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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 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 Virginia class, or the SSN-774 class, is the newest class of nuclear-powered cruise missile fast attack submarines in service with the United States Navy.The class is designed for a broad spectrum of open-ocean and littoral missions, including anti-submarine warfare and intelligence gathering operations. [10]
Unique submarine; liquid metal cooled S2G reactor (replaced with a pressurized-water reactor in 1959) Skate: 4 USS Skate (SSN-578) 21 July 1955 USS Seadragon (SSN-584) 5 December 1959 Skipjack: 6 USS Skipjack (SSN-585) 29 May 1956 USS Snook (SSN-592) 24 October 1961 First nuclear submarine class with teardrop hull form.
Unique submarine. First submarine to complete a submerged circumnavigation of the globe, and the only Western submarine powered by two nuclear reactors. SSGN-587 Halibut: Unique submarine. First and only American nuclear powered submarine designed and built as a guided missile submarine. SSN-588 Scamp: SSN-589 Scorpion: Lost in accident 22 May ...
Submarines of this class are named after American towns and cities, such as Albany, New York; Los Angeles, California; and Tucson, Arizona, with the exception of USS Hyman G. Rickover, named for the "father of the nuclear Navy." This was a change from traditionally naming attack submarines after marine animals, such as USS Seawolf or USS Shark ...
USS North Carolina (SSN-777), a Virginia-class attack submarine, is the fourth vessel of the United States Navy named for U.S. state of North Carolina.The contract to build her was awarded to Northrop Grumman Newport News on 30 September 1998 and her keel was laid down on 24 May 2004.