Britain will be forced to borrow U.S. warplanes to fly from the Royal Navy's new aircraft carriers because of defence cuts, the Daily Mail can reveal. The Navy's Harrier Jump Jets - the aircraft that won renown in the Falklands conflict - are to be retired early leaving the two new carriers with no aircraft when they come into service. Under the plans, the U.S. Marines would be invited to fly from the British carriers in joint operations and the Navy is also examining the prospect of leasing aircraft from the Americans