The 377-foot vessel can dive to depths of more than 800 feet below the surface and maneuver at speeds of over 25 knots.

The US Navy's oldest submarine still in active ... writing in a release that the nuclear-powered guided-missile submarine had undergone interior mechanical repairs and shaft replacement.

Britain's mighty fleet of fearsome new nuclear submarines, dubbed the Royal Navy's future 'silent enforcers', will feature separate cabins for female sailors, an on-board gym and study room for ...

Sailors aboard the Virginia-class fast attack submarine Iowa man the rails during a commissioning ceremony in Groton, Connecticut, on Saturday. (John Narewski/U.S. Navy) The Navy formally ...

The US Navy's oldest active submarine is back for operations in the Pacific after a three-year maintenance period. The USS Ohio is a first-in-class nuclear-powered guided-missile submarine. The ...