Staff Sgt. Edgar Cerrillo, 28th Security Forces Squadron unit orientation training instructor, fires an M-24 sniper rifle while at an outdoor shooting range in Rapid City, S.D., May 29, 2014. Cerrillo is one of three security forces Airmen selected to participate in the South Dakota advanced sniper course in June. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/ Released)