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.

The Kremlin mothballed Admiral Kuznetsov, ending a refit that began more than seven years ago. Russia is the only permanent ...