U.S. Air Force Staff Sgt. John Makripodis, 4th Security Forces Squadron military working dog handler, treats a moulage victim for shock during an active shooter exercise on Seymour Johnson Air Force Base, N.C., Feb. 4, 2013. The exercise helped test the response time and procedures of security forces, fire department and medical personnel. (U.S. Air Force photo/Airman 1st Class John Nieves Camacho/Released)