NNSA
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NNSA
@NNSANews
NNSA delivers the U.S. nuclear stockpile, strengthens nonproliferation, powers a global naval fleet & advances transformative tech. Led by @NNSAWilliams.
2 days until the #FIFAWorldCup!!⚽🔥 NNSA's nonproliferation office helped prepare Mexico to detect radioactive and nuclear materials on the move, keeping both fans and players safe during the 2026 FIFA World Cup and beyond.
- Using materials provided by NNSA and processed by @BWXT, @AntaresNuclear reached criticality for their Mark-O reactor. NNSA is proud to support this incredible milestone by @ENERGY, achieving criticality ahead of America's 250th anniversary! Under President Trump's leadership,Today, an advanced non-lightwater nuclear reactor reached criticality in the United States for the first time in more than four decades. Thanks to President Trump unleashing the American Nuclear Renaissance, this was made possible. 🇺🇸
- During the Sandy Fire in Ventura County, CA, NNSA's NEST deployed to support air monitoring operations and assist state and local first responders. Seven air sampling radiological monitoring locations were established to continuously evaluate smoke and air quality conditions in
- Before D-Day, Gen. Eisenhower initiated "Operation Peppermint" to prepare for potential radiological warfare at Normandy. While the threat never materialized, this mission laid the foundation for modern aerial monitoring—a legacy NNSA's Nuclear Emergency Support Team (NEST)
- NNSA reposted
From lab to sea 🚢 Sandia, @NNSANews and the nuclear security enterprise have fully transitioned the modernized W88 Alteration 370 warhead into the U.S. stockpile, strengthening reliability in the sea-based leg of America’s strategic deterrent ➡️ bit.ly/4vqnFvF
- NNSA repostedDuring a recent visit to Sandia’s New Mexico site, NNSA Deputy Administrator for Defense Programs Dave Beck, right, toured the Microsystems Engineering, Science and Applications complex and received briefings on Sandia’s work in quantum, artificial intelligence and more.
- NNSA reposted
ONE MONTH UNTIL AMERICA’S 250TH! 🇺🇸🦅 250 years of freedom. 250 years of American greatness. A patriotic summer has just begun as we gear up for the greatest birthday celebration in our nation’s history. The countdown to 250 starts NOW. 🔥
- 🚨@NNSAWilliams joined @RepChuck at @ORNL to break ground on the Advanced Testbed and Operational Learning Laboratory, or ATOLL. The 21,000-square-foot facility will provide critical capabilities for NNSA nonproliferation programs while enabling advanced research, testing, and
- NNSA repostedRe-creating flight-like heat 🔥 Sandia used its National Solar Thermal Test Facility to qualify the heat shield system for NASA’s Dragonfly mission to Titan, Saturn’s largest moon. ➡️ bit.ly/4o20t4t @NASAAmes
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