** FILE ** U.S. Army soldiers with 1st Brigade, 1st Cavalry Division stand near their armored vehicles before they start their journey home at Contingency Operating Site Kalsu, about 55 kilometers (35 miles) south of Baghdad, Iraq on Monday, Dec. 5, 2011. (AP Photo/Khalid Mohammed)
**FILE** U.S. Army soldiers from the 1st Cavalry Division, the last American unit to leave Iraq, arrive at Camp Virginia in Kuwait. (Associated Press)
**FILE ** U.S. Army soldiers from the 1st Cavalry Division, the last American unit to leave Iraq, arrive at Camp Virginia in Kuwait on Sunday. (Associated Press)
The last convoy of solders from the U.S. Army's 3rd Brigade, 1st Cavalry Division, crosses the border from Iraq into Kuwait on Sunday, Dec. 18, 2011. (AP Photo/Maya Alleruzzo)
**FILE** U.S. Army soldiers from the 1st Cavalry Division, the last American unit to leave Iraq, arrive at Camp Virginia in Kuwait. (Associated Press)
The last convoy of solders from the U.S. Army's 3rd Brigade, 1st Cavalry Division, crosses the border from Iraq into Kuwait on Sunday, Dec. 18, 2011. (AP Photo/Maya Alleruzzo)
In this Saturday, Dec. 17, 2011, photo, a U.S. Army soldier from 3rd Brigade, 1st Cavalry Division, based at Fort Hood, Texas, sits on top of his armored vehicle at Camp Adder during final preparations for the last American convoy to leave Iraq. The U.S. military says the last American troops have left Iraq as the nearly nine-year war ends. (AP Photo/Maya Alleruzzo)
A Kuwaiti border guard watches a convoy from the U.S. Army's 3rd Brigade, 1st Cavalry Division crossing the border from Iraq into Kuwait, Sunday, Dec. 18, 2011. The brigade's special troops battalion are the last American soldiers to leave Iraq. The U.S. military says the last American troops have left Iraq as the nearly nine-year war ends. (AP Photo/Maya Alleruzzo)
HOMEWARD BOUND: Soldiers with the 1st Cavalry Division show appreciation for the band Filter as they relax Thursday at Camp Virginia, Kuwait, where they await deployment home after leaving Iraq. (Associated Press)
