Lt. Col. Randy Brink, 18th Air Refueling Squadron chief of training, uses a signal mirror identifing his location to a KC-135 Stratotanker flying overhead Oct. 8, 2013, in Derby, Kan. Brink led a group of pilots through a combat survival course during their most recent survival, evasion, rescue and escape training. (U.S. Air Force photo/Airman 1st Class Victor J. Caputo)
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