U.S. Air Force Rendi, 633rd Security Forces Squadron military working dog apprehends Senior Airman Anthony Seretis, 633rd Security Forces Squadron military working dog handler at Joint Base Langley-Eustis, Virginia, March 08, 2019. MWDs dogs are trained not to be disturbed by the approach of people and to discriminate between a threat and acceptance of others by the handler. (U.S Air Force photo by Senior Airman Anthony Nin Leclerec)