CANINE-ASSISTED SEARCH U.S. Army Sgt. Marvett White and his military working dog, Staff Sgt. Rex, assist Iraqi national police conduct door-to-door search operations in Ghazaliyah, Iraq, July 15, 2009. White and his dog are assigned to the 94th Engineering Detachment Canine, 5th Engineering Brigade. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 876654-Q-DHM18-624.jpg Photo Gallery