312 AS
Col. Matt Burger, 349th Air Mobility Wing commander, presents Lt. Col. Katarina Bentler with her certificate of retirement during a ceremony held here at Travis during August A flight. Bentler, the 312th Airlift Squadron operations group chief of training, bid farewell to her fellow wing members after 31 years of service. (U.S. Air Force photos/Senior Master Sgt. Robert L. Wade)