Military working dog Roko awaits his handler’s command during a MWD demonstration at Minot Air Force Base, N.D., July 25, 2013. The 5th Security Forces Squadron K-9 section is responsible for providing immediate explosive and drug detection in support of the base’s resources and security for more than 12,000 residents. (U.S. Air Force photos/Senior Airman Brittany Y. Auld)