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BlogDecember 1, 2025NNSA and Japan’s Kyoto University converted two cores from the Kyoto University Critical Assembly from using highly enriched uranium to high-assay low-enriched uranium fuel. It's a nonproliferation and HALEU research milestone.National Nuclear Security Administration
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September 25, 2025U.S. Deputy Secretary of Energy James P. Danly participated in the diamond-stamping of the First Production Unit (FPU) of a canned subassembly (CSA) for the W80-4 Life Extension Program at the NNSA’s Y-12 National Security Complex in Oak Ridge, Tennessee.National Nuclear Security Administration
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September 16, 2025U.S. Department of Energy Office of Environmental Management crews recently reached a historic milestone of over 40 million safe hours at the Savannah River Site and received an award from the National Safety Council at the Paducah Site. September 16, 2025Office of Environmental Management
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September 9, 2025The newly completed Flight Instrument Test Laboratory at LANL is not just another building, it is a launchpad for innovation, precision, and the next generation of weapons and aviation technology.National Nuclear Security Administration
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September 9, 2025The National Safety Council has awarded the deactivation and remediation contractor at the Paducah Site its Million Work Hours Award, reflecting the safe completion of some of the most complex and challenging work at the site. September 9, 2025Office of Environmental Management
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September 2, 2025The Portsmouth Paducah Project Office is modernizing its depleted uranium hexafluoride conversion facilities by installing a new system designed to significantly enhance safety, improve efficiency and reduce operational pauses. September 2, 2025Office of Environmental Management
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August 12, 2025Members of the Defense Nuclear Facilities Safety Board viewed progress underway to address legacy transuranic waste during a visit to Los Alamos National Laboratory on July 30. August 12, 2025Office of Environmental Management
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August 12, 2025The Hanford Site's annual emergency preparedness field exercise put responders to the test with a challenging scenario designed to simulate a complex, high-stakes emergency. August 12, 2025Office of Environmental Management
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August 1, 2025Sandia and Los Alamos national laboratories have launched a joint initiative to standardize 3D design and building information modeling practices.National Nuclear Security Administration
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July 22, 2025Workers at the Savannah River Site have demonstrated their resourcefulness and unique capabilities by implementing a newly created carrier to transport spent nuclear fuel. July 22, 2025Office of Environmental Management