Staff Sgt. Zachary Boozel, 56th Security Forces Squadron military working dog handler, prepares his K-9, DC, for training Feb. 14, 2020, at Luke Air Force Base, Ariz. The bond created between dog and handler is a culmination of the time and dedication the handlers put into training the K-9s. Military working dogs and their handlers are responsible for protecting personnel and assets on military installations and the surrounding community. (U.S. Air Force photo by Senior Airman Caroline Burnett)