Publications: Nuclear Security & Deterrence Monitor
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International
Wrap up: Senator Murphy says Iran war plans “incoherent and incomplete”; Finland plans to left ban on nuclear arms; U.S. opposes IAEA resolution condemning attacks on Ukrainian energy; more
Fresh out of a classified briefing Tuesday on Operation Epic Fury, Sen. Chris Murphy (D-Conn.), a member of the Senate Foreign Relations committee, posted on X saying the war goals “DO NOT” involve destroying Iran’s nuclear weapons program. “This is, uh…surprising…since Trump says over and over this is a key goal,” Murphy continued in his […]
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International
Wrap up: Senator Murphy says Iran war plans “incoherent and incomplete”; Finland plans to left ban on nuclear arms; U.S. opposes IAEA resolution condemning attacks on Ukrainian energy; more
Fresh out of a classified briefing Tuesday on Operation Epic Fury, Sen. Chris Murphy (D-Conn.), a member of the Senate Foreign Relations committee, posted on X saying the war goals “DO NOT” involve destroying Iran’s nuclear weapons program. “This is, uh…surprising…since Trump says over and over this is a key goal,” Murphy continued in his […]
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Advanced Nuclear & SMRs
SRS to restart HB-Line, recycle fuel for advanced reactors
The Department of Energy’s Savannah River Site in South Carolina is restarting HB-Line operations in order to recycle surplus plutonium and produce uranium-plutonium mixed oxide (MOX) fuel for advanced reactors. DOE announced the restart in a Friday March 6 press release. It did not reveal a specific date for the restart driven by President Donald […]
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Transuranic Waste
New WIPP ventilation system, utility shaft ended up costing about $770M
PHOENIX — Installation of two major infrastructure projects at Department of Energy’s Waste Isolation Pilot Plan in New Mexico ended up costing about $770 million due to the pandemic, replacement of a major subcontractor and other factors, officials said here Wednesday. The cost of the Safety Significant Confinement Ventilation System (SSCVS), renamed the Underground Ventilation […]
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National Laboratories
Landlocked Livermore must tear down the old before building the new, exec says
PHOENIX – The land-constrained Lawrence Livermore National Laboratory near San Francisco, Calif. must demolish decaying old buildings covering a third of its footprint over the next 16 years, Livermore manager Mark Costella said here Tuesday. Livermore’s main Department of Energy National Nuclear Security Administration (NNSA) campus takes up only one square mile, Costella said. As […]
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Innovation & Infrastructure
Genesis Mission should produce advanced scientific platform, DOE exec says
PHOENIX— A Genesis consortium of public, private partnerships has already identified more than two dozen national science challenges, Kristen Ellis, a longtime DOE supervisor who is currently the associate principal deputy undersecretary for science, said here Tuesday. The Genesis Mission is designed to be a joint effort by industry and the Department of Energy’s national […]
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International
Seizing Iranian nuclear material could require U.S. troops on ground
The Donald Trump administration is considering deploying troops on the ground in Iran to secure the country’s stockpile of highly enriched uranium (HEU), news reports say. “People are going to have to go and get it,” Secretary of State Marco Rubio said at a Congressional briefing Tuesday about securing Tehran’s stockpile of uranium. Other news […]
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Naval Nuclear Propulsion
Courtney presses DoD on delayed multi-year sub contract
The ranking member of the House Armed Services Seapower and Projected Forces subcommittee in a Tuesday letter further pushed the Defense Department to award an overdue multi-year contract covering up to 11 Block VI Virginia-class attack submarines. Rep. Joe Courtney (D-Conn.) has been pushing DoD to award the contract that was authorized in the fiscal […]
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Transuranic Waste
WIPP outage addressing ‘substandard’ assets
The annual outage at the Department of Energy’s Waste Isolation Pilot Plant (WIPP) in New Mexico should end in the coming week, following significant replacement work and upgrades to infrastructure that a watchdog deemed “substandard or inadequate.” “The annual winter maintenance outage began on Jan. 5 this year and is scheduled to end in mid-March, […]
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Plutonium Pit Production
Full production approved for Savannah River pit production training center
The National Nuclear Security Administration (NNSA) greenlighted the start of full construction, or Critical Decision 2/3, for the High-Fidelity Training and Operations Center (HFTOC) at Savannah River Site. The HFTOC will function as a training facility, or a mock facility, for the Savannah River Plutonium Processing Facility’s Main Processing Building, according to a Monday press […]
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Naval Nuclear Propulsion
Electric Boat president says multi-sub award still months away
The president of General Dynamics Electric Boat division on Wednesday said a multi-year contract to procure 15 nuclear-powered submarines is still months away while also providing an update on lowering shipyard attrition rates and the utility of outsourcing. The Navy has been negotiating the deal with General Dynamics and Huntington Ingalls Industries (HII) on awards […]
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Naval Nuclear Propulsion
Sub forces commander pushes to maintain SSN(X) support, keep edge over China
The commander of Naval Submarine Forces last week argued it is “critically important” the government continues supporting the SSN(X) next generation nuclear-powered attack submarine program to maintain its advantage over China. “The Virginia-class submarine is highly capable, it is by far the most capable nuclear attack submarine that’s ever existed in the world,” Vice Admiral […]
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Uranium Enrichment & Fuel Cycle
Centrus enters agreements with Palantir and Oklo
Centrus Energy has announced multiple partnerships this week aiming to increase its fuel capacities and activities at its uranium enrichment facility in Piketon, Ohio. Centrus and Oklo agreed on Monday to seek a joint venture focused on deconversion services for high-assay low-enriched uranium (HALEU) and advancing fuel-cycle technologies in Ohio. The company then agreed to […]
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Delivery Systems & Nuclear Triad
USAF and Northrop Grumman break ground on Sentinel prototype silo
The Air Force broke ground Feb. 13 on a prototype silo for the Northrop Grumman LGM-35A Sentinel future intercontinental ballistic missile at the company’s Promontory, Utah, site, officials said at the Air & Space Forces Association’s warfare symposium. The prototype is to allow engineers to test and refine modern construction techniques, validating the new silo […]
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International
US strikes Iran over nuclear program
President Donald Trump announced early Saturday Feb. 28 the U.S. military and Israel began joint “major combat operations” in Iran with the objective of “eliminating imminent threats” from the regime. The following day the Pentagon reported Iran’s supreme leader had been killed. “They [Iran] rejected every opportunity to renounce their nuclear ambitions, and we can’t […]
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Contracts & Procurement
NNSA issues RFP for Savannah River Site; pit plant tour set
The Department of Energy’s National Nuclear Security Administration (NNSA) on Friday Feb. 27 released the highly anticipated request for proposals (RFP) for management and operations (M&O) of the Savannah River Site. The RFP is for a standalone performance-based contract, according to NNSA’s press release on the RFP. The base contract period would be five years, […]
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Non-Proliferation
Nonproliferation community expresses misgivings on Iran strike
The U.S. and Israel’s joint strikes on Iran, in reaction to what President Donald Trump said was fear of Iran developing a nuclear weapon, has led to a variety of mixed responses from hawks and doves alike. Early Saturday morning, Trump said in a filmed speech on social media that the U.S. military, gathered on […]
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Warhead & Weapons Development
UPF buildings responsible for most cost overrun and delay, GAO says
Cumulative cost and schedule overruns have increased since 2023 for the National Nuclear Security Administration’s (NNSA) portfolio of major projects in the execution phase, according to a report by the Government Accountability Office (GAO). As of June 2025, the NNSA’s portfolio’s cumulative cost overrun has increased from $2.1 billion in 2023 to $4.8 billion, the […]
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Nuclear Security & Deterrence Monitor
Nuclear Security & Deterrence Monitor Vol. 30 No. 9
Read Full Issue- NNSA issues RFP for Savannah River Site; pit plant tour set
- US strikes Iran over nuclear program
- Nonproliferation community expresses misgivings on Iran strike
- Trump, Anthropic feud has potential implications for NNSA
- USAF and Northrop Grumman break ground on Sentinel prototype silo
- Two re-entry vehicles featured in latest Minuteman III test, AFGSC says
- UPF buildings responsible for most cost overrun and delay, GAO says
- Nelson-Jean moves to NNSA’s Office of Environment, Safety & Health
- New sub forces head succeeds Gaucher, who preps for new sub czar job
- Incumbent Cornyn heads to runoff; Talarico wins Texas Dem primary
- Wrap up: SASC criticizes National Defense Strategy; Janus program in ‘middle’ of source selection; Griffith new IAEA nominee; more
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Nuclear Weapons & Stockpile
Nelson-Jean moves to NNSA’s Office of Environment, Safety & Health
Nicole Nelson-Jean, formerly the associate administrator of the National Nuclear Security Administration’s (NNSA) Office of Infrastructure, is now the principal associate administrator of NNSA’s Office of Environment, Safety and Health, according to her LinkedIn profile. A source told the Exchange Monitor Nelson-Jean will be deputy to Ahmad Al-Daouk, the associate administrator for the office. Nelson-Jean’s […]
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Nuclear Weapons & Stockpile
Trump, Anthropic feud has potential implications for NNSA
President Donald Trump has directed federal agencies to “immediately cease” working with technology from artificial intelligence (AI) firm Anthropic, and Defense Secretary Pete Hegseth has designated the company a “supply chain risk.” The Pentagon last July awarded Anthropic along with Google, OpenAI and xAI deals each worth up to $200 million to leverage their generative […]
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Naval Nuclear Propulsion
New sub forces head succeeds Gaucher, who preps for new sub czar job
Navy Vice Admiral Richard Seif relieved Vice Admiral Robert Gaucher as commander of Submarine Forces and Submarine Force Atlantic during a change of command ceremony Feb. 20 as the latter gets ready to become a new submarine leader. In January, the Senate confirmed Gaucher to become the first direct reporting portfolio manager for submarines, overseeing […]
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Delivery Systems & Nuclear Triad
Two re-entry vehicles featured in latest Minuteman III test, AFGSC says
The latest Air Force Minuteman III test on Tuesday featured multiple unarmed re-entry vehicles,according to the Air Force Global Strike Command said Wednesday. Air Force Global Strike Command’s (AFGSC) launch from Vandenberg Space Force Base, Calif., of the Glory Trip 255 test at 11:01 p.m. Pacific time on Tuesday included “two test re-entry vehicles,” AFGSC […]
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Budget & Policy
Incumbent Cornyn heads to runoff; Talarico wins Texas Dem primary
Texas, home to commercial and government nuclear facilities, must wait until May to learn what Republican will square off against upstart Democrat James Talarico in November’s U.S. Senate election. Longtime GOP incumbent Sen. John Cornyn appears to have edged out state Attorney General Ken Paxton and finished far ahead of Rep. Wesley Hunt in Tuesday’s […]
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Budget & Policy
Wrap up: SASC criticizes National Defense Strategy; Janus program in ‘middle’ of source selection; Griffith new IAEA nominee; more
Senate Armed Services Committee leadership on Tuesday criticized the Trump administration’s new National Defense Strategy, including for its absence of stance on nuclear weapons, and pressed Elbridge Colby, undersecretary of defense for policy, to explain the document’s priorities. “Previous National Defense Strategies, authored by both Republican and Democratic administrations, have been sober, analytical assessments of […]
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Plutonium Pit Production
NNSA memo requires mods to reach 100 pit capacity by end of 2028, 60 pits per year afterward
David Beck, deputy administrator for Defense Programs at the National Nuclear Security Administration (NNSA), sent a memo Feb. 11 outlining “transformation objectives” for nuclear weapons at the agency. The memo was sent to the DOE’s semi-autonomous agency’s laboratories, contractors and senior officials. It lists objectives considered “achievable” by the end of calendar year 2028, and […]
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Nuclear Security & Deterrence Monitor
Nuclear Security & Deterrence Monitor Vol. 30 No. 8
Read Full Issue- NNSA memo requires mods to reach 100 pit capacity by end of 2028, 60 pits per year afterward
- State of the Union: Trump waiting for “secret words” from Iran in talks
- US intelligence: China conducted 2020 explosive nuclear test, revamping arsenal
- Strong fourth quarter despite gov ops decrease for BWXT
- Pentagon details plan to raise ‘26 reconciliation spending to over $150B
- Sentinel software development “slower than anticipated,” GAO says
- Pentagon reconciliation funding has $4.5 billion to speed B-21 production
- Australia invests $2.8 billion in future SSN-AUKUS submarine shipyard
- Rolls-Royce F130 engine for B-52 passes key testing
- Oak Ridge lab vax policy litigation concludes
- Wrap up: NNSA, Sandia and KCNSC open innovation center; Congressman admires B-21s; Orano submits report for uranium enrichment plant; more
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National Laboratories
Wrap up: NNSA, Sandia and KCNSC open innovation center; Congressman admires B-21s; Orano submits report for uranium enrichment plant; more
The National Nuclear Security Administration (NNSA) on Feb. 12 opened the Center for Advanced Manufacturing and Innovation (CAMINO) with Kansas City National Security Campus and Sandia National Laboratories, according to a press release by Sandia. The CAMINO facility is located at Science and Technology Park outside Kirtland Air Force Base. The facility is meant to […]
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International
US intelligence: China conducted 2020 explosive nuclear test, revamping arsenal
After the State Department publicly revealed China secretly conducted an explosive nuclear test in 2020, despite a self-imposed ban from 1996, intelligence agencies are saying China’s purpose is to completely transform the country’s nuclear arsenal, according to CNN. The Feb. 21 article said sources familiar with U.S. intelligence assessments said the nuclear test could mean […]
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Contracts & Procurement
Strong fourth quarter despite gov ops decrease for BWXT
Earnings rose, though government operations fell, at BWX Technologies (BWXT), Lynchburg, Va., in the fourth quarter, which the company attributed to naval propulsion and commercial nuclear power awards. Net earnings for the fourth quarter ended Dec. 31 were $93 million, or $1.01 a share, up from $71 million, or $0.92 a share, in the year-ago […]














