NASIRIYAH, IRAQ – DECEMBER 16: U.S. Mine Resistant Ambush Protected (MRAP) vehicles drive through Camp Adder before departing what is now known as Imam Ali Base on December 16, 2011 near Nasiriyah, Iraq. Around 500 troops from the 3rd Brigade, 1st Cavalry Division ended their presence on the last remaining American base and departed in the final American military convoy out of Iraq, arriving into Kuwait in the early morning hours of December 18, 2011. All U.S. troops were scheduled to have departed Iraq by December 31st, 2011. At least 4,485 U.S. military personnel died in service in Iraq. According to the Iraq Body Count, more than 100,000 Iraqi civilians have died from war-related violence. (Photo by Mario Tama/Getty Images)