U.S. Air Force Combat Controllers assigned to the 22nd Special Tactics Squadron, and U.S Air Force loadmasters assigned to the 1st Special Operations Group, strap down the all-terrain vehicle during Emerald Warrior 2014 at Hurlburt Field, Fla., May 6, 2014. Emerald Warrior is an annual, joint exercise to train special operations, conventional and partner nation forces in combat scenarios designed to hone special operations air and ground combat skills, and is the Department of Defense's only irregular warfare exercise. (U.S. Air Force photo by Senior Airman Colville McFee/Released)