Soldiers from the 3rd Brigade Combat Team, 1st Cavalry Division walk past a line of Mine Resistant Ambush Protected (MRAP) vehicles while waiting at a staging area in Camp Adder to be part of the last U.S. military convoy to leave the country near Nasiriyah, Iraq on December 17, 2011. REUTERS/Lucas Jackson/Pool (IRAQ – Tags: MILITARY POLITICS CONFLICT)