ANDREWS AIR FORCE BASE, Md. -- Master Sgt. John Sibula formally known as the 927th Aerospace Ground Equipment chief, is temporarily assigned to the 459th Aircraft Maintenance Squadron after the Defense Base Closure and Realignment commission relocated his home unit from Selfridge Air National Guard Base, Mich. to Macdill Air Force Base, Fla. (U.S. Air Force photo/ Senior Airman Ashley Crawford)