Hans M. Kristensen
Director, Nuclear Information Project at Federation of American Scientists
Associate Senior Fellow at sipri.org
Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, writing Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Articles
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3 weeks ago |
thebulletin.org | Hans M. Kristensen |Matt Korda |Eliana Johns |Mackenzie Knight
Russia is nearing the completion of a decades-long effort to replace all of its strategic and non-strategic nuclear-capable systems with newer versions.
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2 months ago |
thecipherbrief.com | Hans M. Kristensen
Posted: April 7th, 2025 EXPERT Q&A — The Pentagon has regularly warned in recent months about China’s rapid nuclear buildup, a potential sign of Beijing preparing for a “major-power war.” The Department of Defense has reported a steady pace of China’s nuclear modernization and expansion efforts, from new missile silo fields to development of ballistic missile submarines.
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2 months ago |
thebulletin.org | Hans M. Kristensen |Matt Korda |Eliana Johns |Mackenzie Knight
The modernization of China’s nuclear arsenal has both accelerated and expanded in recent years. In this issue of the Nuclear Notebook, we estimate that China now possesses approximately 600 nuclear warheads, with more in production to arm future delivery systems. China is believed to have the fastest-growing nuclear arsenal among the nine nuclear-armed states; it is the only Party to the Treaty on the Non-Proliferation of Nuclear Weapons that is significantly increasing its nuclear arsenal.
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Jan 13, 2025 |
thebulletin.org | Hans M. Kristensen |Matt Korda |Eliana Johns |Mackenzie Knight
As of January 2025, we estimate that the US Department of Defense maintained an estimated stockpile of approximately 3,700 nuclear warheads for delivery by ballistic missiles and aircraft. Most of the warheads in the stockpile are not deployed but rather stored for potential upload onto missiles and aircraft as necessary.
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Nov 19, 2024 |
sipri.org | Hans M. Kristensen |Wilfred Wan
On 11 December 2024, two leading SIPRI experts will take part in a panel on nuclear weapons organized by the Nobel Peace Prize. Dr Wilfred Wan, Director of SIPRI’s Weapons of Mass Destruction (WMD) Programme, and Hans M. Kristensen, Associate Senior Fellow in SIPRI’s WMD Programme and Director of the Nuclear Information Project at the Federation of American Scientists, will participate in the panel ‘NUKES—How to counter the threat’ during the Nobel Peace Prize Forum.
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Another false white supremacy-inspired claim by Trump about “genocide” against white farmers in South Africa, this time fact checked by CNN. 🔥 https://t.co/POemsrjmbv His concern about white people in South Africa is touching given how little he cares about brown people here.
Great backgrounder by @CombatAir about Russian nuke air-to-air missile mentioned in recent DIA testimony. https://t.co/YW55ci74JS Thanks for crediting my post https://t.co/xDAr7wlf4r I’ve heard rumors for years but weapon was mysteriously not included in DOD pubs since 2018.
DIA mentions Russian air-to-air nuclear missile. https://t.co/c1tkLUk5sE Potentially AA-13 (R37?) displayed in 2024 exercise. Says Russia "very unlikely" to use nukes unless facing existential threat to regime. Check FAS Russia nuke brief today: https://t.co/6UMhTugDle https://t.co/UoA5ChlSyA
USAF test-launched an unarmed Minuteman III ICBM from California into the Pacific. It carried one unarmed Mk21 RV for the W87 warhead. https://t.co/6Pp5fJEbFv Minuteman III will have to operate through 2050 due to chaos with new Sentinel ICBM program. https://t.co/K07CAOiZMP https://t.co/NAqH5VKX5E
