Archive

Nevada National Security Site

An NNSA site north of Las Vegas historically used for nuclear weapons testing, now supporting subcritical experiments, emergency response training, and waste research.

  • NNSS conducts high-explosive experiment for non-proliferation purposes

    The National Nuclear Security Administration conducted a “subsurface, non-nuclear chemical high-explosive experiment” at the Nevada National Security Site aimed at improving U.S. detection of low-yield nuclear explosions, the agency said Sept. 30. The experiment was conducted in the P Tunnel in Area 12 at NNSS and involved chemical high explosives and radiotracers, according to the […]

  • DOE looks to renew deal with Nye County Sheriff’s office

    The Department of Energy is planning to renew another multiple year funding agreement with the Nye County, Nev. Sheriff’s office to help protect the Nevada National Security Site (NNSS), located 65 miles outside of Las Vegas. The department will conclude its current two-year agreement with Nye County on Dec. 31. The existing cooperative agreement provides […]

  • DOE looks to renew deal with Nye County Sheriff’s office

    The Department of Energy is planning to renew another multiple year funding agreement with the Nye County, Nev. Sheriff’s office to help protect the Nevada National Security Site (NNSS), located 65 miles outside of Las Vegas. The department will conclude its current two-year agreement with Nye County on Dec. 31. The existing cooperative agreement provides […]

  • Fuse expands NNSA footprint with five-year NNSS agreement

    Fusion technology developer Fuse signed a five-year Cooperative Research and Development Agreement (CRADA) with prime contractor Mission Support and Test Services at the Nevada National Security Site (NNSS), expanding its collaboration across the National Nuclear Security Administration (NNSA) enterprise. A CRADA deal establishes a framework for research on next-generation fusion technologies, tritium capabilities, higher neutron […]

  • Wrap up: GAO looks at Moab, NNSA issues; House unlikely to take up E&W budget before recess; NNSS looks into fire suppression; more

    The Government Accountability Office (GAO) cranked out reports this week on the Department of Energy nuclear complex. Here is a glimpse at two of the congressional watchdog’s latest reports: A report on streamlining project management at national labs and nuclear sites was made public Thursday. DOE and its semiautonomous National Nuclear Security Administration (NNSA) oversees […]

  • NNSS starts market research on fire protection services

    Mission Support and Test Services (MSTS), prime contractor for the National Nuclear Security Administration’s (NNSA) Nevada National Security Site (NNSS), issued a request for information and expression of interest to help develop procurement strategy for fire suppression system services. The pre-solicitation notice seeks industry feedback to help shape a future contract supporting the full life […]

  • NNSS starts market research on fire protection services

    Mission Support and Test Services (MSTS), prime contractor for the National Nuclear Security Administration’s (NNSA) Nevada National Security Site (NNSS), issued a request for information and expression of interest to help develop procurement strategy for fire suppression system services. The pre-solicitation notice seeks industry feedback to help shape a future contract supporting the full life […]

  • EnergySec stresses importance of NNSS and non-explosive tests as Lee presses for funding

    Rep. Susie Lee (D-Nev.) April 15 pressed Energy Secretary Chris Wright over funding instability affecting key projects at the Nevada National Security Site (NNSS), warning that continued uncertainty could delay work central to the nation’s nuclear stockpile stewardship mission. Lee, speaking at the House Appropriations Energy and Water subcommittee’s hearing on the White House’s Department […]

  • EnergySec stresses importance of NNSS and non-explosive tests as Lee presses for funding

    Rep. Susie Lee (D-Nev.) April 15 pressed Energy Secretary Chris Wright over funding instability affecting key projects at the Nevada National Security Site (NNSS), warning that continued uncertainty could delay work central to the nation’s nuclear stockpile stewardship mission. Lee, speaking at the House Appropriations Energy and Water subcommittee’s hearing on the White House’s Department […]

  • NNSA copters to hover over Vegas strip for New Year’s Eve

    As it has for major events in the past, the Department of Energy’s National Nuclear Security Administration (NNSA) will make low-altitude helicopter flights over the Las Vegas Strip area leading up to New Year’s Eve celebrations in the desert city. The flights by NNSA’s Nuclear Emergency Support Team (NEST) Aerial Measuring System aircraft will measure […]

  • Navarro, subcontractor sink new NNSS groundwater monitoring wells

    Crews at the Department of Energy’s Nevada National Security Site recently finished drilling two new groundwater monitoring wells and making a third one deeper, DOE’s nuclear cleanup office said Tuesday. Data from the new wells on Pahute Mesa should improve groundwater monitoring at the longtime nuclear testing site, DOE’s Office of Environmental Management said in […]

  • Valar Atomics reaches cold criticality

    Valar Atomics said this week that its technology has achieved zero-power criticality at Los Alamos National Laboratory’s National Criticality Experiments Research Center at the Department of Energy’s Nevada National Security Site. Hawthrone, Calif.-based nuclear company Valar Atomics said in a Monday press release its tests began Nov.12 and zero-power criticality was achieved Monday at 11:45 […]

  • Wrap Up: Hanford WTP filling containers; Trump interested in nuke testing; Westinghouse, Cameco reach nuclear power deal with DOE; much more

    The Bechtel-built Waste Treatment and Immobilization Plant (WTP) at the Hanford Site in Washington state is continuing its opening weeks of operation and has filled 10 containers as of Monday, Oct. 27, according to the Department of Energy. The first two containers are scheduled to be shipped to the Hanford Integrated Disposal Facility this week, […]

  • EnergySec thanks Cortez Masto for vote, says ‘virtually all’ NNSS fed employees furloughed

    Secretary of Energy Chris Wright, in a press conference Monday in Nevada., said all of the federal employees at Nevada National Security Site (NNSS) had been furloughed. Wright spoke in two press conferences in Nevada Monday, one being in Las Vegas and one being at the physical site of NNSS in Mercury, Nev. north of […]

  • EnergySec thanks Cortez Masto for vote, says ‘virtually all’ NNSS fed employees furloughed

    Secretary of Energy Chris Wright, in a press conference Monday in Nevada., said all of the federal employees at Nevada National Security Site (NNSS) had been furloughed. Wright spoke in two press conferences in Nevada Monday, one being in Las Vegas and one being at the physical site of NNSS in Mercury, Nev. north of […]

  • EM takes down Test Cell C at Nevada National Security Site

    The Department of Energy’s nuclear cleanup office said last week it has taken down a major 1960s era contaminated facility at the Nevada National Security Site (NNSS). After three years of labor intensive work, crews directed by DOE’s Office of Environmental Management (EM) have dismantled Test Cell C at the Nevada site’s Area 25, according […]

  • Cortez Masto introduces legislation to help federal contractors during shutdown

    Last week, Sen. Catherine Cortez Masto (D-Nev.) introduced the Emergency Relief for Federal Contractors Act to allow federal contractors working without pay to withdraw pay from their retirement savings without penalty. Cortez Masto’s district includes the Department of Energy’s National Nuclear Security Administration’s (NNSA) Nevada National Security Site. It is the largest NNSA site that […]

  • EM takes down Test Cell C at Nevada National Security Site

      The Department of Energy’s nuclear cleanup office said last week it has taken down a major 1960s era contaminated facility at the Nevada National Security Site (NNSS). After three years of labor intensive work, crews directed by DOE’s Office of Environmental Management (EM) have dismantled Test Cell C at the Nevada site’s Area 25, […]

  • Cortez Masto fears shutdown impact on NNSS in splitting with Dems

    Sen. Catherine Cortez Masto (D-Nev.) cited the potential impact on in-state military installations as well as the Department of Energy’s Nevada National Security Site as her reason for supporting a Republican-led continuing resolution Tuesday night. “A government shutdown would force tens of thousands of Nevada military personnel, union members, law enforcement agents and military nurses […]

  • Cortez Masto fears shutdown impact on NNSS in splitting with Dems

    Sen. Catherine Cortez Masto (D-Nev.) cited the potential impact on in-state military installations as well as the Department of Energy’s Nevada National Security Site as her reason for supporting a Republican-led continuing resolution Tuesday night. “A government shutdown would force tens of thousands of Nevada military personnel, union members, law enforcement agents and military nurses […]

  • Wrap Up: Hanford to develop ‘super cell’; DOE extends HALEU contract with Centrus; WCS cites rail shipments; Rick Perry to Nano board; more

    Centrus Energy, headquartered in Bethesda, Md., has been awarded an extended contract with the Department of Energy, worth about $110 million, to produce high-assay low-enriched uranium through June 30, 2026. In 2022, Centrus was awarded a three-phase follow-on contract to bring the cascade into production and produce HALEU for DOE’s use. DOE has exercised its […]

  • Train shed comes down at DOE Nevada Site

    Work crews using heavy equipment have torn down a 1960s era train shed at the Department of Energy’s Nevada National Security Site, DOE announced last week. “We are pleased to get this structure to the ground as part of our long term cleanup mission,” DOE Office of Environmental Management Nevada Program Manager Robert Boehlecke said […]

  • NNSA awards $4-million support services deal for Nevada

    The Department of Energy’s semiautonomous National Nuclear Security Administration has awarded a $4-million contract to an Alaskan native corporation subsidiary for maintenance and support services in Nevada. The National Nuclear Security Administration (NNSA) facility maintenance and support services contract for Chenega Reliable Services at the Nevada National Security Site field office in Las Vegas was […]

  • NNSA awards $4-million support services deal for Nevada

    The Department of Energy’s semiautonomous National Nuclear Security Administration has awarded a $4-million contract to an Alaskan native corporation subsidiary for maintenance and support services in Nevada. The National Nuclear Security Administration (NNSA) facility maintenance and support services contract for Chenega Reliable Services at the Nevada National Security Site field office in Las Vegas was […]

  • Wrap up: DOE seeks comment on ETEC cleanup; Lujan bill urges more lab tech; New bosses appointed

    The Department of Energy is seeking public comment between now and Feb. 17 on soil cleanup at the Energy Technology Engineering Center site inside the Santa Susana Field Laboratory property in Simi Valley. DOE said Dec. 19 it is publishing a notice of intent to prepare a supplemental Environmental Impact Statement and is holding a […]

  • NNSS prime contractor appoints new site president

    Roger Rocha was appointed president of the prime contractor at Nevada National Security Site effective Monday, the site announced in a press release Monday. Rocha, the interim president since September when his predecessor resigned, now will take responsibility for all activities overseen by the Honeywell-led Mission Support and Test Services (MSTS) at the Nevada National […]

  • Next subcritical experiment at PULSE slated for spring 2025, test site officials says

    MERCURY, Nev. — The next subcritical experiment in Lawrence Livermore National Laboratory’s Nimble is scheduled to fire in April, senior officials at the Nevada National Security Site site told the Exchange Monitor Wednesday. The experiment, named Nob Hill, would be the second in the three-shot series of experiments. The first experiment, called Twin Peaks, took […]

  • New underground nuke lab will cost more, not be as late as feared, officials say after review

    MERCURY, Nev. — The next U.S. laboratory for testing nuclear weapons without nuclear explosions will be done a year or two sooner but cost more than forecast this spring, officials said here Wednesday. The officials spoke to the Exchange Monitor and other media outlets during a press tour of the Nevada National Security Site, organized […]

  • Next subcritical experiment at PULSE slated for spring 2025, test site officials says

    MERCURY, Nev. — The next subcritical experiment in Lawrence Livermore National Laboratory’s Nimble is scheduled to fire in April, senior officials at the Nevada National Security Site site told the Exchange Monitor Wednesday. The experiment, named Nob Hill, would be the second in the three-shot series of experiments. The first experiment, called Twin Peaks, took […]

  • NNSS prime contractor appoints new site president

    Roger Rocha was appointed president of the prime contractor at Nevada National Security Site effective Monday, the site announced in a press release Monday. Rocha, the interim president since September when his predecessor resigned, now will take responsibility for all activities overseen by the Honeywell-led Mission Support and Test Services (MSTS) at the Nevada National […]