U.S. Army Command Sgt. Maj. John Wayne Troxell, Senior Advisor to the Chairman of the Joint Chiefs of Staff, briefs Airmen of the Paul W. Airey NCO Academy during an all-call at Tyndall Air Force Base, Fla., April 23, 2018. As the SEAC, Troxell serves as a spokesperson to leaders and organizations on applicable issues affecting the total enlisted force. (U.S. Air Force photo by Airman 1st Class Solomon Cook/Released)