U.S. Marine Corps Staff Sgt. Jonathan Collins with Alpha Company, 1st Battalion, 5th Marine Regiment laughs and jokes with an Afghan boy during a key leader engagement in the Nawa district of Helmand province, Afghanistan, on July 30, 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 counterinsurgency operations. They will train and mentor Afghan National Security Forces to improve security and stability in the country.