planned for construction
• USS Harder (SSBN-833) - planned for construction
• USS Redfish (SSBN-834) - planned for construction
• USS Archerfish (SSBN-835) - planned for construction
• USS William H. Bates (SSBN-836) - planned for construction
• USS Tullibee (SSBN-837) - planned for construction
• USS Albacore (SSBN-838) - planned for construction
• USS Dolphin (SSBN-839) - planned for construction
• USS Halibut (SSBN-840) - planned for construction
• USS Grayback (SSBN-841) - planned for construction
• USS Barbel (SSBN-842) - planned for construction
• USS Mackarel (SSBN-843) - planned for construction