U.S. Marine Corps Gen. Joseph F. Dunford Jr., right foreground, embraces Army Gen. Lloyd J. Austin III, the commander of U.S. Central Command, during the International Security Assistance Force and U.S. Forces-Afghanistan change of command ceremony Aug. 26, 2014, in Kabul, Afghanistan. During the event, Dunford relinquished command to Army Gen. John F. Campbell, left.