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.
This US Naval Base Has Been Active Since 1917
The United States Navy remains one of the most sophisticated and fearsome naval forces to ever take to the seas.