Non-Proliferation
U.S. and international efforts to prevent the spread of nuclear weapons, materials, and technology — including treaties, safeguards, and cooperative threat reduction programs.
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Nuclear Weapons & Stockpile
Office of Inspector General finds no proof that NNSA published sensitive data
The Office of Inspector General did not find that the National Nuclear Security Administration failed to follow export control regulations, despite complaints to that effect, according to a recent report. The report, published Aug. 7, said the Office of Inspector General (OIG) received a complaint through a hotline alleging the DOE’s semi-autonomous National Nuclear Security […]
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Nuclear Weapons & Stockpile
Office of Inspector General finds no proof that NNSA published sensitive data
The Office of Inspector General did not find that the National Nuclear Security Administration failed to follow export control regulations, despite complaints to that effect, according to a recent report. The report, published Aug. 7, said the Office of Inspector General (OIG) received a complaint through a hotline alleging the DOE’s semi-autonomous National Nuclear Security […]
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Nuclear Weapons & Stockpile
NNSA teams up with AI company on tool to flag potential nuclear weapons misuse
The National Nuclear Security Administration (NNSA) is teaming up with Anthropic to build a tool that can determine whether artificial intelligence is providing knowledge on nuclear weapons that can be used for nefarious purposes. Anthropic, a 2021 San Francisco-based AI safety and research company that built AI assistant models like Claude, announced last week that […]
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Non-Proliferation
Oppenheimer’s grandson urges ‘peaceful nuclear renaissance’ in Times article
The international community can abandon fear of nuclear weapons by harnessing nuclear energy for peaceful purposes instead, Charles Oppenheimer wrote in Times magazine Aug. 17. Charles Oppenheimer is the grandson of the first director of Los Alamos National Laboratory during the Manhattan Project and the widely-called “father of the atomic bomb,” J. Robert Oppenheimer. Charles […]
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Naval Nuclear Propulsion
Wrap-up: Hiroshima 80th anniversary and Gaza; Navy nuclear reactor solicitation; NNSA increase communities’ security; Italy nuclear tech and more; Obituary
In memory of the atomic bomb dropped on Hiroshima 80 years ago on Aug. 6, 1945, Ghasson Shahrour, a medical expert at the Campaign to Abolish Nuclear Weapons, wrote that “we cannot stop future Hiroshimas if we’ve allowed today’s Gazas to burn.” “Every August 6, the world is asked to pause—for memory, for reflection, for […]
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International
Russia exits nuclear treaty with U.S.
Russia “no longer considers itself bound” to a self-imposed treaty between the United States and Moscow that prohibits deploying intermediate-range missiles, Russia’s Foreign Ministry said in a statement Monday. The Intermediate-Range Nuclear Forces (INF) Treaty was a pact made in 1987, during the Cold War, which banned ballistic and cruise missiles launched from land with […]
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International
Russia exits nuclear treaty with U.S.
Russia “no longer considers itself bound” to a self-imposed treaty between the United States and Moscow that prohibits deploying intermediate-range missiles, Russia’s Foreign Ministry said in a statement Monday. The Intermediate-Range Nuclear Forces (INF) Treaty was a pact made in 1987, during the Cold War, which banned ballistic and cruise missiles launched from land with […]
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International
E3 nuclear meetup with Iran after China and Russia meeting
Iran met with France, Germany and the United Kingdom, or the E3 nations, on Friday in Istanbul to discuss nuclear matters, a spokesperson for the Iranian foreign ministry said in state media. This is Iran’s second meeting concerning nuclear matters this week, as Iran met with China and Russia Tuesday to discuss its nuclear program […]
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International
IAEA says inspectors ‘safely’ depart from Iran, power still cut at Zaporizhzhia
Inspectors from the International Atomic Energy Agency departed from Iran on July 4 to return to headquarters in Vienna, the agency said on website X that day. The inspectors had been in Tehran “throughout the recent military conflict,” the post said. The agency’s director general Rafael Grossi also “reiterated the crucial importance of the IAEA […]
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International
Trilateral meeting set between Iran, China and Russia ahead of E3 nuclear meetup
Iran will meet with China and Russia Tuesday to discuss its nuclear program and potential snapback sanctions, an Iranian foreign ministry spokesperson said Monday in a briefing. The meeting will come ahead of a meeting in Istanbul between Iran and France, Germany and the United Kingdom, or the E3 nations, on Friday. The E3 nations, […]
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International
IAEA does full-scope review of China’s nuclear facilities
The International Atomic Energy Agency (IAEA), the United Nations’ nuclear watchdog, recently concluded a 12-day mission to China where it conducted a full-scope review of all of China’s nuclear facilities, activities and safety framework. This review is the first of its kind in almost a decade, according to the Nuclear Engineering International (NEI) publication. The […]
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Budget & Policy
House E&W subcommittee passes bill with NNSA increase, more cuts to nonproliferation
The House appropriations subcommittee on energy and water passed a fiscal 2026 appropriations bill 10-5 Monday that would give $25.317 billion to the National Nuclear Security Administration (NNSA). That’s around $1.182 billion above the fiscal 2025 levels, although the funding for the Department of Energy as a whole is $1.396 billion below 2025 levels at […]
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International
IAEA says inspectors ‘safely’ depart from Iran, power still cut at Zaporizhzhia
Inspectors from the International Atomic Energy Agency departed from Iran on July 4 to return to headquarters in Vienna, the agency said on the X social media platform that day. The inspectors had been in Tehran “throughout the recent military conflict,” the post said. The agency’s director general Rafael Grossi also “reiterated the crucial importance […]
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International
IAEA says inspectors ‘safely’ depart from Iran, power still cut at Zaporizhzhia
Inspectors from the International Atomic Energy Agency departed from Iran on July 4 to return to headquarters in Vienna, the agency said on website X that day. The inspectors had been in Tehran “throughout the recent military conflict,” the post said. The agency’s director general Rafael Grossi also “reiterated the crucial importance of the IAEA […]
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International
Senators introduce bipartisan bill to streamline AUKUS collaboration
A bipartisan group of senators introduced a new bill aimed at streamlining defense industrial base collaboration with Australia and the United Kingdom. for the AUKUS submarine technology sharing agreement. Sens. Tim Kaine (D-Va.), ranking member of the Senate Armed Services seapower subcommittee, and Pete Ricketts (R-Neb.) introduced the AUKUS Improvement Act last week to exempt […]
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Non-Proliferation
Amid Iran rift, former NNSA Nuclear Nonproliferation head: Don’t cut nonproliferation funds
Corey Hinderstein, the former National Nuclear Security Administration’s deputy administrator for defense nuclear nonproliferation during the Joe Biden administration, said increasing weapons and slashing nonproliferation spending in the budget is a “recipe for national security failure.” “Cutting nonproliferation funding would be lose-lose: harming programs with valuable near-term threat-reduction benefits and making deterrence less sustainable for […]
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International
Analyst: Iran’s nuclear program will value “stealth, not speed,” many facilities left standing
Iran is likely more interested in “being sneaky than being fast” regarding accelerating its proliferation post-strikes from the U.S. and Israel, a former State department official told the Exchange Monitor in an interview this week. “Stealth, not speed, is the most important factor here,” Jeffrey Lewis, a nonproliferation expert and professor at the James Martin […]
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Non-Proliferation
Amid Iran rift, former NNSA Nuclear Nonproliferation head: Don’t cut nonproliferation funds
Corey Hinderstein, the former National Nuclear Security Administration’s deputy administrator for defense nuclear nonproliferation during the Joe Biden administration, said increasing weapons and slashing nonproliferation spending in the budget is a “recipe for national security failure.” “Cutting nonproliferation funding would be lose-lose: harming programs with valuable near-term threat-reduction benefits and making deterrence less sustainable for […]
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International
Iran strikes U.S. Mideast military bases, likely ‘moved’ uranium, IAEA says
Iran reportedly launched airstrikes on U.S. military installations in Iraq and Qatar in retribution of the United States. bombings of Iran’s main nuclear sites, Iranian state media reported Monday. “With the US aggression on Iran, it became clear for all that the Zionists’ evil acts have been an extension of the Americans’ planning,” The Islamic […]
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International
Wrap up: Israel conducts non-U.S. approved strike on Iran among nuclear talks; NNSA removes cesium irradiators; budget delays; Padilla taken down at Homeland Security press conference; more
Israeli officials took credit for attacks on Tehran’s military and nuclear facility early Friday morning, even without approval from President Donald Trump or the International Atomic Energy Agency, media outlets like the New York Times reported. The attack comes just before the United States and Iran were to resume high-level talks over Tehran’s nuclear program […]
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Non-Proliferation
Garamendi laments nonproliferation cuts, pits ‘sinkhole’ in $5.5 billion extra for weapons
Rep. John Garamendi (D-Calif.), a vocal nuclear critic and member of the House Armed Services Strategic Forces subcommittee, told the Exchange Monitor over the phone Thursday that the extra funding for weapons activities in the White House budget could be better spent on non-proliferation or studying plutonium aging. “At the same time they’re increasing the […]
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International
Kremlin says Golden Dome could lead to U.S.-Russia nuclear arms control
A Kremlin spokesperson said last week that President Donald Trump’s Golden Dome plan could force both Washington and Moscow to resume nuclear arms control talks, media reported. “In the foreseeable future, the very course of events requires the resumption of contacts on issues of strategic stability,” Dmitry Peskov told Reuters. Trump and Secretary of Defense […]
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International
Wrap up: Fifth Iran talk ‘constructive’; Trump EO includes nuclear-supported data center; SASC member will not seek reelection
A state department spokesperson said Tuesday that the fifth round of talks in Rome between the U.S. and Iran May 23 on a nuclear deal was “constructive.” Iranian Foreign Minister Abbas Araghchi still maintains there is “no room for compromise” on keeping enrichment in Iran, he told Iranian state media after the fourth round of […]
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International
Kremlin says Golden Dome could lead to U.S.-Russia nuclear arms control
A Kremlin spokesperson said last week that President Donald Trump’s Golden Dome plan could force both Washington and Moscow to resume nuclear arms control talks, media reported. “In the foreseeable future, the very course of events requires the resumption of contacts on issues of strategic stability,” Dmitry Peskov told Reuters. Trump and Secretary of Defense […]
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Budget & Policy
Wrap up: One Big Beautiful Bill passed by House; Golden Dome budget and timeline announced; Iran insists on enriching over 20%; AUKUS manager and more; Obituary
President Donald Trump’s “One Big Beautiful Bill Act,” a tax bill, was passed in the House in the middle of the night Wednesday into Thursday 215-214 largely on party lines with Republicans Thomas Massie (Ky.) and Warren Davidson (Ohio) voting against and Freedom Caucus chair Andy Harris (R-Md.) voting “present.” The portion relevant to the […]
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Non-Proliferation
Iran nuclear deal draws questions for defense nuclear nonproliferation nominee
Matthew Napoli, President Donald Trump’s nominee to head the Defense Nuclear Nonproliferation office in the National Nuclear Security Administration, said he is committed to working with allies to prevent state and nonstate actors, including Iran, from obtaining a nuclear weapon. “We know there are discussions about the Iranian nuclear program, and we’re also very aware […]
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Non-Proliferation
U.S. sanctions Iranian nationals for nuclear-related research
Three Iranian nationals and one Iranian entity with ties to the successor organization to Iran’s nuclear weapons program prior to 2004, were sanctioned by the U.S. State Department this week. The entities’ ties to the organization, called Iran’s Organization of Defense Innovation and Research (SPND), “materially contribute to, pose a risk of materially contributing to, […]
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Non-Proliferation
U.S. sanctions Iranian nationals for nuclear-related research
Three Iranian nationals and one Iranian entity with ties to the successor organization to Iran’s nuclear weapons program prior to 2004, were sanctioned by the U.S. State Department Monday. The entities’ ties to the organization, called Iran’s Organization of Defense Innovation and Research (SPND), “materially contribute to, pose a risk of materially contributing to, the […]
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Non-Proliferation
Iran nuclear deal draws questions for defense nuclear nonproliferation nominee
Matthew Napoli, President Donald Trump’s nominee to head the Defense Nuclear Nonproliferation office in the National Nuclear Security Administration, said he is committed to working with allies to prevent state and nonstate actors, including Iran, from obtaining a nuclear weapon. “We know there are discussions about the Iranian nuclear program, and we’re also very aware […]
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Budget & Policy
Senate Armed Services to hear from NNSA nonproliferation lead pick
The Senate Armed Services Committee will hear testimony Tuesday morning from President Donald Trump’s nominee for deputy administrator for defense nuclear nonproliferation for the Department of Energy’s semi-autonomous National Nuclear Security Administration. Matthew Napoli, the administration’s nominee to be deputy administrator for defense nuclear nonproliferation of the National Nuclear Security Administration, is scheduled to testify […]










