Marine Corps drill instructors are a national symbol of discipline. But for some, their imposing persona belies a dark ...

Cruise inhaled his own carbon dioxide in an underwater stunt that Christopher McQuarrie describes "as chaotic and unhinged as ...

The Los Angeles improved-class attack submarine USS Cheyenne (SSN 773) was successfully undocked Feb. 6, marking a ...

North Korea has accused the US of engaging in a "hostile military act" and posing a "grave security threat" to the country by sending a nuclear submarine to a South Korean port.

North Korea has accused the United States of “openly ignoring” the North’s security concerns after a U.S. nuclear-powered submarine arrived at a naval base in South Korea.In ...