Vol. 30, No. 9 
NNSA issues RFP for Savannah River Site; pit plant tour set
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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must be logged in as a […]
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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence […]
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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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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must be logged in as […]
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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must be logged in as a […]
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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,… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must be logged in as a […]
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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must be logged in as a subscriber to view this […]
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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must […]
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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must be logged in as […]
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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… SUBSCRIBER ACCESS Thank you for visitingNuclear Security & Deterrence Monitor! You must be logged in as a subscriber to […]