Fueling the fleet

Senior Airman John Ortiz-Morales, 403rd Logistics Readiness Squadron fuels quality control specialist, performs the particles contamination test, or bottle method, to determine if there is any sediment in the Jet A fuel sample Jan. 9, 2016, at Keesler Air Force Base, Mississippi. Fuels quality control specialists are responsible for making sure the fuel used by U.S. Air Force aircraft is fit for flight. (U.S. Air Force photo/Tech. Sgt. Ryan Labadens)