LANGLEY AIR FORCE BASE, Va. – Airman 1 Class John Schommer, 57th Aircraft Maintenance Squadron crew chief, marshals in an F-16 fighter after a training exercise held here Sept. 17. Members of the 57th AMXS provided maintenance for the 64th Aggressor Squadron. The 64th AGRS was here to provide dissimilar aircraft training to Langley pilots. Both squadrons are from Nellis Air Force Base, Nev. (U.S. Air Force photo/Tech. Sgt. April Wickes)