U.S. Air Force Airman 1st Class Anthony Goodwin, fuels laboratory technician with the 52nd Logistics Readiness Squadron, pours a jet fuel sample into a solids filter inside the fuels laboratory on Spangdahlem Air Base, Germany, Nov. 7, 2012. After filtration, the fuel is recycled and reintroduced into the main storage tank for future use in aircraft and diesel engine equipment. (U.S. Air Force photo by Airman 1st Class Dillon Davis)