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An SSN is a nuclear-powered general-purpose attack submarine. SSN is the US Navy hull classification symbol for such vessels; the SS (as 'Ship Submersible') denotes a submarine [1] and the N denotes nuclear power. The designation SSN is used for interoperability throughout NATO under STANAG 1166, [2] though navies use other terms.
SS – Submarine, class/type of ship SSBN (aka Boomers ) – Hull classification symbol for ballistic missile submarine (Submersible Ship Ballistic Nuclear) SSES – Ships Signals Exploitation Space: compartment on a ship where embarked NAVSECGRU personnel, known a Cryptologic Technicians, do their work
The SSN(X) or Next-Generation Attack Submarine program of the United States Navy aims to develop a new class of nuclear-powered attack submarines to succeed the Virginia and Seawolf classes. The SSN(X) program remains in the early stages of development and no official details have been released about its design or capabilities.
The SSN-AUKUS, also known as the SSN-A, [2] is a planned class of nuclear-powered fleet submarine intended to enter service with the United Kingdom's Royal Navy in the late 2030s and Royal Australian Navy in the early 2040s. The class will replace the UK's Astute-class and Australia's Collins-class submarines. [3] [4]
USS Atlanta (SSN-813) will be a nuclear-powered Virginia-class submarine of the United States Navy, the twelfth Block V attack submarines and 40th overall of her class. The submarine will be the sixth U.S. Navy vessel named for Atlanta, Georgia .
USS Newport News (SSN-750), a Los Angeles-class submarine, is the third ship of the United States Navy to be named for Newport News, Virginia.The contract to build her was awarded to Newport News Shipbuilding and Dry Dock Company in Newport News, Virginia on 19 April 1982 and her keel was laid down on 3 March 1984.
USS Washington (SSN-787) is a Virginia-class nuclear powered attack submarine of the United States Navy. Launched in 2016 and commissioned in 2017, she is named for the U.S. state of Washington . History
USS South Dakota (SSN-790), is a nuclear powered Virginia-class submarine in service with the United States Navy.The contract to build her was awarded to Huntington Ingalls Industries in partnership with the Electric Boat division of General Dynamics in Newport News, Virginia on 22 December 2008.