The U.S. Air Force Air Demonstration Squadron, Thunderbirds, fly in formation during the "Airpower over Hampton Roads" Open House at Langley Air Force Base, Va., May 13, 2011. The Thunderbirds headlined Joint Base Langley-Eustis’s open house and performed precision aerial maneuvers, demonstrating the capabilities of high performance aircraft to the Hampton Roads area. (U.S. Air Force photo/Senior Airman Zachary Wolf)(RELEASED)