Checkpoint U.S. Army Sgt. Chris Bussell, with the California Army National Guard and assigned to the 49th Military Police Brigade Police Transition Team at Camp Echo, Iraq, watches traffic as he helps man the Al Sedeer Iraqi Police Station vehicle checkpoint in Ad-Diwaniyah, Iraq, July 6, 2006. Members of the PTT conduct joint vehicle-search operations with Iraqi police in order to train the Iraqis on vehicle checkpoint procedures. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 530799-L-THZ24-600.jpg Photo Gallery