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

Russia's fifth-generation Su-57 stealth fighter has successfully completed its first test flight powered by the new, advanced Izdeliye 177 engine ...

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

Recently, the Russian defense industry introduced a new jet engine called "Izdeliye 177" (Product 177) for the ...