 Complete the following phrase:  U.S. Marines served in the Iraq War, along with its sister services. The I Marine Expeditionary Force, along with the U.S. Armys 3rd Infantry Division, spearheaded the Operation Iraqi Freedom. The Marines left Iraq in the summer of 2003 but returned in the beginning of 2004. They were given responsibility for the Al Anbar Province, the large desert region to the west of Baghdad. During this occupation, the Marines lead assaults on the city of Fallujah in April Operation Vigilant Resolve and November 2004 