Hans M. Kristensen

Recent Activity from Hans M. Kristensen

Russian ICBM Upgrade at Kozelsk

By Hans M. Kristensen New satellite photos show substantial upgrades of ICBM silos at the missile field near Kozelsk in western Russia. The images show that progress is well underway on at least half of the silos (possibly more) of the second regiment of the 28th Guards Missile Division from the Soviet-era SS-19 ICBM to […]

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US SSBN Patrols Steady, But Mysterious Reduction In Pacific In 2017

By Hans M. Kristensen Despite their age, U.S. nuclear ballistic missile submarines (SSBNs) continue to carry out strategic deterrent patrols at a steady rate of around 30 patrols per year, according to data obtained from the U.S. Navy under the Freedom of Information Act (FOIA) by the Federation of American Scientists’ Nuclear Information Project. Yet […]

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Despite Rhetoric, US Stockpile Continues to Decline

By Hans M. Kristensen The US nuclear weapons stockpile dropped to 3,822 warheads by September 2017 – down nearly 200 warheads from the last year of the Obama administration, according to new information released by the Department of Defense in response to a request from the Federation of American Scientists (see here for full document). […]

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After Seven Years of Implementation, New START Treaty Enters Into Effect

By Hans M. Kristensen [Note: On February 22nd, the US State Department published updated numbers instead of relying on September 2017 numbers. This blog and tables have been updated accordingly.] Seven years after the New START treaty between Russia and the United States entered into force in 2011, the treaty entered into effect on February […]

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New Data Shows Detail About Final Phase of US New START Treaty Reductions

By Hans M. Kristensen The full unclassified New START treaty data set released by State Department yesterday shows that the US reduction of its nuclear forces to meet the treaty limit had been completed by September 1, 2017, more than four months early before the deadline next month on February 5, 2018. The data set […]

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NNSA’s New Nuclear Stockpile Stewardship and Management Plan

By Hans M. Kristensen The National Nuclear Security Administration (NNSA) has published its long-awaited Stockpile Stewardship and Management Plan (SSMP) for Fiscal Year 2018. The SSMP is NNSA’s 25-year strategic program of record. I’ll leave it to others to analyze the infrastructure and fissile material portions and focus on the nuclear weapons life-extension programs (LEPs) […]

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