Master Sgt. Christopher Greek, 51st Security Forces Squadron flight chief, carries a simulated casualty during the confidence course Sept. 27. During the confidence course members answer knowledge questions, perform sprints, tire rolls, low crawl for 30 yards, maneuver over an 8-foot wall, litter carry and injured team member for 400 meters and compete in a weapons challenge. (U.S. Air Force photo/Senior Airman Adam Grant)