Senior Airman Michael Bullen, of the 119th Security Forces Squadron, right, faces off with his opponent during his mixed martial arts fight in the center stage fighting cage at the Freeman Arena, Detroit Lakes, Minnesota, May 16, 2015. The security forces Airman uses mixed martial arts training and fighting to enhance his fitness and skills to be better prepared in his career field and to be better prepared for potential threats on duty. (U.S. Air National Guard photo by Senior Master Sgt. David H. Lipp/Released)