Photos

U.S. Air Force Senior Airman Nickolaus Barnes, left, 100th Logistics Readiness Squadron fuels laboratory technician, shows Amanda Simpson, right, Deputy Assistant Secretary of Defense for Operational Energy, and Robert Warshel, center, Director of Operations, Operational Energy Plans and Programs, how shop personnel ensure only clean fuel is given to aircraft during a briefing on the bottle method test July 29, 2016, on RAF Mildenhall, England. Barnes explained how he looks for particulates in the fuel through filtration which allows him to monitor and minimize contamination in a fuel system. (U.S. Air Force photo by Gina Randall)