Senior Airman Deandre Smith, 28th Security Forces Squadron response force leader (left) and John Kost, 28th SFS flight chief, participate in shoot- move-communicate training at Ellsworth Air Force Base, S.D., March 10, 2015. This training teaches Airmen how to effectively engage their target, communicate and protect each other in combat situations. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)