AF promotes 3 of Buckley's finest to senior masters sergeant Published March 9, 2011 By Master Sgt. J. LaVoie 460th Space Wing Public Affairs BUCKLEY AIR FORCE BASE, Colo. -- This year, 12,378 master sergeants were eligible to be promoted to senior master sergeant. 1,274 were selected, which is an Air Force selection rate of 10.29 percent. For Team Buckley three master sergeants received the good news that they were eligible. They were: MSgt.s Gerry Sanders, 566th Intelligence Squadron, Bradford Blake, Aerospace Data Facility-Colorado and Gary Thurman, Air Reserve Personnel Center.