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NNSA achieved a significant milestone by completing a record number of 13 tritium extractions within nine months, spanning fiscal year (FY) 2025 and 2026. Tritium, an isotope of hydrogen, is a key element in nuclear weapons.
Fostering the next generation of nuclear security and nonproliferation leaders, NNSA has renewed a $25 million grant for another 5 years to an R&D consortium led by the University of California, Berkeley that directly supports our vital missions.
NNSA and DOE's Offices of Environmental Management and Science collaborated to achieve a significant milestone in transforming Cold War-era legacy materials into critical national assets.
NNSA has completed the Last Production Unit of the W88 Alteration 370, a multiyear program to modernize the W88 nuclear warhead carried onboard Ohio-class ballistic missile submarines.
NNSA just checked Oklahoma off the list of states cleared of cesium irradiators. This is a major milestone in enhancing security across the nation. Read more about how NNSA worked to eliminate the radiological risk these devices pose.
Department of Energy gives OK for Philippines and Singapore to get U.S. exports of nuclear technology and assistance.
NNSA issues a Request for Information one week after President Trump’s historic Executive Order launching the Genesis Mission, underscoring NNSA’s commitment to deploying and rapidly advancing artificial intelligence to strengthen national security and maintain America’s strategic edge.
The Department of Energy’s National Nuclear Security Administration (DOE/NNSA) has approved Critical Decision-4, signifying the completion of the UPF PSF Subproject at the Y-12 National Security Complex.
Mission and Vision will significantly advance U.S. national security, AI, and scientific research capabilities.
Solicitation to lease federal land for developing power generation and infrastructure for artificial intelligence data centers