The Su-57 was designed to be Russia’s answer to the F-22 Raptor—a fifth-generation stealth fighter that could dominate the skies. But with few units in active service, delays in production, and ...

Russia has suspended production of Su-57 Felon fighter jets, with Western sanctions being the primary reason, despite ...

Russia selling Su-57s to Iran would fundamentally complicate Israel’s chance to strike Iranian nuclear sites. But that does not seem to be what’s at play—yet.