A survival, evasion, resistance and escape student from Fairchild Air Force Base, Wash., pops red smoke March 13, 2011, in anticipation of a rescue helicopter during vector training in Colville National Forest, Wash. The vector training gets students familiar with proper protocol to correctly guide a helicopter into position to safely rescue them if needed. This entails everything from authentication, to using a compass to pinpoint their heading for the pilot to be able to locate them. (U.S. Air Force photo/Tech. Sgt. J.T. May III)