. . "It will serve as the strike capability for the new Queen Elizabeth Aircraft Carrier and will partner the Typhoon to form the future fast jet fleet for the RAF. It is a multinational acquisition programme led by the United States in partnership with eight other nations, including the UK. There are three variants of the F-35: F-35A Conventional Takeoff and Landing (CTOL) F-35B Short Takeoff/Vertical" . .