Col. Cam LeBlanc, Director of the 4th Air Force Logistics Division, congratulates Chief Master Sgt. Thomas Tschida, 4th Air Force Logistics Division, during Chief Tschida's Feb. 12, 2011 retirement ceremony at the March Air Reserve Base’s Cultural Resources Center. Chief Tschida retired after 33 years of military service. (U.S. Air Force photo/Staff Sgt. Matthew Smith)