TASS/. Russia’s Su-57 fifth-generation stealth air superiority fighter, also known as T-50, had performed its first test flight with a new-generation engine, a source in the Russian Industry and ...

TASS/. Russia’s state hi-tech corporation Rostec has conducted 16 flights of the fifth-generation Su-57 fighter jet to test its new 2nd stage engine, Rostec Aviation Cluster Industrial Director ...