U.S. Army Spc. Brian Williamson, military police officer with the 221st Military Police Detachment, performs as many situps as he can in a two minutes during the physical training portion of the 3rd Annual Pfc. James Boyd Jr. Top Cop competition at Fort Jackson, S.C., June 4, 2012. Top Cop is a national competition designed to build camaraderie between military and civilian law enforcement agencies. (U.S. Air Force photo by Tech. Sgt. Lakisha A. Croley/Released)