Continuous Evolution of Russia’s Su-75 ‘Checkmate’ Stealth Jet
Su-75 Checkmate design modifications and new versions in developmentA series of patents filed by United Aircraft Corporation (UAC) with the Russian Federal Intellectual Property Service show interesting changes from the first Su-75 Checkmate design, as well as the development of a two-seat tandem version and a unmanned version.Presented to the public for the first time during the first day of the