Ability to Survive and Operate training readies Icemen
U.S. Airmen don mission-oriented protective posture gear Oct. 28, 2014, during ability to survive and operate (ATSO) training at Eielson Air Force Base, Alaska. The ATSO training tested Airmen with various emergency situations including chemical attack, unexploded ordnance and self-aid and buddy care. (U.S. Air Force photo by Senior Airman Peter Reft/Released)