A dog and his handler: a working relationship
Senior Airman Tariq Russell, 21st Security Forces Squadron military working dog handler, and his partner, Ppaul, walk the flight line at Peterson Air Force Base, Colo., June 14, 2016. Along with detection, Ppaul can be used for suspect apprehension and search and rescue missions. (U.S. Air Force photo by Airman 1st Class Dennis Hoffman)