U.S. Marines with Bravo Company, 1st Battalion, 5th Marine Regiment provide security for fellow Marines during a security patrol in the Nawa district of the Helmand province, Afghanistan, on Oct. 20, 2009. Marines conduct security patrols to decrease insurgent activity and gain the trust of the Afghan people. The 1st Battalion, 5th Marine Regiment is a combat element of Regimental Combat Team 3, which conducts counterinsurgency operations in partnership with Afghan National Security Forces in southern Afghanistan.