An U.S. Army military working dog, Andy, searches among rubble and trash outside a target building, during a joint operation with the Iraqi Army and U.S. Soldiers of 5th Squadron, 73rd Cavalry Regiment, 3rd Brigade Combat Team, 82nd Airborne Division, in Rusafa, eastern Baghdad, Iraq, Feb. 28, 2009. The Soldiers are searching for weapons caches and targeted insurgents. (U.S. Army photo by Staff Sgt. James Selesnick/Released) (Photo seen on http://www.visualintel.net)

An U.S. Army military working dog, Andy, searches among rubble and trash outside a target building, during a joint operation with the Iraqi Army and U.S. Soldiers of 5th Squadron, 73rd Cavalry Regiment, 3rd Brigade Combat Team, 82nd Airborne Division, in Rusafa, eastern Baghdad, Iraq, Feb. 28, 2009. The Soldiers are searching for weapons caches and targeted insurgents. (U.S. Army photo by Staff Sgt. James Selesnick/Released) (Photo seen on http://www.visualintel.net)