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A ballistic missile submarine is a submarine capable of deploying submarine-launched ballistic missiles (SLBMs) with nuclear warheads. These submarines became a major weapon system in the Cold War because of their nuclear deterrence capability.
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).
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]
Note: Several boats were converted into cruise missile submarines after construction, the USS Halibut was the only purpose built SSGN of the US Navy Class Name No. First boat laid down Last boat commissioned Notes Picture/Silhouette Halibut: 1 11 April 1957 4 January 1960 Unique submarine; Regulus missile submarine
A submarine-launched ballistic missile (SLBM) is a ballistic missile capable of being launched from submarines. Modern variants usually deliver multiple independently targetable reentry vehicles (MIRVs), each of which carries a nuclear warhead and allows a single launched missile to strike several targets.
The Ohio class is named after Ohio because the USS Ohio submarine is the lead submarine in its class. There are 18 total Ohio-class submarines, 14 ballistic missile submarines (SSBN) and four ...
Nuclear ballistic missile submarines. Also known as "boomers" and given the classification "SSBN," nuclear ballistic missile submarines are perhaps the greatest nuclear deterrent any nation can ...
The Vanguard class is a class of nuclear-powered ballistic missile submarines (SSBNs) in service with the Royal Navy. [2] The class was introduced in 1994 as part of the Trident nuclear programme, and comprises four vessels: Vanguard, Victorious, Vigilant and Vengeance, built between 1986 and 1999 at Barrow-in-Furness by Vickers Shipbuilding and Engineering, now owned by BAE Systems. [3]