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