DefenceTalkRussia’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 Trade Ministry told reporters on Tuesday. “Russia’s newest fifth generation fighter, T-50, performed its maiden flight with the second stage engine on December 5, 2017, at the […]https://www.defencetalk.com/russias-su-57-fifth-generation-fighter-makes-first-flight-with-new-engine-70975/