Tech. Sgt. Jeffrey Hutchison, 620th Ground Combat Training Squadron combat arms noncommissioned officer-in-charge, charges a rolling convoy while posing as an opposing force team member during the Road Warrior exercise at Camp Guernsey, Wyo., Oct. 19, 2012. The Op-4 teams provide realistic threat scenarios to airmen learning how to properly safeguard, transport and recover a nuclear resource. (U.S. Air Force photo by Senior Airman Jarad A. Denton/Released)