Nuclear weapons produce frighteningly massive detonations that destroy everything in their path. They've only ever been used once during wartime, and the bombs of today are even deadlier than the one ...

In 1963, USS Thresher sank, killing all 129 aboard—sparking decades of speculation. It remains the deadliest submarine ...

GROTON, Conn. – Ensign Grant Totten, a native of Columbus (Indiana), is training to be part of the U.S. Navy’s 125-year tradition of service under the sea. Totten graduated from Columbus East High ...

GD secures a $642M deal to aid Virginia-class submarines, boosting growth prospects in advanced undersea defense.

The federal government says it will not make a decision on the location of the nuclear submarine base until later this decade ...

The US group’s Australian business is rapidly changing from LNG and mining to renewables, defence and public infrastructure, says CEO Brendan Bechtel.