With a price tag only one-third that of the F-35 but boasting a Mach 2.1 speed and a massive weapons bay, the Su-75 Checkmate is becoming a new nightmare for Western rivals, redefining the game.

We explore the Su-75 Checkmate, Russia’s upcoming fifth-generation stealth fighter. Designed as a lighter, cheaper alternative to the Su-57 and a direct competitor to the F-35, the Su-75 combines ...