USS Jimmy Carter was radically modified with a secret mission module that transformed her into a covert intelligence platform ...

Seoul wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that.

The submarine is the fifth Navy vessel to bear the name Idaho. The first was a wooden-hulled storeship commissioned in 1866.

In the final weeks of WWII, an American submarine launched one of the strangest attacks of the entire war. After hammering the Japanese coast with rockets and torpedoes, the crew noticed something ...

A US nuclear-powered submarine arrived at a key naval base in South Korea's southeastern Busan city on Tuesday to restock ...

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

The U.S. Navy's nuclear-powered attack submarine USS Greenville docked at the Busan Naval Operations Base on Tuesday, South ...

Hanwha’s Philly Shipyard has the capability of building a nuclear-powered submarine for the US Navy, said Alex Wong, global ...

A U.S. nuclear-powered submarine, the USS Greeneville, arrived at South Korea’s Busan naval base to resupply, Seoul’s navy ...

WASHINGTON — A coalition of Navy veterans is seeking an expansion of health care and disability benefits for toxic exposures linked to gases, chemicals and biological contaminants aboard submarines.

President Donald Trump confirmed the U.S. military destroyed a drug submarine that was moving toward the United States carrying fentanyl and other illegal drugs. Trump previously mentioned a U.S.

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs.