https://en.wikipedia.org/wiki/Sukhoi_Su-35
http://roe.ru/eng/catalog/aerospace-systems/fighters/su-35/
https://lf5422.blog/?s=Su-35
https://en.wikipedia.org/wiki/Sukhoi_Su-57
https://lf5422.blog/?s=Su-57
Why India May Never Buy Russian Su-57 Fighter Jet Despite Being Stealthy, 5th-Gen & A Great Dogfighter?