U.S. Marine Corps Sgt. Matthew Holzmann, with Headquarters and Service Company, 1st Battalion, 5th Marine Regiment, provides security during a patrol in Nawa District, Helmand province, Afghanistan, on July 3, 2009. The Marines are deployed to support NATO's International Security Assistance Force and will participate in counterinsurgency operations. They will train and mentor Afghan National Security Forces to improve security and stability in the country.