U.S. Air Force Staff Sgt. Nicholas Guillory, 489th Maintenance Squadron nondestructive inspection craftsman, dons his personal protective equipment before starting parts inspection at Dyess Air Force Base, Texas, Oct. 24, 2016. When working with chemicals in some techniques of inspection, Airmen must wear gloves, aprons, goggles and face shields to keep them safe. (U.S. Air Force photo by Airman 1st Class Rebecca Van Syoc)