Sixteen percent of nearly 34,000 eligible staff sergeants were tapped for promotion to technical sergeant.
"Although this news may be discouraging for some, this revision is absolutely needed,” Air Force personnel boss Lt. Gen. Caroline Miller said.
Chief Master Sgt. Jamie Kohr pleaded guilty to dereliction of duty and failure to obey an order or regulation.
The 28-point proposal lists goals the service hopes to achieve by the end of 2023.