An Iowan was among three Marines killed in Afghanistan late last week. The Department of Defense announced today that the three Marines died last Friday while conducting combat operations in Helmand province, located in southern Afghanistan. An Iowan, Lance Corporal Adam Wolff, was among those killed. The 25-year-old Wolff was from Cedar Rapids. The other Marines were from 34-year-old Staff Sgt. David Stewart of Stafford, Virginia; 19-year-old Lance Cpl. Brandon Garabrant of Peterborough, New Hampshire. All three Marines were assigned to the 2nd Combat Engineer Battalion (Forward) in the 2nd Marine Division, a unit based at Camp Lejeune, North Carolina. Details about exactly how the Marines died have not been released. Stewart most recently deployed to Afghanistan in April, while Garabrant and Wolff deployed in March.