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Dosan Ahn Changho vs Virginia

Virginia submarine side profile drawing
🇺🇸 Virginia
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Specifications
Dosan Ahn Changho Virginia
Origin 🇰🇷 South Korea 🇺🇸 United States
Category Submarine Submarine
Type Attack submarine with ballistic missile launching capabilities Nuclear-powered attack submarine
Manufacturer Hanwha Ocean General Dynamics Electric Boat
Year introduced 2021 2004
Number built 3 units 26 units
Estimated unit price $900 million $2,800 million
Displacement 3,358 tons 6,930 tons
Maximum speed 12.0 knots 15.0 knots
Range 10,000 nm Unlimited
Length 83.5 m 115.0 m
Beam 9.6 m 10.0 m
Crew 50 135
Max depth NA 240 m
Performance Radar Chart
Armament & Systems
Dosan Ahn Changho Virginia
Armament
  • 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
  • 12 x VLS tubes (Tomahawk cruise missiles)
  • 2 x Virginia payload tubes (12 x Tomahawk BGM-109)
  • 4 x Virginia payload modules (28 x Tomahawk BGM-109)
  • 4 x 21" torpedo tubes (Mk-48 torpedoes or UGM-84 Harpoon missiles)
Propulsion 3 × MTU 16V396SE84L marine diesel engines; Air-independent propulsion (AIP) 4 × Bumhan Industries PH1 PEM fuel cells, each with 100 kW 1 × S9G nuclear reactor 280,000 hp (210 MW); 2 × steam turbines 40,000 shp (30 MW); 1 × single shaft pump-jet propulsor; 1 × secondary propulsion motor

Overview

The Dosan Ahn Changho and the Virginia are both Submarine classes.

The Virginia displaces 6,930 tons — 2.1x the Dosan Ahn Changho's 3,358 tons. The Dosan Ahn Changho reaches 12 knots vs 15 knots for the Virginia. Operational range is 10,000 nautical miles for the Dosan Ahn Changho vs 99,999 for the Virginia. The Dosan Ahn Changho carries a crew of 50 vs 135 for the Virginia. Submerged displacement is 3,750 tons for the Dosan Ahn Changho vs 7,900 tons for the Virginia.

The Dosan Ahn Changho was produced in 3 units vs 26 for the Virginia. Cost per hull is $900M for the Dosan Ahn Changho vs $2,800M for the Virginia. The Dosan Ahn Changho was commissioned in 2021, 17 years after the Virginia (2004).

Frequently Asked Questions

Which has greater displacement, the Dosan Ahn Changho-class or Virginia-class?
The Virginia-class has greater displacement at 6,930 tons compared to the Dosan Ahn Changho-class's 3,358 tons.
Which is faster, the Dosan Ahn Changho-class or Virginia-class?
The Virginia-class is faster with a maximum speed of 15 knots compared to the Dosan Ahn Changho-class's 12 knots.
Which has longer range, the Dosan Ahn Changho-class or Virginia-class?
The Virginia-class is nuclear-powered with unlimited range, while the Dosan Ahn Changho-class has a range of 10,000 nautical miles.
Which is longer, the Dosan Ahn Changho-class or Virginia-class?
The Virginia-class is longer at 115.0 meters compared to the Dosan Ahn Changho-class's 83.5 meters.
How many crew members do the Dosan Ahn Changho-class and Virginia-class have?
The Virginia-class has a larger crew complement of 135 compared to the Dosan Ahn Changho-class's 50 crew members.
Which is more expensive, the Dosan Ahn Changho-class or Virginia-class?
The Virginia-class is more expensive at approximately $2.8 billion per unit compared to the Dosan Ahn Changho-class at $900 million.
Which has been built in greater numbers, the Dosan Ahn Changho-class or Virginia-class?
The Virginia-class has been built in greater numbers with 26 vessels compared to 3 vessels of the Dosan Ahn Changho-class.