U.S. Air Force Senior Airman Douglas Lewis, 824th Base Defense Squadron, top, and Staff Sgt. Ronald Gazboda, 823rd Base Defense Squadron, battle for dominant position during an Air Force Combatives Instructor Course at Moody Air Force Base, Ga., Aug. 23. During the five-day course, students learn and train on a variety of stand-up and ground techniques they can use when in a combat situation. (U.S. Air Force photo by Staff Sgt. Jamal D. Sutter)