Military working dog Nirvana bites Staff Sgt. Ben Rodriguez, 45th Security Forces Squadron, Patrick Air Force Base, Fla., military working dog handler, during a demonstration led by Staff Sgt. Monica Bizallion, 11th Security Forces Support Squadron military working dog handler, May 13, 2015, as part of National Police Week at Joint Base Andrews, Md. Team Andrews utilizes more than 30 MWDs to help protect the base, residents and flight line. (U.S. Air Force photo by Senior Airman Preston Webb)