All bite no bark
U.S. Air Force Tech. Sgt. Dwayne Stinson, 86th Security Forces Squadron K-9 unit kennel master and Staff Sgt. Jessica Elias, 86th SFS K-9 unit dog handler, train 4 year old Remco, military working dog, on the proper attack and release commands when biting a suspect, Ramstein Air Base, Germany, April, 12, 2011. The trainings purpose is to teach the military working dogs controlled aggression by simulating a fleeing suspect for the dog to restrain. (U.S. Air Force photo by Airman 1st Class Desiree Esposito)