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NNSA: Working To Prevent Nuclear Terrorism

NNSA checks cargo for radiation.NNSA, which has unique expertise in nuclear weapons and nuclear material, plays a key role in the U.S. government’s comprehensive effort to combat terrorism. Since the 9/11 terrorist attacks, NNSA has doubled spending on nuclear nonproliferation programs. The agency works with over 100 countries to fight against nuclear proliferation and terrorism.

NNSA has over 60 years of nuclear weapons experience in responding to nuclear and radiological accidents and incidents.  It provides technical support to the Departments of Homeland Security, Justice, State, and Defense for nuclear terrorism events and domestic nuclear weapon accidents and incidents.



U.S. And Romania Agree to Equip Border Crossings To Help Prevent Nuclear Smuggling

NNSA Renews International Nuclear Safeguards Cooperation With Australia for Another Decade

NNSA Hosts National Security Summit At Y-12 National Security Complex

NNSA Kicks Off Next Generation Safeguards Initiative

Securing NNSA’s Nuclear Weapons Complex in a Post-9/11 World

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Nuclear Nonproliferation Treaty
Learn about U.S. efforts to meet its commitments to the Nuclear Nonproliferation Treaty.
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Securing the Nuclear Weapons Complex
NNSA is responsible for securing thousands of nuclear weapons and components, and hundreds of tons of special nuclear material in all forms, shapes and sizes.
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Complex Transformation
Complex Transformation is NNSA's vision for a smaller, safer, more secure and less expensive nuclear weapons complex.
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