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Columbia vs Taigei

Columbia vs Taigei at a glance — length 171 vs 84 m, crew 155 vs 70.

Specifications
Columbia Taigei
Origin 🇺🇸 United States 🇯🇵 Japan
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Attack submarine
Manufacturer General Dynamics Electric Boat, Newport News Shipbuilding Mitsubishi Heavy Industries
Year introduced 2030 2022
Number built 12 units 4 units
Estimated unit price $9,150 million $635 million
Displacement NA 3,000 tons
Maximum speed NA 13.0 knots
Length 171.0 m 84.0 m
Beam 13.1 m 9.1 m
Crew 155 70
Performance Radar Chart
Armament & Systems
Columbia Taigei
Armament
  • 16 × Trident II D5 submarine-launched ballistic missiles
  • 533 mm torpedo tubes with Mk 48 torpedoes
  • 6 × HU-606 21 in (533 mm) torpedo tubes
  • Type 18 torpedo
  • Harpoon (missile)
Propulsion S1B nuclear reactor, turbo-electric drive, pump-jet propulsor lithium-ion batteries, snorkel power generation system
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Frequently Asked Questions

Which has greater displacement, the Columbia-class or Taigei-class?
The Taigei-class has greater displacement at 3,000 tons compared to the Columbia-class's 0 tons.
Which is faster, the Columbia-class or Taigei-class?
The Taigei-class is faster with a maximum speed of 13 knots compared to the Columbia-class's 0 knots.
Which is longer, the Columbia-class or Taigei-class?
The Columbia-class is longer at 171.0 meters compared to the Taigei-class's 84.0 meters.
How many crew members do the Columbia-class and Taigei-class have?
The Columbia-class has a larger crew complement of 155 compared to the Taigei-class's 70 crew members.
Which is more expensive, the Columbia-class or Taigei-class?
The Columbia-class is more expensive at approximately $9.2 billion per unit compared to the Taigei-class at $635 million.
Which has been built in greater numbers, the Columbia-class or Taigei-class?
The Columbia-class has been built in greater numbers with 12 vessels compared to 4 vessels of the Taigei-class.