Columbia vs Dosan Ahn Changho
Columbia vs Dosan Ahn Changho at a glance — length 171 vs 83 m, crew 155 vs 50.
Specifications
|
Columbia |
Dosan Ahn Changho |
| Origin |
🇺🇸 United States |
🇰🇷 South Korea |
| Category |
Submarine |
Submarine |
| Type |
Nuclear-powered ballistic missile submarine |
Attack submarine with ballistic missile launching capabilities |
| Manufacturer |
General Dynamics Electric Boat, Newport News Shipbuilding |
Hanwha Ocean |
| Year introduced |
2030 |
2021 |
| Number built |
12 units |
3 units |
| Estimated unit price |
$9,150 million |
$900 million |
| Displacement |
NA |
3,358 tons |
| Maximum speed |
NA |
12.0 knots |
| Range |
NA |
10,000 nm |
| Length |
171.0 m |
83.5 m |
| Beam |
13.1 m |
9.6 m |
| Crew |
155 |
50 |
Armament & Systems
|
Columbia |
Dosan Ahn Changho |
| Armament |
- 16 × Trident II D5 submarine-launched ballistic missiles
- 533 mm torpedo tubes with Mk 48 torpedoes
|
- 6 × 533 mm (21 in) torpedo tubes
- LIG Nex1 K761 Tiger Shark heavyweight torpedoes
- 6 × K-VLS cells
- 6 × Hyunmoo 4-4 submarine-launched ballistic missile
|
| Propulsion |
S1B nuclear reactor, turbo-electric drive, pump-jet propulsor |
3 × MTU 16V396SE84L marine diesel engines; Air-independent propulsion (AIP) 4 × Bumhan Industries PH1 PEM fuel cells, each with 100 kW |
Detailed Comparison
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Which has greater displacement, the Columbia-class or Dosan Ahn Changho-class?
The Dosan Ahn Changho-class has greater displacement at 3,358 tons compared to the Columbia-class's 0 tons.
Which is faster, the Columbia-class or Dosan Ahn Changho-class?
The Dosan Ahn Changho-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 Dosan Ahn Changho-class?
The Dosan Ahn Changho-class has a longer range at 10,000 nautical miles compared to the Columbia-class's 0 nautical miles.
Which is longer, the Columbia-class or Dosan Ahn Changho-class?
The Columbia-class is longer at 171.0 meters compared to the Dosan Ahn Changho-class's 83.5 meters.
How many crew members do the Columbia-class and Dosan Ahn Changho-class have?
The Columbia-class has a larger crew complement of 155 compared to the Dosan Ahn Changho-class's 50 crew members.
Which is more expensive, the Columbia-class or Dosan Ahn Changho-class?
The Columbia-class is more expensive at approximately $9.2 billion per unit compared to the Dosan Ahn Changho-class at $900 million.
Which has been built in greater numbers, the Columbia-class or Dosan Ahn Changho-class?
The Columbia-class has been built in greater numbers with 12 vessels compared to 3 vessels of the Dosan Ahn Changho-class.