Columbia vs Ohio
Columbia vs Ohio at a glance — length 171 vs 170 m, crew 155 vs 155.
Specifications
|
Columbia |
Ohio |
| Origin |
🇺🇸 United States |
🇺🇸 United States |
| Category |
Submarine |
Submarine |
| Type |
Nuclear-powered ballistic missile submarine |
Nuclear-powered ballistic missile submarine |
| Manufacturer |
General Dynamics Electric Boat, Newport News Shipbuilding |
General Dynamics Electric Boat |
| Year introduced |
2030 |
1981 |
| Number built |
12 units |
18 units |
| Estimated unit price |
$9,150 million |
$2,000 million |
| Displacement |
NA |
16,764 tons |
| Maximum speed |
NA |
12.0 knots |
| Range |
NA |
Unlimited |
| Length |
171.0 m |
170.0 m |
| Beam |
13.1 m |
13.0 m |
| Crew |
155 |
155 |
| Max depth |
NA |
240 m |
Armament & Systems
|
Columbia |
Ohio |
| Armament |
- 16 × Trident II D5 submarine-launched ballistic missiles
- 533 mm torpedo tubes with Mk 48 torpedoes
|
- 4 × 21 inch (533 mm) Mark 48 torpedo tubes
- 20 × Trident II D5 SLBM
- 154 × Tomahawk cruise missiles
- Harpoon missiles
|
| Propulsion |
S1B nuclear reactor, turbo-electric drive, pump-jet propulsor |
1× S8G PWR nuclear reactor, 2× geared turbines; 35,000 shp (26 MW), 1x Fairbanks Morse auxiliary diesel, 1× 325 hp (242 kW) auxiliary motor, 1 shaft with seven-bladed screw |
Detailed Comparison
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Former operators · 12 built
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Which is longer, the Columbia-class or Ohio-class?
The Columbia-class is longer at 171.0 meters compared to the Ohio-class's 170.0 meters.
How many crew members do the Columbia-class and Ohio-class have?
Both the Columbia-class and Ohio-class have a crew complement of 155.
Which is more expensive, the Columbia-class or Ohio-class?
The Columbia-class is more expensive at approximately $9.2 billion per unit compared to the Ohio-class at $2 billion.
Which has been built in greater numbers, the Columbia-class or Ohio-class?
The Ohio-class has been built in greater numbers with 18 vessels compared to 12 vessels of the Columbia-class.
