Puppy in Training Yenky, a military working dog, bites dog handler Air Force Senior Airman Justus Johnson in a community pool during water aggression training in Sedalia, Mo., Sept. 2, 2025. The training was designed to familiarize military working dogs with an atypical environment and enhance the capability to apprehend a target in water. SHARE: Download: Full Size (1.62 MB) Tags: dogs, air force, training Credit: Air Force Staff Sgt. Joshua Hastings VIRIN: 250902-F-XP318-1209M.JPG Photo Gallery