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Columbia vs Ohio

Ohio submarine side profile drawing
🇺🇸 Ohio
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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
Performance Radar Chart
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

Overview

The Columbia and the Ohio are both Submarine classes.

The Columbia carries a crew of 155 vs 155 for the Ohio. Submerged displacement is 21,140 tons for the Columbia vs 18,750 tons for the Ohio.

The Columbia was produced in 12 units vs 18 for the Ohio. Cost per hull is $9,150M for the Columbia vs $2,000M for the Ohio. The Columbia was commissioned in 2030, 49 years after the Ohio (1981).

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Frequently Asked Questions

Which has greater displacement, the Columbia-class or Ohio-class?
The Ohio-class has greater displacement at 16,764 tons compared to the Columbia-class's 0 tons.
Which is faster, the Columbia-class or Ohio-class?
The Ohio-class is faster with a maximum speed of 12 knots compared to the Columbia-class's 0 knots.
Which has longer range, the Columbia-class or Ohio-class?
The Ohio-class is nuclear-powered with unlimited range, while the Columbia-class has a range of 0 nautical miles.
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?
The Ohio-class has a larger crew complement of 155 compared to the Columbia-class's 155 crew members.
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 $2.0 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.