A U.S. Air Force C-17 prepares to depart Iraq with U.S. Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, Jan. 8, 2016. During the trip, Dunford met with U.S. and coalition leaders in Germany, Iraq and Turkey to assess the progress of counter-ISIL efforts. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro