Putin Withdraws from U.S. Plutonium Disposal Agreement

On October 27, 2025, Russian President Vladimir Putin signed a law formally withdrawing Russia from the Plutonium Management and Disposition Agreement (PMDA) with the United States. This agreement, originally signed in 2000 and ratified in 2011, mandated both nations to dispose of 34 metric tons of weapons-grade plutonium, a quantity sufficient for thousands of nuclear warheads. The intent was to convert this plutonium into fuel for civilian nuclear power plants, thereby reducing Cold War-era stockpiles.

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The PMDA was designed to address the proliferation risks associated with excess plutonium following the dismantling of nuclear warheads after the Cold War. However, Russia suspended its participation in the agreement in 2016, citing "unfriendly actions" by the U.S., including economic sanctions and NATO expansion. Moscow accused Washington of failing to meet its obligations under the agreement, particularly regarding the method of plutonium disposal, which the U.S. shifted from recycling to immobilization and burial.

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The Russian parliament passed the bill to terminate the PMDA in early October 2025, with the State Duma approving it on October 8 and the Federation Council on October 22. The formal withdrawal follows a series of escalating tensions between Russia and the U.S., particularly regarding the ongoing war in Ukraine. President Trump had recently canceled a planned peace summit with Putin, expressing frustration over Russia's unwillingness to negotiate a peace deal.

Moscow Times

The termination of the PMDA marks the end of one of the last remaining post-Cold War nuclear security agreements between the two nations, further straining the already fragile framework of nuclear arms control. This decision coincides with Russia's successful test of the Burevestnik nuclear-powered cruise missile, which drew criticism from President Trump, who urged Putin to focus on resolving the conflict in Ukraine.

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Critics of the withdrawal argue that it undermines global nuclear security and escalates tensions between the U.S. and Russia. The U.S. government has expressed concerns that the end of the PMDA could lead to an increase in nuclear proliferation risks. Furthermore, the lack of a formal agreement to maintain limits under the New START treaty, which is set to expire on February 5, 2026, raises additional concerns about future arms control.

Kyiv Independent

In response to the withdrawal, U.S. President Donald Trump stated that the move was "not appropriate" and emphasized the need for Russia to engage in peace talks regarding Ukraine. The Russian government, however, maintains that the U.S. has violated the terms of the PMDA, justifying its decision to withdraw.

Kyiv Independent

While the U.S. estimates that the PMDA could have led to the destruction of material sufficient for 17,000 nuclear weapons, Russia contends that the U.S. approach to plutonium disposal was a breach of the agreement. The differing interpretations of the agreement's implications highlight the complexities surrounding nuclear disarmament discussions.

Kyiv Independent

As the geopolitical landscape continues to evolve, the future of nuclear arms control remains uncertain, particularly with the impending expiration of the New START treaty. The international community will be closely monitoring developments as both nations navigate their strained relations and the implications for global security.

Kyiv Independent