Col. James Katrenak, 28th Maintenance Group commander, engages targets during the shotgun portion of the “O-6 Shootout” at Ellsworth Air Force Base, S.D., May19, 2011. The competition promoted camaraderie between military and local law enforcement agencies, and was one of a variety of events which took place during National Police Week. (U.S. Air Force photo/ Senior Airman Adam Grant)