Three technical sergeants graduate NCOA Published April 20, 2009 460th Space Wing Public Affairs PETERSON AIR FORCE BASE, Colo. -- Three Buckley technical sergeants graduated from the Forrest L. Vosler Noncommissioned Officer Academy here, in a ceremony April 9 at the base club. The graduates included: Kristel Hallsson, 460th Operations Support Squadron Sean Dy Foon, 460th Space Communications Squadron Diana Wilkins, 460th Space Wing