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List submarines of the United States Navy, by hull number and boat name Hull number Name Notes Turtle: World's first combat submersible. Deployed in 1775. Failed mission to destroy HMS Eagle. Continental Army project. Alligator: Experimental submarine built in 1862. Foundered in bad weather in 1863. First submarine of the United States Navy.
Class name Number of boats First boat laid down Last boat commissioned Notes Virginia: 48 (planned) USS Virginia (SSN-774) 2 September 1999: USS New Jersey (SSN-796) September 14, 2024: Attack submarine. 23 commissioned as of September 2024. Columbia: 12 (planned) USS District of Columbia (SSBN-826) (planned) Ballistic missile submarine
In 1920 the U.S. Navy Department established a standard Type and Class letter designation system. "SS" was established as the two-letter class designation for Submarine (first line). In addition to a name, each U.S. submarine carries a Class designation followed by an assigned hull number.
These 20 submarines (10 Block V, 5 Block VI, 5 Block VII) would carry VPM bringing the total number of Virginia-class submarines to 48 (including the 28 submarines in Blocks I, II, III and IV). The CBO in its 2012 report states that 33 Virginia -class submarines will be procured in the 2013–2032 timeframe, [ 8 ] resulting in 49 submarines in ...
They were of double hull design with 1.5-inch thick HY80 steel. This class of submarine became part of the United States Navy's fleet in 1959 and was taken out of service 1988–1990, leaving the Navy with an entirely nuclear-powered submarine fleet. The Barbel class' design is considered to be very effective. [3]
The US Navy has a total of 18 Ohio-class submarines which consist of 14 ballistic missile submarines (SSBNs), and four cruise missile submarines (SSGNs). The SSBN submarines provide the sea-based leg of the U.S. nuclear triad. Each SSBN submarine is armed with up to 20 Trident II submarine-launched ballistic missiles (SLBM).
A man looks at a model of the Type 092, China's first nuclear-powered ballistic missile submarine of which only one was built. WANG ZHAO/Getty Images Nuclear ballistic missile submarines
The upcoming Columbia-class (formerly known as the Ohio Replacement Submarine and SSBN-X Future Follow-on Submarine) nuclear-powered ballistic missile submarines of the United States Navy are designed to replace the Ohio class. [7] Construction of the first vessel began on 1 October 2020. [8] She is scheduled to enter service in 2031. [9] [10] [11]