Mobility Air Forces exercise
Tech. Sgt. Patrick Remfrey performs a post flight maintenance check on a C-17 Globemaster III during the Mobility Air Forces exercise May 19, 2010, at Nellis Air Force Base, Nev. Sergeant Remfrey is crew chief assigned to the 62nd Aircraft Maintenance Squadron, at McChord AFB, Wash. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)