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Bureau of International Security and Nonproliferation

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Our Mission

The Bureau of International Security and Nonproliferation (ISN) prevents and rolls back the spread of WMD, delivery systems, and advanced conventional weapons capabilities; protects U.S. critical and emerging technology; and promotes the peaceful uses of nuclear energy, science, and technology. In close collaboration with other bureaus within the State Department, other U.S. agencies, and a diverse range of international and non-governmental partners, ISN further tracks, develops, and implements effective policy responses to proliferation threats and shapes the international security environment to prevent their recurrence.

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Our Priorities

Export Controls Policy

The United States uses export controls to protect national security interests and promote our foreign policy objectives. The State Department also employs export controls to prevent state and non-state actors from using goods and technologies to abuse human rights.

Read More Export Controls Policy

AUKUS

In September 2021, Australia, the United Kingdom and the United States announced AUKUS – a new security partnership that will promote a free and open Indo-Pacific that is secure and stable.

Learn more about AUKUS AUKUS

Nonproliferation Sanctions

The United States imposes sanctions under various legal authorities against foreign individuals, private entities, and governments that engage in proliferation activities, including Iran, Syria, and North Korea.

Learn more about Nonproliferation Sanctions Nonproliferation Sanctions

The CHIPS Act

In August 2022, President Biden signed the CHIPS Act, a U.S. federal statute enacted by the 117th United States Congress that provides billions of dollars in new funding to boost domestic research and manufacturing of semiconductors in the United States.

Learn more about the CHIPS Act The CHIPS Act

U.S. Department of State

The Lessons of 1989: Freedom and Our Future