It's a hard bark life
U.S. Air Force Staff Sgt. Bryan Savella, 18th SFS military working dog handler, works on controlled aggression training with Aly, 18th Security Forces Squadron military working dog Dec. 12, 2017, at Kadena Air Base, Japan. The military working dog mission at the 18th Wing is to provide a physiological deterrence for anyone trying to gain access to an installation without proper authorization, patrolling the base and providing detection of explosives and drugs capabilities. (U.S. Air Force photo by Airman 1st Class Greg Erwin)