Army Gen. Lloyd J. Austin III, left, commander of U.S. Central Command, speaks about Army Gen. John F. Campbell, the outgoing commander of U.S. Forces Afghanistan and NATO’s Resolute Support Mission, and Army Gen. John W. Nicholson Jr., the incoming commander, during the change-of-command ceremony in Kabul, Afghanistan, March 2, 2016. Air Force photo by Staff Sgt. Tony Coronado