Spectators watch the Thunderbirds' demonstration during the Air Power over Hampton Roads Open House at Langley Air Force Base, Va., May 14, 2011. The Joint Base Langley-Eustis open house is a free three-day event featuring a variety of aerial demonstrations, including historical aircraft and the United States Air Force Demonstration Squadron, the Thunderbirds. (U.S. Air Force photo by Senior Airman Antoinette Gibson) (RELEASED)