Story · Russia
S-400: How Russia's Air Defense System Broke Alliances, Faced Challenges in Ukraine, and Became a Bargaining Chip
This analysis traces the 20-year arc of Russia's S-400 Triumf air defense system, from its reputation as a feared weapon to its role in breaking NATO alliances. The system's export to Turkey in 2017 led to Turkey's expulsion from the F-35 program and US sanctions under CAATSA. In Ukraine, the S-400 has been methodically targeted by drones, puncturing its invincible reputation. Now, in July 2026, the Kremlin confirmed talks with Turkey about the S-400's fate, while President Trump signaled possible sanctions relief and F-35 program readmission for Ankara. The article frames the S-400 as a symbol of Russian power that is now being traded away to repair the diplomatic rupture it caused.
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