Learn more about Nonproliferation
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July 23, 2026NNSA delivered its fifth next-generation Global Burst Detector sensor payload to the U.S. Space Force this month. They monitor for above-ground nuclear detonations around the world.National Nuclear Security Administration
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July 22, 2026NNSA has successfully removed all high-risk cesium-137 material from North Dakota, a major achievement for national security. This milestone marks the 14th state or territory to be declared free of high-risk quantities of this dangerous material.National Nuclear Security Administration
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June 18, 2026NNSA will host a four-day Safeguards and Security by Design workshop for U.S. advanced and small modular reactor vendors that seek to deploy their technologies in the U.S. and abroad. There will be an optional one-day cybersecurity workshop, as well.National Nuclear Security Administration
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June 16, 2026U.S. Energy Secretary Chris Wright has OK’d American civil nuclear exports to Thailand under Part 810, allowing U.S. innovators to charge ahead in new markets and accelerate American energy dominance.National Nuclear Security Administration
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Press ReleasesJune 3, 2026NNSA's nonproliferation and counterterrorism capabilities serve as America's nuclear shield, protecting the homeland through a multi-layered defense. The groundbreaking at ORNL is the first step in introducing critical new capabilities for that effort.National Nuclear Security Administration
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Press ReleasesMay 8, 2026The safe removal of all enriched uranium from Venezuela sends another signal to the world of a restored and renewed Venezuela. Thanks to President Trump’s decisive leadership, the teams finished in months what would have normally taken years.National Nuclear Security Administration
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May 7, 2026The U.S. has secured its largest HALEU fuel shipment, working in partnership with Japan. This advances President Trump’s strategy to restore America's energy dominance and power next-generation nuclear reactors. It's also a huge nonproliferation win!National Nuclear Security Administration
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April 15, 2026NNSA removed the last highly radioactive source in the country, eliminating radiological risks and strengthening American and global security.National Nuclear Security Administration
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April 9, 2026NNSA has successfully removed all high-risk cesium-137 material from the state. This means South Carolina is now the 13th state to be completely free of this dangerous radioactive material, a massive win for the safety of Americans, and prevents adversaries from acquiring this material.National Nuclear Security Administration
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BlogApril 9, 2026NNSA congratulates SHINE on this crucial next step in its nuclear technology evolution! NNSA is proud to have fostered the company's innovative process for manufacturing medical isotopes while keeping America safe from materials that could be used for nuclear weapons.National Nuclear Security Administration