The Su-57 Felon finally overcomes its stealth and thrust limitations with the first flight of the AL-51F fifth-generation engine. Watch how the new flat nozzle technology and increased thrust transform Russia's premier fighter into a true stealth contender. #Su57 #RussianAirForce #StealthFighter #AviationNews #MilitaryTech #AL51F #FifthGen #FighterJet #YouTubeShorts