The three Marines were killed in northwest Anbar province during the U.S. military's current offensive begun late Saturday. Two of the Marines were killed by gunfire in the city of Qaim. One was killed Sunday and another was killed Monday.
The third Marine died Sunday of gunshot wounds inflicted in the town of Obeidi. The fourth service member was killed Sunday by gunfire near Samarra, 60 miles north of Baghdad, the military said.