A US Navy nuclear-powered submarine has made a rare appearance in a show of force this week. The USS Tennessee ballistic submarine popped up in the Norwegian Sea on Tuesday and was accompanied by ...

The Alex, as the Alexandria is called, is a 360-foot-long, Cold War-era submarine designed to hunt enemy submarines and ...

the U.S. Navy disclosed the location of Ohio-class submarine USS Tennessee (SSBN-734) operating in the Norwegian Sea, joined ...

The USS Silversides submarine sank 23 ships during World War II. It was also the site of a successful emergency appendectomy ...

The US Navy has 3D printed a prototype submersible hull at the Oak Ridge National Lab in Tennessee. It could be in service by 2019. The departments of Defense and Energy collaborated on the project.

The full cost of the dry docking is estimated at $1.5 million. Another $500,000 is still needed by September to make the ...

The Navy detailed eight engineers to the home of the atomic bomb, the Atomic Energy Commission facility in Oak Ridge, Tennessee ... a U.S. submarine was able to detect a destroyer at a distance ...

A pair of U.S. Army AH-64 helicopters and a U.S. Navy MH-60S helicopter, as well as a submarine support vessel, were seen escorting the Kentucky during the routine armed air escort drill on April ...

WASHINGTON (CNN)-- In what a U.S. military official calls an "inadvertent encounter," a Chinese submarine hit an underwater sonar array being towed by the destroyer USS John McCain on Thursday.