Almost two and a half years of repairs paid off in January, when the Frankenjet flew for the first time, from Hill AFB to Lockheed Martin’s F-35 facility in Fort Worth, Texas. 2025 April 10, Brad Lendon, “‘Frankenjet’ stealth fighter made from two wrecked warplanes joins US Air Force fleet”, in CNN:
(abbreviation, alt-of, countable, initialism, uncountable) Initialism of acid-fast bacillus.