Guatemalan marines undergo a simulated ambushed during a training exercise March 9, 2016, Guatemala, testing their ability to respond to various scenarios when conducting counter drug operations. The Guatemalan marines partnered with U.S. Marine trainers to learn basic infantry movements and squad-level team work, completing a four week training course with a final exercise. (U.S. Air Force photo by Staff Sgt. Westin Warburton/RELEASED)