A KC-135 Stratotanker sits in the 6th Maintenance Squadron (MXS) hangar at MacDill Air Force Base, Fla., Nov. 25, 2019. Home of the 6th MXS “Tank Divers,” aircraft fuels systems technicians maintain the fuel cells of all 24 KC-135s assigned here. (U.S. Air Force photo by Airman 1st Class Ryan C. Grossklag)