Tech. Sgt. Alan Dell, 403rd Maintenance Group Maintenance Operations Center, is one of eight Airmen who work behind the scenes to coordinate and track activities dealing with aircraft or its equipment to enhance the maintenance mission’s effectiveness. The 403rd Wing is an Air Force Reserve unit at Keesler Air Force Base, Mississippi. (U.S. Air Force photo by Lt. Col. Marnee A.C. Losurdo) Share