Russia’s Su-57 “Felon” has earned an infamous reputation as the worst 5th-generation fighter, and a new analysis breaks down its five fatal flaws. -The program is crippled by extremely low production ...

Russia’s Sukhoi Su-27 Flanker fighter was designed to be superior to American F-15 Eagles and F-14 Tomcats. The Flanker jet was considered a technological marvel toward the end of the Cold War 40 ...