LANGLEY AIR FORCE BASE, Va. -- Capt. Dan McAllister, 71st Fighter Squadron pilot, explains the capabilities of the F-15 Eagle to Tim and Jack Smith during AirPower over Hampton Roads here April 25. Langley's open house helps educate the public on Air Force capabilities and show appreciation to the local community.(U.S. Air Force photo/Airman 1st Class Jonathan Koob)