U.S. Air Force Staff Sgt. Devin Tiger, a 386th Expeditionary Security Forces Squadron military working dog handler, and Nido, MWD, wait for the next scenario during a National Police Week K-9 demonstration event at an undisclosed location in Southwest Asia, May 14, 2015. The demonstration was held during National Police Week to honor fallen law enforcement officers, fellow Airmen and MWDs who paid the ultimate sacrifice in the line of duty. (U.S. Air Force photo by Senior Airman Racheal E. Watson/Released)