Russia's Su-57 Fleet at 25 Fighters Amid Sanctions and Stealth Concerns
As of early 2026, Russia's Sukhoi Su-57 Felon fleet consists of only 20 to 25 operational jets, impacted by sanctions and production issues. In contrast, Lockheed Martin delivered a record 191 F-35s in 2025, highlighting the disparity in fifth-generation fighter capabilities. The Su-57, with a radar cross-section significantly larger than the F-35, is being relocated to avoid Ukrainian drones. Russia's United Aircraft Corporation has not confirmed substantial Su-57 production, and its stealth classification is debated among experts.

By early 2026, the Russian Aerospace Forces operate only 20 to 25 Sukhoi Su-57 Felon jets, which is fewer than the aircraft wing of a typical U.S. Navy carrier. Western sanctions and a struggling economy have paralyzed the Su-57 program, contrasting sharply with Lockheed Martin's record production of 191 F-35s in 2025.
The Su-57's stealth capabilities are questioned, with a radar cross-section reportedly 1,000 times larger than that of the F-35. Most of the operational Su-57s are stationed at Dzyomgi Air Base to evade Ukrainian drones, while Russia's United Aircraft Corporation has not disclosed any significant production figures amid ongoing supply chain issues. The aircraft's classification as a fifth-generation fighter is debated due to perceived shortcomings.




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