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Columbia-class Nuclear Ballistic Missile Submarine

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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[edit]

  • 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[edit]

  • USS Columbia (SSBN-826) - planned for construction
  • USS Unnamed (SSBN-827) - planned for construction
  • USS Unnamed (SSBN-828) - planned for construction
  • USS Unnamed (SSBN-829) - planned for construction
  • USS Unnamed (SSBN-830) - planned for construction
  • USS Unnamed (SSBN-831) - planned for construction
  • USS Unnamed (SSBN-832) - planned for construction
  • USS Unnamed (SSBN-833) - planned for construction
  • USS Unnamed (SSBN-834) - planned for construction
  • USS Unnamed (SSBN-835) - planned for construction
  • USS Unnamed (SSBN-836) - planned for construction
  • USS Unnamed (SSBN-837) - planned for construction
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