Russia has always placed a doctrinal emphasis on extreme maneuverability, usually at the expense of certain stealth features. The Su-57 Felon is Russia’s first fifth-generation fighter. But unlike ...

The open weapon bay appears to show two weapons stations, which can hold either two air-to-air or air-to-ground weapons. Another similar weapon bay lies ahead, between the air intakes, and two side ...

Washington’s analysts constantly judge the Su-57 through an F-22 or F-35 lens. Russia doesn’t fight that way. Their defense strategy—as seen in Ukraine thus far—is fundamentally one of attrition: ...