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.

Despite being touted as a Russian fifth-generation fighter aircraft to rival its US equivalent, the Su-57 was plagued by development delays and a crash in 2019. open image in gallery A Russian ...

Despite being touted as a Russian fifth-generation fighter aircraft to rival its U.S. equivalent, the Su-57 was plagued by development delays and a crash in 2019. According to its manufacturer ...

The sighting of a Russian Su-57 Felon stealth fighter in Iran in late February 2025 was noteworthy for several reasons. One reason was that it served as an indirect reminder that Iran lags far ...