SHOW DOG Xaria, a U.S. Air Force military working dog, and trainers Rodney Sparkowich and Tim Bartlett put on a demonstration at the San Antonio Stock Show and Rodeo in Texas, Feb. 23, 2009. The men are members of the 341st Training Squadron at Lackland Air Force Base. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 835343-N-JNH46-582.jpg Photo Gallery