Bureau of International Security and Nonproliferation
Our Mission
The Office of Multilateral Nuclear and Security Affairs (ISN/MNSA) leads Department of State formulation and implementation of U.S. policy relating to the global nuclear nonproliferation regime, especially the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), the NPT review process, the International Atomic Energy Agency (IAEA), Nuclear-Weapon-Free-Zone treaties and protocols, and nuclear-related security assurances.
The Latest
The Strategic Logic of U.S. Iran Policy
Good day, everyone, and special thanks to the Vienna Center for Disarmament and Nonproliferation for giving me the chance to speak to you. This is clearly an extremely challenging point in the international community’s struggle with the proliferation challenges presented by Iran — which continues its current provocative path of once again building up its […]
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March 30, 2020
Restrictions on Iran’s Nuclear Program Continued
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March 20, 2020
This Week in Iran Policy
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March 18, 2020
Constraining Iranian Nuclear Scientists
Offices
- Office of Conventional Arms Threat Reduction
- Office of Cooperative Threat Reduction
- Office of Counterproliferation Initiatives
- Office of Export Control Cooperation
- Office of Missile, Biological, and Chemical Nonproliferation
- Office of Multilateral Nuclear and Security Affairs
- Office of Nuclear Energy, Safety, and Security
- Office of Regional Affairs
- Office of Strategic Communications and Outreach
- Office of the Biological Policy Staff
- Office of the Nonproliferation and Disarmament Fund
- Office of Weapons of Mass Destruction Terrorism