Major Milestone for US Navy's Future Nuclear-Armed Submarine
Summary
The U.S. is advancing in the construction of its next-generation submarine, the Columbia-class, designed to carry nuclear missiles. The first of these submarines, the USS District of Columbia, is partially completed and set for final assembly, facing a delivery delay to fiscal 2028 due to supply chain issues. This submarine class aims to replace aging vessels and enhance the U.S.'s nuclear capabilities.Key Facts
- The U.S. Navy is building a new submarine class called the Columbia-class, equipped with nuclear missiles.
- The lead submarine, USS District of Columbia, is about 60% complete.
- It will be the largest U.S. submarine, at 560 feet long and weighing nearly 21,000 tons.
- The submarine is expected to be delivered in fiscal 2028, with its first patrol in fiscal 2030.
- The Columbia-class will replace 14 older Ohio-class submarines.
- It features a new type of nuclear reactor that does not need refueling, only requiring one overhaul in its 42-year lifespan.
- The Columbia-class submarines are built mainly by General Dynamics Electric Boat, with some parts by Newport News Shipbuilding.
- The new class requires two fewer submarines than the previous one for strategic operations due to its improved design and longer deployment capability.
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