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Civilians get into a military truck while trying to flee from Mosul due to Islamic State heavy shelling in several areas under control of the Iraqi Army in Mosul, Iraq, Friday, Dec. 2, 2016. Most of the fighting in Mosul has been taking place in the city's eastern sector, where Iraq's special forces are making slow progress because of fears over the safety of civilians still inside the city and spirited IS resistance. (AP Photo/Manu Brabo)

Iraq War

President Obama announced on Oct. 21 that the United States is pulling all its troop from Iraq by the end of the year. (ABC News)