U.S. Air Force Senior Airman Travis Mackey, assigned to the 775th Civil Engineering Squadron, Explosive Ordnance Disposal team, scans the mountain side for a reported mortar during a training exercise near the Utah Test and Training Range, March 24, 2014. The training is based on experiences from overseas missions where EOD specialist have hiked over 20 kilometers a day, with limited supplies, and still safely disarm improvised explosive devices. (U.S. Air Force photo by Airman Taylor Queen/Released)