Chairman of the Joint Chiefs of Staff U.S. Army Gen. Martin E. Dempsey, center left, and Marine Corps Gen. Joseph F. Dunford Jr., center, pose for a photo with U.S. and coalition service members after 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.