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.
-
Advanced Nuclear & SMRs
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 […]
-
International
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 — […]
-
International
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 — […]
-
Budget & Policy
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 […]
-
Budget & Policy
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 […]
-
National Laboratories
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 […]
-
Nuclear Weapons & Stockpile
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 […]
-
Nuclear Weapons & Stockpile
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 […]
-
National Laboratories
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 […]
-
Budget & Policy
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 […]
-
Budget & Policy
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, […]
-
Budget & Policy
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 […]
-
Nuclear Weapons & Stockpile
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 […]
-
Budget & Policy
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 […]
-
Nuclear Weapons & Stockpile
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 […]
-
Budget & Policy
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 […]
-
Budget & Policy
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 […]
-
Nuclear Weapons & Stockpile
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, […]
-
National Laboratories
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 […]
-
National Laboratories
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 […]
-
National Laboratories
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 […]
-
Stockpile Stewardship
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 […]
-
Innovation & Infrastructure
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,” […]
-
Stockpile Stewardship
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 […]
-
Innovation & Infrastructure
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,” […]
-
Nuclear Weapons & Stockpile
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 […]
-
International
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 […]
-
International
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 […]
-
Nuclear Weapons & Stockpile
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 […]
-
Nuclear Weapons & Stockpile
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 […]








