Military Working Dog Andy, with 131st Military Working Dog Detachment, 615th Military Police Company , concentrates on his handler during an assault in an urban environment training hosted by the 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade at the 7th Army Joint Multinational Training Command's Grafenwoehr Training Area, Germany, Nov. 20, 2014. (U.S. Army photo by Visual Information Specialist Gertrud Zach/released)