Dec. 8, 2020 Air Force releases 20E9, 20S9 promotion cycle statistics Air Force officials have selected 518 senior master sergeants for promotion to chief master sergeant
Nov. 23, 2020 Air Force selects 520 in chief master sergeant promotion cycle; list posts Dec. 8 Air and Space Force officials have selected 520 senior master sergeants for promotion to chief master sergeant in the 20E9 and 20S9 promotion cycles.