K-9 KATYA U.S. Air Force Staff Sgt. Justin Aycock spends a quiet moment alone with his military working dog Katya before training on Contingency Operating Base Adder, Dhi Qar, Iraq, Sept. 24, 2009. Aycock is assigned to the 52nd Security Forces Squadron, and provided demonstrations to the Iraqi Police on explosives searching techniques. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 359385-O-PCS90-996.jpg Photo Gallery