Master Sgt. Scott Ferrara, 403rd Mission Support Group superintendent of the fuels management branch, adjusts meter displays that measure fuel level, temperature and water content of the fuel issue tanks, June 8, 2019, Keesler Air Force Base, Mississippi. Petroleum, oil and lubricants team members handle, store, test, and distribute jet fuel, liquid oxygen and liquid nitrogen to aircraft on the flightline. (U.S. Air Force photo by Tech Sgt. Michael Farrar)