U.S. Air Force Staff Sgt. John Makripodis, 4th Security Forces Squadron military working dog handler, applies self aid buddy care to a moulage victim during an active shooter exercise on Seymour Johnson Air Force Base, N.C., Feb. 4, 2013. Self aid buddy care is a firsthand response to aiding injured personnel until medical treatment can be administered. (U.S. Air Force photo/Airman 1st Class John Nieves Camacho/Released)