U.S. Air Force Staff Sgt. Jonathon Harris, 1st Maintenance Squadron Precision Measurement Equipment Laboratory craftsman, inspects fluids for contamination using a ultraviolet light at Langley Air Force Base, Va., Sept. 23, 2014. The laboratory technicians provide regional support for inspecting contaminations in equipment used on aircrafts. (U.S. Air Force photo by Airman 1st Class Breonna Veal)