The U.S. Air Force Demonstration Squadron, the Thunderbirds, fly in a formation during Air Power over Hampton Roads at Langley Air Force Base, Va., May 13, 2011. The Thunderbirds headlined Joint the free open house with precision aerial maneuvers, demonstrating the capabilities of high performance aircraft to the Hampton Roads area. (U.S. Air Force photo by Airman 1st Class Kayla Newman)(RELEASED)