Archive

Nuclear Weapons & Stockpile

News on NNSA’s modernization of the U.S. nuclear deterrent, including life extension programs, plutonium pit production, warhead development, and the weapons complex facilities that support them.

  • Guest Column: Former lab execs on fusion’s promise: Leveraging public-private Partnership for 21st century deterrence

    By Paul Hommert and Bob Webster In 1995, facing the end of nuclear testing and uncertain about our ability to maintain the nuclear deterrent without it, the United States made a bold bet.  The Science-Based Stockpile Stewardship Program[1] represented an audacious wager that advanced computing, sophisticated diagnostics, and world-class science could remove the need to […]

  • EPC warns NATO cannot rely solely on U.S. nuclear deterrence

    An analyst with the European Policy Centre (EPC) warned NATO’s evolving defense posture must preserve a credible conventional military presence in Europe, arguing that nuclear guarantees alone are insufficient to deter Russia. In an op-ed published this week, EPC policy analyst Juraj Majcin said the alliance’s shift toward greater European responsibility for conventional defense — […]

  • EPC warns NATO cannot rely solely on U.S. nuclear deterrence

    An analyst with the European Policy Centre (EPC) warned NATO’s evolving defense posture must preserve a credible conventional military presence in Europe, arguing that nuclear guarantees alone are insufficient to deter Russia. In an op-ed published this week, EPC policy analyst Juraj Majcin said the alliance’s shift toward greater European responsibility for conventional defense — […]

  • GAO: Nuclear modernization programs show mixed progress

    The Government Accountability Office’s (GAO) latest report of major defense acquisition programs found that while several nuclear modernization efforts continue to advance through development and testing, the Sentinel program remains burdened by significant cost, schedule and design challenges. In its annual review of weapon systems released last week, GAO said the Air Force’s Sentinel intercontinental […]

  • Wrap up: House leaves for recess sans NDAA vote; Air Force examining new B-52H weapons; New Mexico, DOE differ on Los Alamos plume

    The House will leave for the Fourth of July recess without moving forward on its $1.15 trillion fiscal year 2027 National Defense Authorization Act (NDAA), with a procedural vote to begin floor debate failing on Tuesday. The House voted 198-224 against the rule for considering the NDAA, the defense policy bill that sets spending limits […]

  • DNFSB inspectors raise concerns over NNSA staffing at Los Alamos

    Defense Nuclear Facilities Safety Board (DNFSB) inspectors at Los Alamos National Laboratory raised concerns about staffing levels at the lab’s field office, warning that federal oversight might not keep pace with the site’s growing workload. According to a recent resident inspector report, the National Nuclear Security Administration’s (NNSA) Los Alamos, N.M. Field Office is operating […]

  • Longtime Space Force senior heads to Nuclear Weapons Center

    The longtime head of the U.S. Space Force’s rapid acquisition office is leaving to take a senior role at the Air Force Nuclear Weapons Center, according to a June 18 press release. Kelly Hammett, director of the Space Rapid Capabilities Office since its creation, will depart the organization this summer after helping establish it as […]

  • Longtime Space Force senior heads to Nuclear Weapons Center

    The longtime head of the U.S. Space Force’s rapid acquisition office is leaving to take a senior leadership role at the Air Force Nuclear Weapons Center, according to a June 18 press release. Kelly Hammett, director of the Space Rapid Capabilities Office since its creation, will depart the organization this summer after helping establish it […]

  • DNFSB inspectors raise concerns over NNSA staffing at Los Alamos

    Defense Nuclear Facilities Safety Board (DNFSB) inspectors at Los Alamos National Laboratory raised concerns about staffing levels at the lab’s field office, warning that federal oversight might not keep pace with the site’s growing workload. According to a recent resident inspector report, the National Nuclear Security Administration’s (NNSA) Los Alamos, N.M. Field Office is operating […]

  • Amid exit litigation, Frank Rose says NNSA should not be under DOE

    Former senior National Nuclear Security Administration (NNSA) official Frank Rose said in a podcast the agency may require structural reforms to meet mounting mission demands. Formerly NNSA’s principal deputy administrator during the Joe Biden era, Rose’s public comments on the nuclear enterprise are some of his most detailed since his 2024 departure amid legal disputes […]

  • Pappano: NNSA must modernize faster, but funding remains biggest risk

    The National Nuclear Security Administration’s (NNSA) top weapons official said the nuclear security enterprise must embrace modern manufacturing and digital technologies to accelerate development and production of future weapons capabilities, while warning that budget constraints could threaten those efforts. Speaking Wednesday at a webinar by the Energy Facility Contractors Group to industry and enterprise stakeholders, […]

  • SASC releases version of fiscal 2027 NDAA

    The Senate Armed Services Committee (SASC) released its version of the fiscal 2027 National Defense Authorization Act (NDAA), which would authorize $32.31 billion in spending for the National Nuclear Security Administration (NNSA). SASC marked up its version of the must-pass defense policy bill last week, and it has advanced to the Senate floor now. The […]

  • U.S., other powers increased spending on nuclear weapons in 2025, ICAN report finds

    Global spending on nuclear weapons reached a record $118.8 billion in 2025, driven largely by increased U.S. investments in nuclear modernization programs, according to a report by the International Campaign to Abolish Nuclear Weapons (ICAN). The report released this week estimates the United States spent $69.2 billion on nuclear weapons activities last year, accounting for […]

  • SASC releases version of fiscal 2027 NDAA

    The Senate Armed Services Committee (SASC) released its version of the fiscal 2027 National Defense Authorization Act (NDAA), which would authorize $32.31 billion in spending for the National Nuclear Security Administration (NNSA). SASC marked up its version of the must-pass defense policy bill last week, and it has advanced to the Senate floor now. The […]

  • U.S., other powers increased spending on nuclear weapons in 2025, ICAN report finds

    Global spending on nuclear weapons reached a record $118.8 billion in 2025, driven largely by increased U.S. investments in nuclear modernization programs, according to a report by the International Campaign to Abolish Nuclear Weapons (ICAN). The report released this week estimates the United States spent $69.2 billion on nuclear weapons activities last year, accounting for […]

  • House NDAA passes nuclear amendments, rejects Garamendi’s and others

    The House Armed Services Committee passed its version of the fiscal 2027 National Defense Authorization Act (NDAA) at midnight Thursday after debating around 900 amendments all day Thursday, several of which pertained to nuclear issues. The defense policy bill, which also sets spending caps for the appropriations bills, would authorize $32.76 billion in funding for […]

  • DOE tightens DNFSB investigative access

    Years after an agreement apparently resolved a federal safety watchdog’s access to staff and records at Department of Energy nuclear sites, the dispute appears to be back. In an April 29 letter to Secretary of Energy Chris Wright, the Defense Nuclear Facilities Safety Board’s (DNFSB) lone member said DOE is not complying with its Atomic […]

  • House NDAA seeks to ensure Pantex, Amarillo airport stay on good terms

    The House Armed Services Committee will mark up its version of a must-pass policy bill Thursday that includes a clause on the relationship between the Pantex Plant and the nearby Rick Husband Amarillo International Airport in Texas. A provision of the fiscal 2027 National Defense Authorization Act (NDAA), which will undergo an amendment session Thursday, […]

  • LANL exec says nuclear enterprise entering ‘fourth age of deterrence’

    Los Alamos National Laboratory Deputy Director for Mission Operations Mark Davis said this month the U.S. nuclear weapons enterprise is entering a “fourth age of deterrence,” marking a shift from post-Cold War stewardship toward large-scale modernization and production. Speaking May 5 before the Los Alamos County Council, Davis described the current era as one driven […]

  • Livermore, Kansas City execs discuss nuclear modernization

    The United States nuclear weapons enterprise must be flexible, scalable and collaborative in coming years in a world where Russia and China are rapidly modernizing their nuclear triad, officials said during a Tuesday webinar held by the Advanced Nuclear Weapons Alliance (ANWA) Deterrence Center. Kim Budil, director of the Lawrence Livermore National Laboratory, and Eric […]

  • LANL exec says nuclear enterprise entering ‘fourth age of deterrence’

    Los Alamos National Laboratory Deputy Director for Mission Operations Mark Davis said this month the U.S. nuclear weapons enterprise is entering a “fourth age of deterrence,” marking a shift from post-Cold War stewardship toward large-scale modernization and production. Speaking May 5 before the Los Alamos County Council, Davis described the current era as one driven […]

  • Wright: ‘not a need for explosive testing,’ Williams says multidimensional problem

    WASHINGTON — Energy Secretary Chris Wright said Wednesday the United States need not resume explosive nuclear testing, though he and National Nuclear Security Administration (NNSA) head Brandon Williams acknowledged the president could choose to do so for reasons beyond technical necessity. Both officials’ answers were prompted by sharp questioning from Sen. Jacky Rosen (D-Nev.) during […]

  • High Explosives Facility completed at Pantex

    The National Nuclear Security Administration (NNSA) recently completed construction at the Pantex Plant’s High Explosives Science and Engineering facility, consolidating 15 Manhattan Project-era facilities, the agency said last week. “The new High Explosives Science and Engineering facility is a landmark achievement, setting an unprecedented standard for high explosives research and development crucial to national security,” […]

  • Wright: ‘not a need for explosive testing,’ Williams says multidimensional problem

    WASHINGTON — Energy Secretary Chris Wright said Wednesday the United States need not resume explosive nuclear testing, though he and National Nuclear Security Administration (NNSA) head Brandon Williams acknowledged the president could choose to do so for reasons beyond technical necessity. Both officials’ answers were prompted by sharp questioning from Sen. Jacky Rosen (D-Nev.) during […]

  • High Explosives Facility completed at Pantex

    The National Nuclear Security Administration (NNSA) recently completed construction at the Pantex Plant’s High Explosives Science and Engineering facility, consolidating 15 Manhattan Project-era facilities, the agency said last week. “The new High Explosives Science and Engineering facility is a landmark achievement, setting an unprecedented standard for high explosives research and development crucial to national security,” […]

  • Wrap up: Ted Turner dies at 87; House appropriator includes nuclear triad protection in bill; Jay Tilden new exec at NENSC; Bechtel works with unions on nuclear power projects; more

    Ted Turner, founder of news outlet CNN and founding co-chair of the Nuclear Threat Initiative, died at home in Tallahassee, Fla. Wednesday at age 87 due to Lewy body dementia. According to a statement by NTI, Turner launched the non-profit organization in 2001 with Sam Nunn and Charlie Curtis after watching a report on 60 […]

  • Russia maintains largest nuclear weapons stockpile, report says

    Russia possesses the world’s largest nuclear arsenal, a position it is leveraging alongside an expanding set of strategic capabilities, according to a May 1 report by the Congressional Research Service and U.S. Naval Institute. The report said Pentagon’s 2026 National Defense Strategy assesses that Moscow maintains the biggest stockpile globally and continues to modernize and […]

  • Russia maintains largest nuclear weapons stockpile, report says

    Russia possesses the world’s largest nuclear arsenal, a position it is leveraging alongside an expanding set of strategic capabilities, according to a May 1 report by the Congressional Research Service and U.S. Naval Institute. The report said Pentagon’s 2026 National Defense Strategy assesses that Moscow maintains the biggest stockpile globally and continues to modernize and […]

  • Y-12 says it meets lithium production goal

    The Y-12 National Security Complex said in a press release it exceeded its fiscal 2026 lithium metal production goal by a wide margin, achieving 177% of its target. The enriched lithium — used in nuclear weapons applications rather than commercial batteries — will be used in nuclear weapons components in the nation’s stockpile, managed by […]

  • Y-12 says it meets lithium production goal

    The Y-12 National Security Complex said in a press release it exceeded its fiscal 2026 lithium metal production goal by a wide margin, achieving 177% of its target. The enriched lithium — used in nuclear weapons applications rather than commercial batteries — will be used in nuclear weapons components in the nation’s stockpile, managed by […]