U.S. Air Force Airman 1st Class Charles Burnett, 52nd Logistics Readiness Squadron Fuels Management Flight fuels journeyman, uses laboratory equipment to test fuel quality at the FMF laboratory May 4, 2021, at Spangdahlem Air Base, Germany. The FMF is responsible for certifying the quality of all different types of fuel on Spangdahlem AB to ensure the safety of Airmen and equipment during everyday operations. (U.S. Air Force photo by Tech. Sgt. Maeson L. Elleman)