https://www.atlanticcouncil.org/blogs/natosource/new-russian-stealth-fighter-makes-first-flight/
New Russian Stealth Fighter Makes First Flight - Atlantic Council
Jan 29, 2010 - From Reuters: Russia test-flew a long-awaited new fighter aircraft on Friday, determined to challenge the United States for technical superiority in the sk
russian stealth fighterfirst flightnewmakesatlantic