The Air Force Heritage Flight performs a fly by during the AirPower over Hampton Roads open house at Langley Air Force Base, Va., May 14, 2011. The U.S. Air Force Heritage Flight program presents the evolution of U.S. Air Force air power by flying today's state-of-the-art fighter aircraft in close formation with vintage fighter aircraft. (U.S. Air Force photo by Staff Sgt. Dana Hill)(RELEASED)