Congratulations to Tyndall's newest medical group officer promotees Published Dec. 10, 2012 325th Fighter Wing Public Affairs TYNDALL AIR FORCE BASE, Fla. -- Congratulations to Tyndall's newest colonel-selects: Lt. Col. Christopher Garza, 325th Aerospace Medicine Squadron Lt. Col. Yvonne Sculley, 325th Medical Group Lt. Col. Robert York, 325th AMDS Congratulations to Tyndall's newest lieutenant colonel-select: Maj. Jack Chung, 325th AMDS Congratulations to Tyndall's newest major-select: Capt. Petrenia Davis, 325th AMDS