National Security Journal on MSN

Russia’s Su-57 Felon stealth fighter just got the 'supercruise' engine it always needed

Russia is spotlighting the Su-57’s new 177S/AL-51F1 “fifth-generation” engine after its Dubai debut. -Early Su-57s flew with ...
National Security Journal on MSN

Russia’s Su-57 Felon stealth fighter just got the engine it always needed

Russia’s Su-57 began life powered by the AL-41F1/117S, a deeply modernized Su-27 engine used as a stopgap while a true ...