Senior Airman Yuriy Dubrov, left, and Staff Sgt. Jesse McCarley, set up a radio communication site during a combat survival training exercise at Davidsonville Communications Site, Md., Aug. 21, 2013. The daylong exercise was designed to teach survival skills in the event of an aircraft mishap. Dubrov is a radio frequency technician with the 89th Communications Squadron. McCarley is the aircrew continuation training noncommissioned officer in charge with the 113th Operations Support Flight. (U.S. Air Force photo/Airman 1st Class Erin O’Shea)