Taking Measurements Air Force Staff Sgt. Andrew Drake measures the fuel system icing inhibitor at Ramstein Air Base, Germany, Jan. 19, 2022. The fuel system icing inhibitor prevents the formation of ice crystals in aviation fuel lines. SHARE: Download: Full Size (1.1 MB) Tags: Air Force Credit: Air Force Airman Edgar Grimaldo VIRIN: 220119-F-VY348-2029A.JPG Photo Gallery