Dec. 6, 2018 Air Force releases chief master sergeant 18E9 promotion cycle statistics The Air Force has selected 479 senior master sergeants for promotion to chief master sergeant out of 2,241 eligible for a selection rate of 21.37 percent in the 18E9 promotion cycle.
Nov. 27, 2018 Air Force selects 479 in chief master sergeant 18E9 promotion cycle Air Force officials have selected 479 senior master sergeants for promotion to chief master sergeant out of 2,241 eligible for a selection rate of 21.37 percent.