U.S. Army Col. Herbert Joliat, 633rd Air Base Wing vice commander, leads the command’s service members in offering a salute as the national anthem plays during the 633rd ABW change of command ceremony at Joint Base Langley-Eustis, Va., June 22, 2017. U.S. Air Force Col. Sean Tyler assumed command from U.S. Air Force Col. Caroline Miller after two years of service. (U.S. Air Force photo/Staff Sgt. Areca T. Bell)