Fifteen years of war have turned Iraqi cities such as Ramadi, Fallujah, and Mosul into ruins. Iraq remains as divided as ever along sectarian lines, despite the deaths of more than 4,500 U.S. troops and untold numbers of Iraqis.
The US military wasn't "necessarily concerned" about limiting civilian deaths during the 2007 troop surge in Iraq, according to the Army's top general overseeing logistics.
