The U.S. Air Forces Central Command guide-on is passed to Lt. Gen. John W. Hesterman III by presiding officer U.S. Army Gen. Lloyd J. Austin, commander U.S. Central Command, during a change of command ceremony July 11, 2013, at Shaw Air Force Base, S.C. Changes of command are a military tradition representing the transfer of responsibilities from the presiding officials to the upcoming official. Approximately 1,000 service members, civil servants, community leaders, and their families, attended the event. (U.S. Air Force photo/Airman 1st Class Ashley L. Gardner)