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Hans Kristensen

@nukestrat.bsky.social

17K followers 280 following 1.2K posts

Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own. Website: https://fas.org/initiative/nuclear-information-project/ .. more

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Hans Møller Kristensen is director of the Nuclear Information Project at the Federation of American Scientists. He writes about nuclear weapons policy there; he is coauthor of the Nuclear Notebook column in the Bulletin of the Atomic Scientists, and the World Nuclear Forces appendix in Stockholm International Peace Research Institute's annual SIPRI Yearbook. .. more

Political science 75%

Engineering 9%

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Hans Kristensen @nukestrat.bsky.social · Sep 5

🥁Our latest Nuclear Notebook is public: Pakistan Nuclear Weapons, 2025. It describes developments for missile launchers, cruise missiles, and aircraft. Published in the @BulletinAtomic and available for free in PDF www.tandfonline.com/doi/epdf/10.... and web format thebulletin.org/premium/2025...

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Hans Kristensen @nukestrat.bsky.social · 37m

7/7 - According to WP, the head of NATO’s Nuclear Policy Directorate said that despite the Kremlin’s continued and heated rhetoric, the allies “haven’t seen any change in Russia’s nuclear posture” recently.

More about these developments in our next Nuclear Notebook in November.

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Hans Kristensen @nukestrat.bsky.social · 37m

6/n - Russia has also been beefing up its nuke posture with new weapons, base upgrades, and a new "nuclear sharing" arrangement with supply of nuke-capable launchers to Belarus and construction of a nuke weapons storage site (pix from next Notebook).

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Hans Kristensen @nukestrat.bsky.social · 37m

5/n - USAF strategic bomber operations in support of NATO have also increased in last decade, and US strategic missile submarines have started occasional port visits to European ports and in 2024 staged unique nuclear signaling exercise off Norway (pix from next Nuke Notebook).

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Hans Kristensen @nukestrat.bsky.social · 37m

4/n - NATO is beefing up its nuke posture in Europe in response to Russia. Major upgrades are underway at 5 nuclear bases with more planned (image from our next Nuke Notebook). RAF Lakenheath is getting nuke mission, UK plans to add RAF Marham, and France is adding nuke air base.

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Hans Kristensen @nukestrat.bsky.social · 37m

3/n - Over the past two years, the USAF has deployed the new B61-12 guided nuclear bomb to 6 (possibly 7) bases in Europe. Loading of the B61-12 (trainer) was practiced during Ex Decisive North at Belgian Klein Brogel AB three weeks ago: www.dvidshub.net/news/549246/...

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Hans Kristensen @nukestrat.bsky.social · 37m

2/n - With 71 aircraft from 14 countries, this year's Steadfast Noon appears to be the largest so far. It will be centered around North Sea, involve bases in BE, DK, NL, and UK, and include aircraft from Finland and Poland. WP has writeup: www.washingtonpost.com/world/2025/1...

NATO begins a big nuclear exercise next week. Protecting the weapons is a key part of the drill

NATO has announced that its major annual nuclear exercise, “Steadfast Noon,” is starting next week

www.washingtonpost.com

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Hans Kristensen @nukestrat.bsky.social · 37m

1/n - An upbeat NATO Secretary General in front of a Dutch F-35A at Volkel Air Base announced that NATO will hold its annual Steadfast Noon tac nuke exercise next week. youtu.be/wjrCE1En1as

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Hans Kristensen @nukestrat.bsky.social · 12h

Irony is dead. The Trump regime - led by man found guilty of fraud - indicts “adversary” NY Attorney General for alleged fraud. Trump’s newly appointed inexperience loyalist Halligan said: “No one is above the law.” That of course includes Trump…oh wait! www.washingtonpost.com/national-sec...

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Hans Kristensen @nukestrat.bsky.social · 1d

Well-deserved “genius award” awarded by @macfound to @sebphilippe.bsky.social for his work on exposing past harms and potential future risks from building, testing, and storing launch-ready nuclear weapons. www.macfound.org/fellows/clas... Congratulations!🥇

Sébastien Philippe

Exposing past harms and potential risks from building, testing, and storing launch-ready nuclear weapons.

www.macfound.org

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Hans Kristensen @nukestrat.bsky.social · 2d

Good news on the nukes front: as the time is running out for the New START Treaty that expires in four months, Putin and Trump are signaling they might be willing to continue to adhere to the limits for another year. apnews.com/article/russ...

Kremlin welcomes Trump's comments on Putin's offer to extend the New START nuclear arms pact

The Kremlin has welcomed U.S. President Donald Trump’s comments about Russia’s offer to extend the last remaining nuclear arms treaty with the United States, saying it raises hope for keeping the pact...

apnews.com

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Hans Kristensen @nukestrat.bsky.social · 3d

Renewable energy now bigger than coal as global electricity source and more than covered the increased demand last year. Except in the USA, where the Trump regime is taking country backward resulting in halving of renewable growth forecast. EU also dipped. www.bbc.com/news/article...

Renewables overtake coal as world's biggest source of electricity

Developing countries lead the historic clean energy charge but the US and EU rely more on fossil fuels than before, a think tank study shows.

www.bbc.com

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Hans Kristensen @nukestrat.bsky.social · 7d

Danish defense Intel assessment of hybrid threat against Denmark concludes “Russia is currently conducting hybrid warfare against NATO and the West” but that “The threat of conventional military attacks against Denmark is NONE.” www.fe-ddis.dk/da/nyheder/2...

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Hans Kristensen @nukestrat.bsky.social · 7d

3/3 "The W87-1 program is not producing a SAR even though it has entered Phase 6.3. NNSA officials stated that delays to DOD’s [Sentinel ICBM program] have delayed accurate cost estimates for the W87-1 program."

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Hans Kristensen @nukestrat.bsky.social · 7d

2/3 Although required by law to provide cost growth notifications to Congress, NNSA has not developed an effective process to consistently provide notifications of reportable cost growth. A lack of written NNSA guidance has led to missing or deficient root cause assessments.

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Hans Kristensen @nukestrat.bsky.social · 7d

1/3 GAO report: "NNSA has not implemented effective processes to manage cost growth notifications...We identified 14 baselined construction projects" of which "seven have exceeded or are likely to exceed the threshold for a cost growth notification." www.gao.gov/assets/gao-2...

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Reposted by Hans M. Kristensen

Chris Gordon @bychrisgordon.bsky.social · 8d

The Pentagon is downgrading a significant 4-star Air Force position, making the commander of U.S. Air Forces in Europe, who is also head of NATO Allied Air Command, a 3-star job, effectively demoting the U.S. commander below his or her NATO counterparts. www.airandspaceforces.com/usafe-nato-a...

Air Force Downgrading USAFE Commander Job to 3 Stars

The Pentagon is downgrading the position of U.S. Air Forces in Europe-Air Forces Africa commander into a three-star billet.

www.airandspaceforces.com

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Hans Kristensen @nukestrat.bsky.social · 9d

The secretary of war, who thinks he’s a warrior, wants fit men and war preparation. And the president, who thinks he’s CEO of the United States Inc., says he wants military to go to war against American cities. Welcome to the Trump regime. 🤪 www.war.gov/Multimedia/V...

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Hans Kristensen @nukestrat.bsky.social · 10d

With a Congress paralyzed by hyper-partisanship and a White House that can’t govern and has crippled agencies, a government shutdown Wednesday sounds less dramatic; our government has essentially already been shut down. www.washingtonpost.com/business/202...

Government shutdown set to begin overnight as Congress hits impasse

Government funding will run out at the end of the day, and lawmakers do not have a bipartisan solution.

www.washingtonpost.com

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Hans Kristensen @nukestrat.bsky.social · 10d

After firing independent watchdogs at 19 agencies and installing partisan loyalists, the Trump regime cuts funding of oversight group that helps inspectors general root out waste, fraud and abuse. www.washingtonpost.com/politics/202...

Yep, it is as corrupt and dangerous as it sounds.

Trump administration moves to defund inspector general watchdog group

The decision marks the latest example of the administration’s push to limit government oversight activities.

www.washingtonpost.com

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Hans Kristensen @nukestrat.bsky.social · 10d

Only in the backward and corrupt Trump regime would you find people who would advocate for expanding the dirty coal industry. 🙄

Aaron Rupar @atrupar.com · 11d

Energy Secretary Chris Wright on Fox: "We're announcing today expanded programs to help the American coal industry. We're helping it because for years it has been under assault. It was out of fashion with the chardonnay set in San Francisco, Boulder, and NYC ... coal just makes the world go round."

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Hans Kristensen @nukestrat.bsky.social · 10d

As the clock is ticking down for the New START treaty expiring in four months, very timely publication of the latest volume Foreign Relations of the United States 1989-1991. This volume is on the START I treaty: history.state.gov/historicaldo...

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Reposted by Hans M. Kristensen, Henry Jones

Reveal @revealnews.org · 10d

Good news! Paul Dama, a Nigerian man in ICE detention, has finally been freed!

Earlier this month, we spoke with his sister and the other families torn apart by the Trump administration's mass deportations.

🎧 You can listen to his full story here: tinyurl.com/4cm2bsdr

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Aaron Rupar @atrupar.com · 11d

1.9K 790 2.7K

Reposted by James Cameron

Hans Kristensen @nukestrat.bsky.social · 11d

I spoke with NYT about the expanding DF-26 base in eastern China. www.nytimes.com/interactive/...

Read more in our recent China Nuclear Notebook: www.tandfonline.com/doi/epdf/10....

The Missiles Threatening Taiwan

China’s rapidly growing missile force threatens Taiwan and the U.S. forces that protect the island.

www.nytimes.com

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Hans Kristensen @nukestrat.bsky.social · 13d

The Trump regime hates facts. Everything has to bend to his will.

Gabbard Ends Intelligence Report on Future Threats to US. Some issues in the document, which is issued every four years, had become politically inconvenient, former officials said. www.nytimes.com/2025/09/26/u...

Gabbard Ends Intelligence Report on Future Threats to U.S.

www.nytimes.com

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Hans Kristensen @nukestrat.bsky.social · 13d

I’m old enough to remember when the Republicans were screaming and complaining that Biden had weaponized the Department of Justice. Now it has become an attach dog for the Orange king. www.bbc.com/news/article...

Comey indictment escalates Trump's promise of political retribution

The criminal case against Comey fulfils the president's desire to seek retribution and further raises concerns about abuse of power.

www.bbc.com

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Hans Kristensen @nukestrat.bsky.social · 14d

3/3 - Read more about India's nuclear forces in our Nuclear Notebook here: www.tandfonline.com/doi/epdf/10....

Indian nuclear weapons, 2024

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www.tandfonline.com

Hans Kristensen @nukestrat.bsky.social · 14d

2/3 - Government seems to have a hard time figuring out what type of missile Agni P is. Statements call Agni P an intermediate range missile (3,000+ km), but say it's "designed to cover a range of up to 2,000 km," which makes it a medium-range missile. www.pib.gov.in/PressRelease...

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Hans Kristensen @nukestrat.bsky.social · 14d

1/3 - India yesterday test-launched Agni-Prime ballistic missile from what looks like an actual rail launcher. x.com/drdo_india/s... Credited with "cross country mobility" and "capability to launch within a short reaction time with reduced visibility." www.pib.gov.in/PressRelease...

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Hans Kristensen @nukestrat.bsky.social · 14d

3/3 - Read more about India's nuclear forces in our Nuclear Notebook here: www.tandfonline.com/doi/epdf/10....

Indian nuclear weapons, 2024

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