U.S. Marine Corps Sgt. Brian Kightlinger, with Bravo Company, 1st Battalion, 5th Marine Regiment, crosses a bridge over a canal during a security patrol through Nawa district, Helmand province, Afghanistan, on Aug. 22, 2009. The 1st Battalion is deployed with Regimental Combat Team 3 to conduct counterinsurgency operations in partnership with Afghan security forces in southern Afghanistan.