The U.S. Air Force Demonstration Squadron, the Thunderbirds, perform a pass during an aerial demonstration at Langley Air Force Base, Va., May 13, 2011. The Thunderbirds headlined Joint Base Langley-Eustis’ Air Power over Hampton Roads 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)