U.S. Army Sgt. Troy Stiner puts a leash back on his military working dog Ruby after retrieving a training aid as part of a demonstration of the capabilities of military working dogs to Iraqi police trainees at the Diwaniyah Police Academy in Diwaniyah, Iraq, Feb. 9, 2009. U.S. Army Sgt. Troy Stiner puts a leash back on his military working dog Ruby after retrieving a training aid as part of a demonstration of the capabilities of military working dogs to Iraqi police trainees at the Diwaniyah Police Academy in Diwaniyah, Iraq, Feb. 9, 2009. SHARE: Download: Full Size (8.58 MB) Tags: Photo Essays Credit: VIRIN: 753550-H-YSX10-017.jpg Photo Gallery