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 are trained to be a composed, discriminating, controllable animal for detecting intruders and subsequent aggressive attack when commanded by their handlers. (U.S Air Force photo by Senior Airman Anthony Nin Leclerec)