Tough Tyson Tyson, a military working dog, participates in water confidence training at Andersen Air Force Base, Guam, Jan. 28, 2022, during Pacific Defender, a multinational exercise that allows security forces from participating countries to exchange information and tactics. SHARE: Download: Full Size (0.63 MB) Tags: Military Working Dog, Air Force, training Credit: Air Force Airman Breanna Gossett VIRIN: 220128-F-MH881-1098C.JPG Photo Gallery