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 ...
Megaprojects on MSNOpinion

Russia’s fifth generation fighter that never took off

We take a hard look at Russia’s Su-57 and why a jet designed to rival the F-35 has barely appeared in real combat. From its ...