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# 									Proliferation Security Initiative							

Bureau of International Security and Nonproliferation

### About the Proliferation Security Initiative

Launched on May 31, 2003, the Proliferation Security Initiative is an enduring global effort that aims to stop trafficking of weapons of mass destruction, their delivery systems, and related materials to and from states and non-state actors of proliferation concern. PSI is a key part of the foundation of the global WMD nonproliferation regime and has maintained strong support as a Presidential priority in each of the U.S. Administrations since its inception.

When a country endorses PSI, it endorses the **PSI Statement of Interdiction Principles**, which commit participants to establish a more coordinated and effective basis through which to impede and stop WMD, their delivery systems, and related items. PSI-endorsing countries commit to:
        - Interdict transfers to and from states and non-state actors of proliferation concern to the extent of their capabilities and legal authorities;
        - Develop procedures to facilitate exchange of information with other countries;
        - Strengthen national legal authorities to facilitate interdiction; and,
        - Take specific actions in support of interdiction efforts.

The countries that have endorsed the PSI share a deep concern that WMD, their delivery systems, and related materials could fall into the hands of terrorists.  All of these countries have endorsed the effort to make PSI a flexible, voluntary initiative geared toward enhancing individual and collective partner nations’ capabilities to take appropriate and timely actions to meet the fast-moving situations involving proliferation threats.

The United States seeks to strengthen and expand the PSI, ensuring that it remains an effective tool to stop WMD proliferation.  We are playing an active role in the success of the PSI, by leveraging related counterproliferation efforts across the U.S. government; by contributing diplomatic, financial, military, customs, law enforcement, and other security experts and assets to interdiction exercises; by hosting PSI meetings, workshops, and exercises with other PSI-endorsing states; and by working with specific partner states to improve their capacity for combating the proliferation of WMD.

 

#### Media Notes, Joint Statements, and Fact Sheets

        - June 6, 2024  Joint Statement on the PSI Baltics Workshop and Tabletop Exercise
        - June 3, 2024  The Gambia Endorses the Proliferation Security Initiative
        -  March 27, 2024Madagascar Endorses the Proliferation Security Initiative 
        - March 22, 2024  Joint Statement on the PSI Western Hemisphere 2024 Workshop and Tabletop Exercise
        - February 2, 2024  Proliferation Security Initiative African Political Meeting and Outreach Event
        - February 2, 2024  Marrakesh Declaration: Joint Statement on the Proliferation Security Initiative African Political Meeting and Outreach Event Marrakesh Co-Chairs’ Summary
        - January 31, 2024  Under Secretary Jenkins’s Press Statement Following Proliferation Security Initiative African Political Meeting and Outreach Event Opening Ceremonies
        - January 31, 2024  Under Secretary Jenkins’s Opening Remarks at the Proliferation Security Initiative African Political Meeting and Outreach Event
        - October 18, 2023  Joint Statement on UN Security Council Resolution 2231 Transition Day
        - May 30, 2023  PSI 20th Anniversary: Joint Statement of the 2023 High-Level Political Meeting [154 KB]
        - May 30, 2023  Under Secretary Jenkins’ Remarks at the PSI High Level Political Meeting Session on Addressing a Changing International Security Environment and Challenges to Nonproliferation 
        - May 30, 2023  Under Secretary Jenkins’ Opening Remarks and Reading of President Biden’s Letter to the 20th Anniversary of the Proliferation Security Initiative
        - March 14, 2023:  U.S. and North Macedonia Co-Host Proliferation Security Initiative Workshop
        - January 27, 2023:  U.S. and Canada Co-Host Proliferation Security Initiative Workshop
        - December 8, 2022:  U.S. and Morocco Co-Host Proliferation Security Initiative Workshop
        - October 28, 2022:  Joint Statement from Proliferation Security Initiative – Operational Experts Group Meeting in Rome
        - August 15, 2022:  Joint Statement: Proliferation Security Initiative Asia-Pacific Exercise Rotation
        - August 8, 2022:  United States Hosts Proliferation Security Exercise Fortune Guard 22
        - November 1, 2021:  United States Participates in Proliferation Security Initiative Exercise DEEP SABRE
        - May 7, 2021:  United States and Philippines Hold Virtual Proliferation Security Initiative Workshop
        - November 5, 2018:  Joint Statement from Proliferation Security Initiative (PSI) Partners in Support of United Nations Security Council Resolutions 2375 and 2397 Enforcement
        - Fact Sheet:  The Proliferation Security Initiative: A Global Cooperative Effort

#### Participants

Afghanistan | Albania | Andorra | Angola | Antigua and Barbuda | Argentina | Armenia | Australia | Austria | Azerbaijan | The Bahamas | Bahrain | Belarus | Belgium | Belize | Benin | Bosnia | Brunei Darussalam | Bulgaria | Cambodia | Canada | Chile | Colombia | Croatia | Cyprus | Czech Republic | Denmark | Djibouti | Dominica | Dominican Republic | El Salvador | Equatorial Guinea | Estonia | Fiji | Finland | France  | Federated States of Micronesia | Gambia | Georgia | Germany | Ghana | Greece | Holy See | Honduras | Hungary | Iceland | Iraq | Ireland | Israel | Italy | Japan | Jordan | Kazakhstan | Kyrgyzstan | Kuwait | Latvia | Liberia | Libya | Liechtenstein | Lithuania | Luxembourg | Madagascar | Malaysia | Malta | Marshall Islands | Moldova | Mongolia | Montenegro | Morocco | The Netherlands | New Zealand | North Macedonia | Norway | Oman | Panama | Papua New Guinea | Paraguay | Philippines | Poland | Portugal  | Palau | Qatar | Republic of Korea | Romania | Samoa | Saudi Arabia | San Marino | Serbia | Singapore | Slovakia | Slovenia | Spain | Sri Lanka | St. Lucia | St. Vincent and the Grenadines | Sweden | Switzerland | Tajikistan | Thailand | Togo | Trinidad and Tobago | Tunisia | Turkey | Turkmenistan | Ukraine | United Arab Emirates | United Kingdom | United States | Uzbekistan | Vanuatu | Vietnam | Yemen | Zambia

Tags

Arms Control and NonproliferationBureau of International Security and NonproliferationNonproliferationNuclear Nonproliferation

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