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A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed.In the US classification, nuclear-powered submarines are designated as SSxN, where the SS denotes submarine, x=G means that the submarine is equipped with guided missiles (usually cruise missiles), x=B means that the submarine is equipped with ballistic missiles (usually intercontinental) and the ...
The Nautilus was the first nuclear-powered submarine. Nautilus put to sea for the first time on 17 January 1955, transmitting the historic message, "Under way on nuclear power." [14] Up until that point, submarines had been torpedo boats tied to the surface by the need to charge their batteries using diesel engines relatively often.
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).
In the 67 years since the Navy launched the world's first nuclear-powered sub, USS Nautilus, its boats have only gotten more capable and more deadly.
U.S. Southern Command said the USS Helena, a nuclear-powered fast attack submarine, pulled into the waters near the U.S. base in Cuba on Thursday, just a day after a Russian frigate, a nuclear ...
1.2.1 Nuclear-powered attack submarines. ... (Xia), 094 (Jin), 096 (Tang), new-type 098 fourth-generation strategic nuclear submarine; D. USS Dallas, SSN-700;
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
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.