U.S. soldiers serve Thanksgiving meal for Gen. Lloyd Austin, left, the top U.S. commander in Iraq at Contingency Operating Site Echo, in Diwaniyah, 120 kilometers (80 miles) south of Baghdad, Iraq, Thursday, Nov. 24, 2011. The U.S. has promised to withdraw from Iraq by the end of the year as required by a 2008 security agreement between Washington and Baghdad. A little less than 20,000 U.S. troops are scheduled to clear out along with their equipment. (AP Photo/Khalid Mohammed)