Air Force Staff Sgt. Heather Johnson works with her military working dog Cyndy, during a vehicle search at Minot Air Force Base, N.D., March 14, 2018. Military working dog handlers work with their dogs to perform daily procedures, including patrol, detection and scout training. Johnson is a military working dog trainer assigned to the 5th Security Forces Squadron. Air Force photo by Airman 1st Class Jonathan McElderry