- New $100 million F-35 stealth fighter jets can only fly supersonic for short bursts or it may start to ‘crack’: Pentagon report https://fighterjetsworld.com/latest-news/new-100-million-f-35-stealth-fighter-jets-can-only-fly-supersonic-for-short-bursts-or-it-may-start-to-crack-pentagon-report/14680/ 16 comments navy