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stockpile stewardship

  • This month, NNSA hosted a Comprehensive Nuclear-Test-Ban Treaty (CTBT) on-site inspection activity at the Nevada National Security Site (NNSS). For the first time, CTBT surrogate inspectors and other inspection experts were able to visit NNSS, a former nuclear explosive test site that now supports...
  • During the last week of March, researchers at the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory (LLNL) demonstrated new flexibility in collecting data for stockpile stewardship by conducting a record 17 shots. Researchers at NIF have traditionally aimed some or...
  • Ambassador Henry S. Ensher, the top U.S. diplomat at the United States Mission to International Organizations in Vienna, Austria, recently visited two facilities to understand NNSA’s mission better: the Y-12 National Security Complex and the Nevada National Security Site (NNSS). At Y-12, he...
  • The first computers to contribute to the nation’s nuclear security work used thousands of vacuum tubes—which resembled fat light bulbs that gave off lots of heat—and consumed 125 kW of power to perform around 1,900 operations per second. This month NNSA’s Lawrence Livermore National Laboratory (...
  • WASHINGTON, D.C.—The Department of Energy’s National Nuclear Security Administration (DOE/NNSA) today released the annual reports outlining the strategic direction for two of its vital and enduring missions—maintaining a safe, secure and effective nuclear deterrent and reducing the threat of...
  • NNSA Administrator Lt. Gen. Frank Klotz (Ret.) visited NNSA’s New Mexico laboratories last week. At Sandia National Laboratories (SNL) and Los Alamos National Laboratory (LANL), Klotz addressed the workforces of both labs on how the FY17 budget request supports NNSA’s missions, and he got a first-...
  • Earlier this month, Associate Deputy Secretary John MacWilliams visited the Nevada National Security Site (NNSS) in his role as Chief Risk Officer for the Department of Energy. He reviewed the various ways the NNSS contributes to the department's and NNSA's missions, including radiological...
  • Dona Crawford, Associate Director for Computation at NNSA’s Lawrence Livermore National Laboratory (LLNL), announced her retirement last week after 15 years of leading Livermore’s Computation Directorate. “Dona has successfully led a multidisciplinary 1000-person team that develops and deploys...
  • Outlines Accomplishments in Stockpile Stewardship, Nuclear Nonproliferation, Naval Reactors and Managing the Nuclear Enterprise The National Nuclear Security Administration (NNSA) today released “NNSA Achievements: 2015 By the Numbers,” a report highlighting major accomplishments and milestones...
  • On Oct. 22, 2015, NNSA celebrated the the proven success of the Stockpile Stewardship Program at a half-day public event featuring remarks by Secretary of Energy Ernest Moniz, Secretary of State John Kerry, and Under Secretary for Nuclear Security and NNSA Administrator Lt. Gen. (retired) Frank G....

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