Marines Clear Near Marjah

U.S. Marine Corps Sgt. Steven Roberts with Charlie Company, 1st Battalion, 3rd Marine Regiment, checks his position on his global positioning system during a patrol near Marjah, Afghanistan, Feb. 21, 2010. Marines frequently stop to check their position and to broadcast it to friendly units in the area. (U.S. Marine Corps photo by Cpl. Albert F. Hunt/Released)