U.S. Air Force Tech Sgt. Clinton Williams, 52nd Component Maintenance Squadron engine manager, walks to his corner in the fighting arena during the 12th Kwon Respect Fighting Championship in Wuppertal, Germany, April 11, 2015. Williams fought in the ninth match of 13 fights that night and faced off against Raymond Jarman, a mixed martial artist from Amsterdam. (U.S. Air Force photo by Airman 1st Class Timothy Kim/Released)