U.S. Air Force Airman 1st Class Brelee Mercer, 33rd Maintenance Group maintenance scheduler, plans the weekly maintenance calendar at Eglin Air Force Base, Florida, March 9, 2021. The autonomic logistics information system (ALIS) provides the information technology background that allows operators to plan maintenance for the aircraft. (U.S. Air Force photo by Senior Airman Heather LeVeille)