U.S. Marines with Bravo Company, 1st Battalion, 5th Marine Regiment and Afghan National Police officers conduct a security patrol through the Nawa district of Helmand province, Afghanistan, on Aug. 3, 2009. Marines with 1st Battalion, 5th Marine Regiment, Regimental Combat Team 3, 2nd Marine Expeditionary Brigade-Afghanistan are deployed to support NATO's International Security Assistance Force and will participate in counter insurgency operations. They will train and mentor Afghan National Security Forces to improve security and stability in the country.