LANGLEY AIR FORCE BASE, Va. – An F-22 Raptor taxies down the parking ramp, while an F-16 fighter lands after a training exercise held here Sept. 17. The 64th Aggressor Squadron from Nellis Air Force Base, Nev., was here to provide dissimilar aircraft training to Langley pilots. (U.S. Air Force photo/Tech. Sgt. April Wickes)