U.S. Air Force Senior Master Sgt. Garry Sheets an observer controller with the 911th Aeromedical Evacuation Squadron, Pittsburg International Airport Air Reserve Station, Coraopolis, Pa., plays the part of a sick patient during an inflight medical training scenario July 27, 2013. Sgt., Sheets is participating in Warrior Exercise 86-13-01 (WAREX)/Exercise Global Medic, 2013,. WAREX provides units an opportunity to rehearse military maneuvers and tactics. Held in conjunction with WAREX, Global Medic is an annual joint-field training exercise designed to replicate all aspects of theater combat medical support." (U.S. Air Force photo by Tech. Sgt. Efren Lopez /Released)