North Korea warns of "armed force conflict" after nuclear-powered U.S. submarine docks in South Korea
The nuclear-powered USS Alexandria is a 360-foot fast-attack submarine equipped with Tomahawk missiles and MK48 torpedoes.
Satellite Photo Captures Chinese Nuclear Submarine's Weapons System
The Chinese Type 093B is classified by the U.S. military as a guided-missile nuclear-powered attack submarine.
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U.S. Navy Arming Columbia-Class Submarines With Nuclear Missiles to Last for 60 Years
The U.S. Navy awarded defense contractor Lockheed Martin a $383 million contract to produce upgraded Trident II D5 missiles ...