Center for Arms Control and Non-Proliferation

Center for Arms Control and Non-Proliferation

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Nuclear Issues in the Ukraine Crisis

As the Russian invasion of Ukraine continues into its second year, concerns about a war breaking out between Russia and NATO countries, including the United States, continue. Our experts have answers to your most pressing questions about the nuclear risks involved in this conflict and the potential diplomatic paths forward.

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Next Up in Arms Control

New ideas and new perspectives are critical to strengthening the non-proliferation regime and arms control measures, not just to address our present, but to build a new future. That's why we're proud to launch a new blog series focused on new voices with a new angle on arms control.

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Where do we go from here?

After coming perilously close to losing all constraints on the world's two largest nuclear arsenals, the New START agreement was extended through 2026. But as both countries modernize their nuclear arsenals, the threat of a new nuclear arms race underscores the need for sensible non-proliferation and arms control cooperation.

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Test your nuclear weapons knowledge!

Don’t bomb this quiz about nuclear weapons! What do you know about U.S. and global policy?

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The United States must once again pursue diplomacy with Iran

We can make the United States and the world safer by reentering the JCPOA and putting Iran’s nuclear program back in the box.

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Nuclear-Armed States and Regional Tension

Ongoing proliferation efforts in nuclear-armed countries worldwide have escalated tensions. Transparency about nuclear stockpiles and policies is crucial to keeping us safe.

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Nuclear Crises and Close Calls

Throughout history, nuclear-armed states have almost been driven into nuclear conflict, or almost exploded nuclear weapons, or even lost nuclear bombs. As long as these weapons exist, so does the chance of an accident or crisis.

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A nonpartisan nonprofit dedicated to reducing and eventually eliminating the threats posed by nuclear, chemical and biological weapons through Congressional engagement and public education.

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Learn about stockpiles of nuclear weapons and nuclear material around the globe.

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Final Summary: Fiscal Year 2025 National Defense Authorization Act (H.R. 5009)

Table numbers in parentheses are increases or decreases from the FY25 Request  FY25 requested levels come from the Center for Arms Control and Non-Proliferation’s Fiscal Year 2025 Defense Budget Request Briefing Book  Numbers may not add due to rounding  Total National Defense Discretionary Spending Request (050)  DOD Nuclear Weapons Funding Request for Select Programs National […]

Map Shows Safest US States to Live During Nuclear War

Senior Policy Director John Erath spoke with Newsweek about safety in a nuclear war. “While those who live near military facilities, ICBM silos in the Midwest or submarine bases along the coasts might bear the most immediate and severe consequences of a nuclear attack, there’s no question: ANY nuclear war or weapons detonation would be bad […]

Could Putin Use a Nuclear Weapon in Ukraine? 3 Experts Weigh In

Senior Policy Director John Erath spoke with Newsweek about changes to Russian nuclear doctrine. John Erath, senior policy director at the nonprofit Center for Arms Control and Non-Proliferation, said that he believes Putin has already been using nuclear weapons as “instruments of diplomacy through threats and blackmail to limit the military assistance that is going […]

From VOA Russian and VOA Ukrainian: US experts analyze Moscow’s nuclear threats

Senior Policy Director John Erath spoke with VOA Russian about Moscow’s change in nuclear weapons policy and its longtime use of nuclear threats. U.S. experts are casting doubt on the effectiveness of Russia’s threat to expand the use of its new ballistic missile following publicly announced changes in Moscow’s nuclear doctrine. VOA Russian and Ukrainian […]

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