The space shuttle Discovery soared over the Washington Monument, the White House and the Capitol in a high-flying salute to the US capital on Tuesday.The world's most travelled spaceship, hitching a ride on top a Boeing 747 jet, took a couple of leisurely spins at an easy-to-spot 457 metres around Washington after a flight from Cape Canaveral, FloridaThousands packed the National Mall in front of the Capitol to watch the pair swoop by.
Space shuttle Discovery salutes US capital