Techs test, keep fuel clean
Senior Airman David Anastasio, 354th Logistic Readiness Squadron fuels lab technician, adds a sample to a jar, to test the gravity of the fuel April 10, 2014, Eielson Air Force Base, Alaska. Technicians test up to 10 samples per day for water, particulate matter, gravity and other important factors. (U.S. Air Force photo by Staff Sgt. Shawn Nickel/Released)