Updated March 26, 2026 Foreign Policy & War
Critical Rights and Rule-of-Law Concern Ongoing
New START Treaty Expires: First Time Since 1970s With No Nuclear Arms Control
The expiration of the last US-Russia nuclear arms control treaty ends over five decades of binding limits on the world's two largest nuclear arsenals. No replacement is under negotiation. The loss of verification mechanisms, data exchange, and warhead caps risks an unconstrained nuclear arms race at a time of peak geopolitical tension.