Air Force Reservists lift simulated wounded onto a military truck while an Airman provides rear cover during an ambush Aug. 13, 2015, at Camp Guernsey, Wyo. The 310th, 710th and 919th Security Forces Squadrons held a two-week field training exercise while living in field conditions. (U.S. Air Force photos/Tech. Sgt. Nicholas B. Ontiveros)