August supplemental promotion list released; 2 Peterson Airmen make the grade Published Aug. 11, 2009 By Tech. Sgt. Ray Bowden 21st Space Wing Public Affairs PETERSON AIR FORCE BASE, Colo. -- Two Peterson Airmen discovered that they had been selected for promotion when the Air Force Personnel Center released its August In-System Supplemental Release for enlisted promotions Aug. 6. The Airmen are Staff Sgt. Angela Austin, 21st Medical Support Squadron, and Tech. Sgt. Michael Chandler, 21st Operations Support Squadron. Sergeant Austin was more than a little excited to learn of her pending promotion. "I was ecstatic - it's been long time coming," she said. Sergeant Austin's promotion to technical sergeant will go into effect Sept. 1. Two other local Airmen, Special Agent Jessica Schwien, Air Force Office of Special Investigations, and Tech. Sgt. Thomas Schaefer, 13th Air Force Operations Squadron, were also selected for promotion. To review the full list of August supplemental promotion selectees, refer to the Air Force Portal. Senior noncommissioned officer supplemental board selects will be published Aug. 9. Public release of the 2009 staff sergeant promotion list is scheduled for Aug. 20.