K-9 COMPETITION Air Force Staff Sgt. Rocky Thompson takes his military working dog, Aron, through a window obstacle during the K-9 competition on Minot Air Force Base, N.D., Aug. 14, 2013. Thompson, a military working dog handler, is assigned to the 319th Security Forces Squadron. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 320105-W-WIN42-444.jpg Photo Gallery