Learning survival skills at the "Cool School"
Senior Airmen Jess Evans, Detachment 1, 66th Training Squadron, Arctic Survival School Instructor, demontrates a water machine to a class attending Arctic Survival School Feb. 25, 2009, Eielson Air Force Base, Alaska. A water machine is created by melting snow in a sea anchor or other improvized devices, then water is collected in a container. (U.S. Air Force photo/Airman 1st Class Willard E. Grande II)