For the first time in more than five decades, the world’s two largest nuclear powers are operating without a single legally binding limit on their strategic arsenals. New START, the last remaining US-Russia arms control treaty, expired on February 5, 2026, marking one of the most significant setbacks for arms control and disarmament in modern history. Background Arms control in international relations refers to the set of agreements, treaties, and verification mechanisms that states use to limit the development, testing, and deployment of weapons, particularly weapons of mass destruction. The…
Read MoreArms Control in 2026: What Happens Now That New START Has Expired
