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 ...

Russia has begun flight testing a new engine for its Su-57 fighter, aiming to improve performance, increase production, and support future exports.

Russia is signaling a new phase in its combat aviation program with the unveiling of a fifth generation fighter engine that officials say will enable sustained supersonic flight without afterburner.

Russia’s state-owned technology corporation Rostec has begun flight testing a new powerplant for the Sukhoi Su-57 fighter, which the conglomerate describes as a “fifth-generation” engine. The new ...