In January 2025, NNSA Administrator Jill Hruby posted the following as a letter in Science, in response to the June 2024 article titled “The weapons potential of high-assay low-enriched uranium.”
The U.S. Department of Energy’s National Nuclear Security Administration and the Republic of Korea’s Ministry of Foreign Affairs co-hosted the seventh Nuclear Security Working Group this month at Lawrence Livermore National Laboratory.
The U.S. Department of Energy’s National Nuclear Security Administration and Japan’s Kyoto University have converted the Kyoto University Critical Assembly “Core C” from highly enriched uranium to high-assay low enriched uranium fuel.
Meet Ed McLean. His family lawyer and his father influenced him deeply and positively. His service in the U.S. Air Force prepared him to help NNSA's Office of Global Material Security improve its processes and run more efficiently.
Senior leaders from around the U.S. government attended the 68th International Atomic Energy Agency (IAEA) General Conference (GC) September 16-20 in Vienna, Austria, to advance nuclear energy, safety, security, safeguards, emergency preparedness and response, peaceful uses, nonproliferation, and other nuclear-related issues.
In September, NNSA’s Office of Radiological Security hosted a conference in Thessaloniki, Greece, highlighting the medical efficacy of alternative technologies – like X-ray – to high-activity radiological sources and their ability to reduce the risk of terrorism.
NNSA has released Prevent, Counter, and Respond—NNSA’s Plan to Reduce Global Nuclear Threats (NPCR) FY 2025-2029. This report highlights pressing nuclear and radiological challenges at home and abroad.
Meet Gabriela Quintanilla, an NNSA Graduate Fellow. Inspired by her parents' work ethic and a love of learning, now she's is smack-dab in the middle of the agency's plutonium disposition efforts. Luckily, her Brazilian jiu-jitsu training has prepared her well.
This week, NNSA and Romania’s National Commission for Nuclear Activities Control celebrated 15 years of partnership in advancing radiological security.
Last week, NNSA welcomed international diplomats to Sandia National Laboratories and the Nevada National Security Site. It was part of an NNSA effort to show transparency about its work and U.S. support for the Comprehensive Nuclear-Test-Ban Treaty.