Assistant Secretary of State Christopher Yeaw on the End of the New START Treaty

On February 5, 2026, the United States’ last bilateral nuclear arms control agreement with Russia, the New Strategic Arms Reduction Treaty (New START), expired after 14 years. Russia had been violating the terms of the agreement since 2023.Secretary of State Marco Rubio recently reaffirmed President Donald Trump’s commitment that “future arms control must address not one, but both nuclear peer arsenals.” Rubio also said that even as the United States remains open to diplomacy, it will maintain a “robust, credible, and modernized nuclear deterrent.”Join Senior Fellow Dr. Rebeccah Heinrichs and Assistant Secretary of State for Arms Control and Nonproliferation Dr. Christopher Yeaw for a discussion on the administration’s priorities for arms control, nonproliferation, and strategic deterrence in an era of complex nuclear threats.