The 49th MXG Changes Command
(Center) Col. Thomas Preston, incoming 49th Maintenance Group commander, renders a salute to Col. Joseph Campo, 49th Wing commander, as he assumes command of the 49th MXG, May 15, 2020, on Holloman Air Force Base, N.M. Preston was previously assigned to the U.S. European Command J4 as the operational logistics division chief in Stuttgart, Germany. (U.S. Air Force photo by Staff Sgt. Christine Groening)