submarine

Moscow horde Not-HAPPY?: US Navy NEXT Attack Submarine could really be a game changer "The U.S. Navy operates three types of submarines—nuclear-powered ballistic missile submarines (SSBNs), nuclear-powered cruise missile and special operations forces (SOF) submarines (SSGNs), and...

Another Thresher incident?... Argentine Navy looking for sub that's been radio silent for 2 days Nov. 17, 2017 -- Authorities said Friday they are trying to communicate with an Argentine Navy submarine that broke contact off Northern Patagonia this week, with 44 crew members on board.