Non-destructive inspection: saving lives, equipment early on
U.S. Air Force Staff Sgt. Joel Kelehar, 100th Maintenance Squadron non-destructive inspection craftsman, inspects a KC-135 Stratotanker accumulator using a black light during a fluorescent liquid penetrant inspection Feb. 3, 2016, on RAF Mildenhall, England. NDI saves the Air Force money by ensuring aircraft parts are fixed right away and preventing any further damage to equipment. (U.S. Air Force photo by Senior Airman Christine Halan/Released)