U.S. Air Force Senior Airman Carlos Howard, 18th Security Forces Squadron military working dog handler, prepares his military working dog, KitKat, to engage a suspect Nov. 21, 2018, at Kadena Air Base, Japan. Military working dogs can be trained to aid in capturing, detaining and transporting suspects, as well as identify drugs and improvised explosive devices. (U.S. Air Force photo by Airman 1st Class Cynthia Belío)