Photo by Staff Sgt. Benjamin Mota | 434th Air Refueling Wing | 11.14.2014
Christina Looney, 434th Air Refueling contracted fuels laboratory technician, uses a B-2 refractometor to check the level of fuel system icing inhibitor in Jet-A jet fuel at Grissom Air Reserve Base, Ind., Nov. 14, 2014. Grissom routinely conducts fuel quality control to ensure fuel meets military specifications. (U.S. Air Force photo/Staff Sgt. Benjamin Mota)...