New START Nuclear Pact Lapses as U.S. Rejects Arms Race Fears
The New START treaty, signed in 2010 and entered into force in 2011, has now expired. The agreement had set verifiable limits on the number of deployed strategic nuclear warheads and the delivery systems, like missiles and bombers, for them. U.S. Secretary of State Marco Rubio, commenting on the treaty's end on February 5, 2026, stated that this step does not signal the start of a U.S.-led arms race. He emphasized it merely acknowledges Russia's failure to comply, after Moscow suspended its participation in the treaty back in 2023. This leaves the world's two largest nuclear powers without a functioning arms control framework for the first time in decades.
Rubio argued that fears of a new arms race ignore the reality that Russia has not been adhering to the treaty's terms for an extended period. The Secretary of State also stressed that a new strategic era demands a fresh approach to security, noting the U.S. may soon face not one, but two nuclear peers in Russia and an increasingly capable China. The expiration removes critical legal mechanisms for monitoring and verifying the nuclear arsenals of the major powers, creating a significant gap in global stability.
Implications for Global Nuclear Arms Control
The lapse of the New START treaty carries major implications for global security by stripping away the last major tools for transparency and inspection of nuclear stockpiles. In an environment of rising tensions among the U.S., Russia, and China, the urgent work now lies in developing new arms control mechanisms to prevent conflict escalation and maintain international stability. This underscores the critical need for renewed diplomatic efforts to re-establish dialogue between major powers on nuclear security, a cornerstone of strategic stability since the Cold War.