U.S. Marine Corps Gen. Joseph F. Dunford Jr., right, the outgoing commander of the International Security Assistance Force and U.S. Forces-Afghanistan, shakes hands with Supreme Allied Commander Europe U.S. Air Force Gen. Philip Breedlove during a change of command ceremony in Kabul, Afghanistan, Aug. 26, 2014. Dunford formally relinquished command to U.S. Army Gen. John F. Campbell during the event.