A C-17 Globemaster III taxis July 19, 2013, after landing at Pittsburg International Airport Air Reserve Station, Coraopolis, Pa. The C-17, from 452nd Air Mobility Wing, March Air Reserve Base, Calif., is carrying Airmen participating in Global Medic. This is an annual joint-reserve field training exercise designed to replicate all facets of combat theater aeromedical evacuation support (U.S. Air Force photo/Tech. Sgt. Efren Lopez)