To become a Chief Master Sergeant in the United States Air ... Considered the second tier of the Air Force, NCO ranks a ...

The U.S. 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.

The Air Force has selected 472 senior master sergeants for promotion to chief master sergeant during the 17E9 promotion cycle. The chief master sergeant promotion list is available on the Air ...