First Lt. Aaron Mackie, 28th Logistics Readiness Squadron vehicle operations manager, scouts terrain during survival, evasion, resistance and escape training at the Fort Meade training range in Sturgis, S.D., June 10, 2013. During the exercise, participants had to face a variety of challenges including limited communications, obstacles, navigating sizable terrain, isolated personnel, raised elevation, heat and limited food and water resources all while avoiding an aggressive force. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)