Country Resources

April 1, 2026

Special envoy Steve Witkoff’s failure to learn the nuclear file and surround himself with technical experts to negotiate a deal is a diplomatic disservice.

April 1, 2026

But it is unclear if Tehran is willing to negotiate or if Israel would agree to a ceasefire.

April 1, 2026

The agency has set ambitious targets for increasing nuclear weapons production.

April 1, 2026

The new study will look at strategic force requirements and potential additional theater nuclear weapons programs.

April 1, 2026

New U.S. Short-Range Missile Fired Against Iran

April 1, 2026

Pentagon Labels AI Company Supply Chain Risk

March 16, 2026

The Trump administration has signaled its focus on a multilateral approach to arms control following the expiration of New START, with the involvement of China a key priority. Join panelists Mallory Stewart, Tong Zhao, and Thomas Countryman to discuss practical next steps.

March 10, 2026

U.S. President Donald Trump continues to allege, without evidence, that Iran’s nuclear program posed an imminent threat to the United States. The following are answers to frequently asked questions about Iran’s proliferation risk and nuclear security issues.

March 3, 2026

U.S. President Donald Trump and senior administration officials have offered conflicting justifications for the renewed U.S. strikes on Iran, including the claim that Iran’s nuclear and  missile programs posed an imminent threat to the United States. There is no evidence, however, to support those claims. Read this issue brief for answers to FAQs on these claims.

March 1, 2026

The U.S.-Israeli military operation prompted Iranian counterstrikes and occurred two days after U.S. and Iranian negotiators met in Geneva for negotiations on a nuclear deal.

March 1, 2026

For the moment, however, the two nuclear superpowers are left with no legally binding curbs on deploying their strategic nuclear weapons.

March 1, 2026

It was the first direct U.S. accusation of a violation of China’s obligations as a signatory to the 1996 Comprehensive Test Ban Treaty.

March 1, 2026

The bilateral agreement may allow some type of uranium enrichment by Riyadh, according to a Trump administration report seen by Arms Control Today.

March 1, 2026

Congress passed a total defense budget of $1.05 trillion for fiscal year 2026, including $3.9 billion for Department of Energy nuclear weapons activities.

March 1, 2026

Congress authorized $57 million this fiscal year for the new weapon, which is designed to destroy hard and deeply buried targets.