The National Interest on MSN

Russia delivered few, if any, Su-57s in 2025

Russia had announced it would have 76 operational Su-57 Felon fighter jets in its inventory by 2027–2028. As of 2026, it ...
The Aviationist on MSN

Russia's Su-57 flies with new Izdeliye 177 'Gen. 5' engine

The development of the Izdeliye 177 appears to be driven by the need to upgrade the earlier Su-57 production models and offer a new powerplant to international customers. Russia's United Aircraft ...