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 479 senior master sergeants for promotion to chief master sergeant out of 2,241 eligible for a selection rate of 21.37 percent. The chief master sergeant promotion list ...

To become a Chief Master Sergeant in the United States Air Force (USAF), you must first ... time at that rank before you are ...