The Pressurized Leak Detection Cup sits on a table Feb. 14, 2020, at RAF Mildenhall, England. Designed by Staff Sgt. Patrick Leach, 100th Maintenance Squadron aircraft fuels systems craftsman, the device reduces the time needed to detect leaks within the fuel tanks of KC-135 Stratotankers. (U.S. Air Force photo by Airman 1st Class Joseph Barron)