Military Working Dog Brock, 100th Security Forces Squadron, looks through a concrete pipe as he prepares to run through it during an obedience training session July 11, 2017, on RAF Mildenhall, England. Brock is the only Giant Schnauzer in the Department of Defense. ( Air Force photo by Karen Abeyasekere)

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Size: 1500px × 2100px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 100th, antonio-lackland, base, dogs, forces, giant, joint, mildenhall, military, raf, san, schnauzer, security, squadron, working