Churchill-class submarine
HMS Conqueror was the most famous of the class, sinking the Argentinian cruiser ARA General Belgrano during the 1982 Falklands War.Like all nuclear-powered submarines the Churchill class could remain submerged almost indefinitely, with supplies of food being the only limiting factor.HMS Churchill evaluated both the American Mark 48 torpedo and the UGM-84 Harpoon missile, though only the latter was adopted by the Royal Navy.HMS Conqueror was the most famous of the class, sinking the Argentinian cruiser ARA General Belgrano during the 1982 Falklands War.She did not fire again during the war, but provided valuable help to the British task force by using her monitoring equipment to track Argentine aircraft departing the mainland.