Time to check
U.S. Air Force Airman 1st Class Clarissa Fields, 23d Logistics Readiness Squadron petroleum, oils and lubricants, fuels a truck during a routine check at Moody Air Force Base, Ga., Aug. 7, 2012. POL is responsible for providing clean, dry fuel to aircraft assigned to Moody. (U.S. Air Force photo by Airman 1st Class Paul Francis/Released)