Staff Sgt. Travis Rhoad, 11th Security Support Squadron military working dog handler, prepares to leave for patrol with Cchango, MWD, at Joint Base Andrews, Md., May 14, 2020. Along with patrolling, MWDs can have the capability to detect explosives and drugs. Police Week is held annually during whichever week May 15th falls to honor all law enforcement officers past and present. (U.S. Air Force photo by Airman 1st Class Spencer Slocum)