Pup Patrol Air Force Senior Airman Collin English trains military working dog Eper at the U.S. Air Force Academy in Colorado Springs, Colo., Dec. 18, 2024. SHARE: Download: Full Size (2.89 MB) Tags: dogs, Air Force Credit: Trevor Cokley, Air Force VIRIN: 241218-F-XS730-1002M.JPG Photo Gallery