A soldier from the 3rd Brigade, 1st Cavalry Division carries his bag to begin his trip back to the United States at Camp Virginia, Kuwait December 20, 2011. The 3rd Brigade, 1st Cavalry Division was the last U.S. Military unit to depart Iraq and is processing to return to Fort Hood, Texas. REUTERS/Lucas Jackson (KUWAIT – Tags: MILITARY POLITICS TPX IMAGES OF THE DAY)