July 20, 2017 26 staff sergeants in the Air Force Medical Service promoted to technical sergeant The Air Force has selected 8,167 staff sergeants for promotion to technical sergeant out of 25,552 eligible for a selection rate of 31.96 percent in the 17E6 promotion cycle. Officials selected 1,719 Airmen with a Promote Now recommendation for 21.05 percent of the total selects, 2,268 Airmen with