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 eligible for promotion. To help ensure you get promoted after you ...