U.S. Air Force Airman 1st Class Braelin Tindall, 633d Logistics Readiness Squadron petroleum, oils, and lubricants fuels distribution operator, performs a gravitational analysis at Joint Base Langley-Eustis, Virginia, June 13, 2024. The analysis is used to ensure the fuel filters are working properly to reduce the chance of the engine malfunctioning. (U.S. Air Force photo by Airman 1st Class Adisen Smith)