A Detachment 1, 66th Training Squadron survival, evasion, resistance and escape specialist aids Arctic Survival School students with the contrast elements of a rescue and recovery signal Nov. 9, 2011, at Eielson Air Force Base, Alaska. The course offers students a set of skills invaluable to enduring the subarctic climate of interior Alaska and the extreme cold. (U.S. Air Force photo/Senior Airman Willard Grande II)