Arms Control Association

NEWS: "Trump Forces UK to Halt Chagos Island Transfer"

The U.S. initially assented to the 2025 deal under which the UK would cede the Chagos Island archipelago, where the allies share a military base, to Mauritius, but later withdrew support. Visit https://ow.ly/TYSQ50Z8bkI for more in the June ACT.

NEWS: "Russia Tests New Heavy Missile"

After the successful test, Russia said the RS-28 Sarmat heavy intercontinental ballistic missile would be deployed on combat duty by the end of 2026. Learn more in the June 2026 :
https://www.armscontrol.org/act/2026-06/news/russia-tests-new-heavy-missile

NEWS: "Intermediate-Range Missile Deployment in Doubt"

The US decision to deploy an intermediate-range ground-launched missile unit to Germany was in question amid a dispute between US and German leaders over the Israeli-US war on Iran. See June '26 : https://www.armscontrol.org/act/2026-06/news/intermediate-range-missile-deployment-doubt

NEWS: "Trump Claims to Discuss Arms Control in China"

President Donald Trump told reporters after talks with Chinese President Xi Jinping that “We did discuss” denuclearization, but there was no confirmation from Beijing. More details in the June issue of :https://www.armscontrol.org/act/2026-06/news/trump-claims-discuss-arms-control-china

🚨 Happening Now | Panel 3: "Pathways Toward Multilateral Nuclear Disarmament Diplomacy"

The final panel of ACA's 2026 Annual Meeting is streaming live at 2:15 pm ET.
https://www.youtube.com/live/HjP2XHzdcKs

🚨 Happening Soon | Panel 2: "Preventing Further Proliferation in the Middle East"

Join us at 1:20pm ET for the ACA 2026 Annual Meeting's 2nd panel, which covers the Iran war's effect on nuclear policies + broader impacts on Iran, Israel & Saudi Arabia. https://www.youtube.com/live/HjP2XHzdcKs

🚨 Arms Control Association | 2026 Annual Meeting

Don't miss the afternoon portion of ACA's conference "Forging a Safer Path in the New Nuclear Era"!
View the rest of today's lineup on our website: https://www.armscontrol.org/2026AnnualMeeting or head straight to the live video feed: https://www.youtube.com/live/HjP2XHzdcKs.

In a “positive” sign, nuclear-weapon states met several times during the recent nuclear Nonproliferation Treaty Review Conference and are expected to continue discussions over the next year, Conference President do Hung Viet told the Arms Control Assn. annual meeting.

🚨 Happening Now | Keynote Presentation

Archbishop John C. Wester is currently addressing the Catholic Church's contributions to and perspective on nuclear disarmament. Hear his speech and Q&A session live via webcast: https://www.youtube.com/live/HjP2XHzdcKs

: Do Hung Viet, president of the recent nuclear Nonproliferation Treaty Review Conference, told the Arms Control Assn. annual meeting that common ground on the need to restrain nuclear weapons “has narrowed” but still exists and must be built on.