At the center of the U.S. effort to collect top-secret intelligence was an unlikely hero: the USS Parche, a Sturgeon-class ...

Since 2000, at least 14 expedition crews have unsuccessfully tried to find the final resting place of the HMS Trooper, but the ill-fated World War II submarine has finally been located.

A World War Two submarine that disappeared mysteriously in 1943 with 64 crew members on board has been found off the coast of Greece. The HMS Trooper wreck, which had been deployed on a secret ...

On August 29, India’s defense minister celebrated the commissioning of the S3 Arighat, India’s second-ever home-built nuclear-powered submarine. Named 'slayer of enemies', Arighat ...

The Navy's submarine service has a long history of earning the honor for secret and clandestine activities that have begun to become public only in the last several decades. Read Next: Sergeant ...

A US attack submarine crew was honored with a top award after running "demanding" secret intelligence-gathering missions. The USS Washington, a Virginia-class fast-attack submarine, received the ...