Staff Sgt. Patrick Leach, 100th Maintenance Squadron aircraft fuels systems craftsman, uses the Pressurized Leak Detection Cup he designed Feb. 14, 2020, at RAF Mildenhall, England. The device has reduced leak detection time in fuel tanks by 75 percent and can potentially save the base more than $1 million annually. (U.S. Air Force photo by Airman 1st Class Joseph Barron)