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.
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Nuclear Weapons & Stockpile
NNSA breaks ground on new Nevada Site emergency operations center
Ground was broken last week on a new 13,000-square-foot operational command center at the National Nuclear Security Administration’s Nevada National Security Site to consolidate emergency services into a single building. NNSA Principal Deputy Administrator Frank Rose cut the ribbon for the Mercury 2 building on May 11. The new facility is among those to be […]
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Nuclear Weapons & Stockpile
NNSA breaks ground on new Nevada Site emergency operations center
Ground was broken last week on a new 13,000-square-foot operational command center at the National Nuclear Security Administration’s Nevada National Security Site to consolidate emergency services into a single building. NNSA Principal Deputy Administrator Frank Rose cut the ribbon for the Mercury 2 building on May 11. The new facility is among those to be […]
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National Laboratories
Honeywell reports rising earnings in Q1, though commercial aviation takes the honors
Earnings rose for Honeywell in the 1st quarter of 2023, which the aerospace and defense contractor, leading trans at five Department of Energy nuclear sites attributed mostly to a growth in commercial aviation. The company generated $1.4 billion in net income in the first quarter, about $300 million better than the first quarter of 2022, […]
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National Laboratories
Wrap up: NATO head talks nukes; Livermore scientist is one of Time’s 100; DOE puts Russia on notice and more
NATO and the U.S. State Department this week held the 18th Annual NATO Conference on Arms Control, Disarmament and Weapons of Mass Destruction (WMD) Non-Proliferation in Washington, D.C. NATO Secretary General Jens Stoltenberg and U.S. Deputy Secretary of State Wendy Sherman delivered remarks at the opening session of the conference on April 18. “NATO will […]
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Stockpile Stewardship
NNSA Nevada upgrades won’t be available for plutonium tests until 2030
Materials shortages, technology changes and other factors have pushed major enhancements to a nuclear-weapon testing facility in Nevada back three years and inflated the overall project cost to $1.8 billion, according to the National Nuclear Security Administration’s 2024 budget request. Supply chain disruptions and other problems caused by the COVID-19 pandemic also contributed to the […]
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Stockpile Stewardship
NNSA Nevada upgrades won’t be available for plutonium tests until 2030
Materials shortages, technology changes and other factors have pushed major enhancements to a nuclear-weapon testing facility in Nevada back three years and inflated the overall project cost to $1.8 billion, according to the National Nuclear Security Administration’s 2024 budget request. Supply chain disruptions and other problems caused by the COVID-19 pandemic also contributed to the […]
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Nuclear Weapons & Stockpile
Small blazes not unusual at weapons complex sites, DOE review finds
Over a year’s time, it is common for Department of Energy weapons complex sites to experience multiple fires that are recorded with the agency’s Occurrence Reporting and Processing System, according to a report from the agency’s Office of Enterprise Assessments. “The number of reportable fires per year [over a seven-year-period] ranged from 4 to 10, […]
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Stockpile Stewardship
Delays mount for underground lab upgrades seen as critical for new Navy nuke
ALEXANDRIA, VA — Upgrades to a nuclear-weapon test facility in Nevada are falling further behind schedule, government officials and weapon-site managers said here Wednesday. Officially called Enhanced Capability for Subcritical Experiments (ECSE), the upgrades involve expanding the Nevada National Security Site’s U1a underground complex and installing a sophisticated new x-ray camera to measure explosive plutonium […]
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Stockpile Stewardship
After ‘various delays,’ Livermore subcritical series to run through fiscal 2026
Two of the three shots in the Lawrence Livermore National Laboratory’s Nimble series of subcritical experiments should fire by early fiscal year 2024, with the third and final to follow not more than two years after, a lab spokesperson said this week. “It is anticipated that two shots, Twin Peaks and Nob Hill, will be […]
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Stockpile Stewardship
Subcritical experiment packages to be allowed back underground via hoist next year, Nevada site says
The Nevada National Security Site plans to allow subcritical experiment packages back onto the hoist leading to the U1a underground experimental complex in the spring, a site spokesperson said Wednesday. After an active desert monsoon season in August and September, the Nevada site discovered some muck at the bottom of the entrance shaft to the […]
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Stockpile Stewardship
Livermore subcritical experiment series should now finish in early FY24, lab says
Lawrence Livermore National Laboratory’s Nimble series of subcritical experiments in Nevada should wrap up in fiscal year 2024, about a year later than the California nuclear-weapons lab once planned. The Nimble series “is scheduled to be complete later in FY23 & early FY24” a lab spokesperson wrote in an email on Monday, referring to government […]
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Stockpile Stewardship
Construction costs of subcritical lab in Nevada inching up, IG says
The cost of the next subcritical nuclear testing facility in Nevada crept up a little, according to an audit report published Monday by the Department of Energy’s Inspector General. The National Nuclear Security Administration (NNSA) now projects a maximum combined cost for the U1a Complex Enhancement Project (UCEP) of $577 million, a little more than […]
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Stockpile Stewardship
Construction costs of subcritical lab in Nevada inching up, IG says
The cost of the next subcritical nuclear testing facility in Nevada crept up a little, according to an audit report published Monday by the Department of Energy’s Inspector General. The National Nuclear Security Administration (NNSA) now projects a maximum combined cost for the U1a Complex Enhancement Project (UCEP) of $577 million, a little more than […]
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Budget & Policy
Dems flip House seat near Hanford amid Trump rift; Senate staying blue
While the House of Representatives is reportedly swinging to red from blue, a Democrat and political newcomer has claimed the Republican-held seat in Washington state not far from the Department of Energy’s Hanford Site. Meanwhile, a narrow victory by incumbent Sen. Catherine Cortez Masto (D-Nev.) over state attorney general Adam Laxalt (R) gives Democrats a […]
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Contracts & Procurement
Harencak, retired Air Force major general from Jacobs, to lead Nevada site prime after Martinez leaves
Garret Harencak will replace Mark Martinez as president of Mission Support and Test Services effective Nov. 1, the Honeywell-led prime contractor for the Nevada National Security Site announced this week. The Exchange Monitor reported on Monday that Martinez would step down. Harencak joins Mission Support and Test Services (MSTS) after four years as vice president […]
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Nuclear Weapons & Stockpile
Head of Nevada site prime to step down
Mark Martinez planned to retire as president of Mission Support and Test Services, the Honeywell-led prime contractor for the Nevada National Security Site, according to people familiar with Martinez’s plans. A spokesperson for Mission Support and Test Services (MSTS) did not reply to a request for comment. Martinez has been president of MSTS since the […]
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Plutonium Pit Production
NNSA removed former Savannah River plutonium from Nevada site, Senator says
The National Nuclear Security Administration removed a tranche of weapon useable plutonium from the Nevada National Security Site after a roughly three-year layover, Nevada’s senior U.S. Senator said Friday. The nuclear weapons agency moved the plutonium to the test site in 2018 after the state of South Carolina successfully sued the government for keeping the […]
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High-Level & Tank Waste
Congressional reps, DOE cleanup, energy bosses address conference
ARLINGTON, VA —The acting boss of the Department of Energy’s Office of Environmental Management, a top manager from the agency’s Office of Nuclear Energy and key congressional representatives were to kick off the National Cleanup Workshop here Tuesday. The workshop is hosted annually by the Energy Communities Alliance in cooperation with DOE and the Energy […]
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Plutonium Pit Production
NNSA removed plutonium from Nevada site, Senator says
The National Nuclear Security Administration removed a tranche of weapon useable plutonium from the Nevada National Security Site after a roughly three-year layover, Nevada’s senior U.S. Senator said Friday. The nuclear weapons agency moved the plutonium to the test site in 2018 after the state of South Carolina successfully sued the government for keeping the […]
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Stockpile Stewardship
U1a mining expansion to wrap in 2026, NNSA says
The second and larger of two nearly round-the-clock mining projects in Nevada to expand the main U.S. zero-yield, nuclear-weapon test site should wrap up in 2026, the National Nuclear Security Administration said this week. The agency approved the final design for the U1a Complex Enhancement Project (UCEP) 20 subproject June 23, about a week before […]
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Nuclear Weapons & Stockpile
U1a mining expansion to wrap in 2026, NNSA says
The second and larger of two nearly round-the-clock mining projects in Nevada to expand the main U.S. zero-yield, nuclear-weapon test site should wrap up in 2026, the National Nuclear Security Administration said this week. The agency approved the final design for the U1a Complex Enhancement Project (UCEP) 20 subproject June 23, about a week before […]
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Nuclear Weapons & Stockpile
NNSA locks in Nevada contractor for five more years in latest all-in extension
In the latest mega-extension for a nuclear-weapons site-management contractor, the National Nuclear Security Administration locked in a Honeywell-led team for five more years at the Nevada National Security Site. Mission Support and Test Services, which also includes Jacobs Engineering and Huntington Ingalls Industries, will be on site from 2023 through 2028 under five one-year options […]
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Nuclear Weapons & Stockpile
NNSA to put security services into Nevada prime contract as sunset approaches on SOC deal
The National Nuclear Security Administration plans to add protective services to its prime contract with the Nevada National Security Site’s Honeywell-led prime contract, according to a procurement note posted online recently. SOC is the incumbent security services provider at the former Nevada Test Site under a five-year deal, worth about $200-million, that began on March 1, […]
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Nuclear Weapons & Stockpile
NNSA to put security services into Nevada prime contract as sunset approaches on SOC deal
The National Nuclear Security Administration plans to add protective services to its prime contract with the Nevada National Security Site’s Honeywell-led prime contract, according to a procurement note posted online recently. SOC is the incumbent security services provider at the former Nevada Test Site under a five-year deal, worth about $200-million, that began on March […]
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Cleanup & Remediation
NNSA manager picked as next chief of staff for DOE cleanup office
The Department of Energy’s Office of Environmental Management has selected a manager from the semi autonomous National Nuclear Security Administration, Cathy Tullis, to be its next chief of staff effective July 17. Tullis, currently chief of staff for the associate administrator for management and budget for the National Nuclear Security Administration (NNSA), will fill the […]
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Transuranic Waste
Wrap Up: WIPP cites construction headway; WCS again considered for mercury; Nevada waste disposal rebounds
A major underground ventilation project key to the future of the Department of Energy’s Waste Isolation Pilot Plant in New Mexico is almost two-thirds of the way finished, a manager for the prime contractor told a virtual “town hall” meeting Thursday. The Safety Significant Confinement Ventilation System is 63% percent complete, Nuclear Waste Partnership president […]
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Cleanup & Remediation
Nevada Site disposed of 330,000 cubic feet of DOE waste halfway through fiscal 2022
Halfway through the fiscal year, the Department of Energy’s Nevada National Security Site appears on pace to dispose of more radioactive and classified waste than during fiscal 2021, according to the latest quarterly report from the site. During the second quarter of the fiscal year, which ended March 31, the site disposed of 154,000 cubic […]
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Cleanup & Remediation
NNSA search for new Las Vegas campus underway
The National Nuclear Security Administration is looking for a new remote office site in Las Vegas for personnel who don’t need to regularly commute to the Nevada Nuclear Security Site some 60 miles to the northwest of the city, according to a recent procurement note. The semiautonomous Department of Energy nuclear weapons agency “plans to […]
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Cleanup & Remediation
NNSA search for new Las Vegas campus underway
The National Nuclear Security Administration is looking for a new remote office site in Las Vegas for personnel who don’t need to regularly commute to the Nevada Nuclear Security Site some 60 miles to the northwest of the city, according to a recent procurement note. The semiautonomous Department of Energy nuclear weapons agency “plans to […]
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National Laboratories
Cleanup spending at Los Alamos increases in DOE fiscal 2023 request
The Joe Biden administration is requesting nuclear legacy cleanup spending of $332 in fiscal 2023 for the Department of Energy’s Los Alamos National Laboratory in New Mexico, a big jump from the $275 million in the final appropriation for fiscal 2022, passed only a few weeks ago. The $275 million in the current fiscal year […]









