U.S. Air Force Capt. Tracy Tucker, a flight nurse with the 433rd Aeromedical Evacuation Squadron, Joint Base San Antonio-Lackland, Texas, works in the rain as a safety spotter during Warrior Exercise 86-13-01 (WAREX)/Exercise Global Medic, 2013, at Fort McCoy, Wis. July 27, 2013. The 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/Tech. Sgt. Efren Lopez)