Columbia vs Dreadnought
Columbia vs Dreadnought at a glance — length 171 vs 153 m, crew 155 vs 130.
Specifications
|
Columbia |
Dreadnought |
| Origin |
🇺🇸 United States |
🇬🇧 United Kingdom |
| Category |
Submarine |
Submarine |
| Type |
Nuclear-powered ballistic missile submarine |
Nuclear-powered ballistic missile submarine |
| Manufacturer |
General Dynamics Electric Boat, Newport News Shipbuilding |
BAE Systems Submarines, Barrow-in-Furness |
| Year introduced |
2030 |
2032 |
| Number built |
12 units |
4 units |
| Estimated unit price |
$9,150 million |
NA |
| Maximum speed |
NA |
20.0 knots |
| Length |
171.0 m |
153.6 m |
| Beam |
13.1 m |
NA |
| Crew |
155 |
130 |
Armament & Systems
|
Columbia |
Dreadnought |
| Armament |
- 16 × Trident II D5 submarine-launched ballistic missiles
- 533 mm torpedo tubes with Mk 48 torpedoes
|
- 12 × missile tubes for Trident II D5 ballistic missiles
- 4 × 533 mm torpedo tubes with Spearfish heavyweight torpedoes
|
| Propulsion |
S1B nuclear reactor, turbo-electric drive, pump-jet propulsor |
Rolls-Royce PWR3 nuclear reactor, turbo-electric drive, pump-jet |
Detailed Comparison
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Which is faster, the Columbia-class or Dreadnought-class?
The Dreadnought-class is faster with a maximum speed of 20 knots compared to the Columbia-class's 0 knots.
Which is longer, the Columbia-class or Dreadnought-class?
The Columbia-class is longer at 171.0 meters compared to the Dreadnought-class's 153.6 meters.
How many crew members do the Columbia-class and Dreadnought-class have?
The Columbia-class has a larger crew complement of 155 compared to the Dreadnought-class's 130 crew members.
Which has been built in greater numbers, the Columbia-class or Dreadnought-class?
The Columbia-class has been built in greater numbers with 12 vessels compared to 4 vessels of the Dreadnought-class.