The Columbia class, formerly known as the Ohio Replacement Submarine, is a planned class of nuclear-powered ballistic missile submarines for the United States Navy, designed to replace the Ohio class as the sea-based leg of the American strategic nuclear force. General Dynamics Electric Boat was chosen in March 2016 as prime contractor and lead design yard, with Newport News Shipbuilding as the main subcontractor. Each boat is about 560 feet long and carries sixteen Trident II D5LE missiles, fewer tubes than the 24 of an Ohio boat. The design uses electric drive and a nuclear core meant to last the whole service life, so no mid-life refuelling is needed. Construction of the first boat began on 1 October 2020, and the lead vessel is to be named USS District of Columbia, with service entry scheduled for 2031.
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Source Columbia-class submarine (Wikipedia)
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In March 2016, the US Navy chose General Dynamics Electric Boat as the prime contractor and lead design yard.
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nuclear-powered ballistic missile submarines of the United States Navy
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1. Columbia-class submarine (Wikipedia)
Lead
Construction of the first vessel began on 1 October 2020
Lead, status
is scheduled to enter service in 2031
Lead, body style
nuclear-powered ballistic missile submarines of the United States Navy
Propulsion
it will use an electric motor to turn its propellers
History
In March 2016, the US Navy chose General Dynamics Electric Boat as the prime contractor and lead design yard.
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