L. David Marquet is a former US Navy Captain and author who served in the submarine force for nearly three decades. Marquet graduated from the US Naval Academy at the top of his class in 1981, during ...

One of the nation’s Cold War nuclear submarines is now emerging and taking shape as a partially re-assembled, $9.5 million ...

Australia’s jump to AUKUS nuclear-powered submarines is rooted in the Collins class’s limits: an aging, conventional fleet with a long history of noise, combat-system bugs, engine woes, corrosion, and ...

The USA's Defense Advanced Research Projects Agency has finalised an agreement with Lockheed Martin to begin work on the fabrication and design of an experimental nuclear thermal rocket and its engine ...

North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the U.S. State media on Saturday ...