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Preventing Ukraine From Spiraling Out of Control

The crisis in Ukraine continues to simmer, but thankfully has not yet boiled over. Here are some of the developments since I last wrote on this topic, followed by some thoughts on what is needed to minimize the risk of the conflict spiraling out of control. Former Ukrainian President Leonid Kuchma assessed the situation as follows: Russia […]

05.09.14 | 5 min read
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Russian ICBM Force Modernization: Arms Control Please!

By Hans M. Kristensen In our Nuclear Notebook on Russian nuclear forces from March this year, Robert S. Norris and I described the significant upgrade that’s underway in Russia’s force of land-based intercontinental ballistic missiles (ICBMs). Over the next decade, all Soviet-era ICBMs will be retired and replaced with a smaller force consisting of mainly […]

05.08.14 | 8 min read
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Nuclear Modernization Briefings at the NPT Conference in New York

By Hans M. Kristensen Last week I was in New York to brief two panels at the Third Session of the Preparatory Committee for the 2015 Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (phew). The first panel was on “Current Status of Rebuilding and Modernizing the United States […]

05.05.14 | 3 min read
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US Nuclear Weapons Stockpile Number Declassified: Only 309 Warheads Cut By Obama Administration

By Hans M. Kristensen After a transparency hiatus of four years, the Obama administration has declassified the size of its nuclear weapons stockpile: 4,804 warheads as of September 2013. The new stockpile size is 309 warheads fewer than the 5,113 warheads that the administration in 2010 reported were in the stockpile as of September 2009. […]

04.30.14 | 3 min read
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China SSBN Fleet Getting Ready – But For What?

By Hans M. Kristensen China’s emerging fleet of 3-4 new Jin-class nuclear-powered ballistic missile submarines is getting ready to deploy on deterrent patrols, “probably before the end of 2014,” according to U.S. Pacific Command. A new satellite image taken in October 2013 (above) shows a Jin SSBN in dry dock at the Bohai shipyard in […]

04.25.14 | 10 min read
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The B61 Family of Nuclear Bombs

By Hans M. Kristensen Robert Norris and I have made an update to our Nuclear Notebook on the B61 nuclear bomb family. Kind of an arcane title but that cozy-feeling title is what the nuclear weapon designers call that half a dozen different types of B61 nuclear weapons that were derived from the original design. […]

04.25.14 | 3 min read
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B61-12 Nuclear Bomb Design Features

By Hans M. Kristensen Additional design details of the new B61-12 guided standoff nuclear bomb are emerging with new images. The image above shows a full-scale B61-12 model hanging in a wind tunnel at Arnold Air Force Base. The test “uncovered a previously uncharacterized physical phenomenon,” according to Sandia National Laboratories, that would affect weapons performance. […]

04.16.14 | 2 min read
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Is the Ukrainian Crisis Spiraling Out of Control?

Today’s news shows a heightened nuclear risk due to a dangerous feedback process at work in the Ukraine. The New York Times’ page 1 ominous headline was, “Striking Town, Ukraine Forces Defy Warning,” and the Wall Street Journal echoed the danger, “Ukraine Sends Troops East As Pro-Russia Forces Strike.” Is the Ukrainian crisis spiraling out of […]

04.14.14 | 7 min read
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Obama Administration Decision Weakens New START Implementation

By Hans M. Kristensen After four years of internal deliberations, the U.S. Air Force has decided to empty 50 Minuteman III ICBMs from 50 of the nation’s 450 ICBM silos. Instead of destroying the empty silos, however, they will be kept “warm” to allow reloading the missiles in the future if necessary. The decision to […]

04.09.14 | 4 min read
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New START Data Show Russian Increase, US Decrease Of Deployed Warheads

By Hans M. Kristensen The latest aggregate data released by the US State Department for the New START treaty show that Russia has increased its counted deployed strategic nuclear forces over the past six months. The data show that Russia increased its deployed launchers by 25 from 473 to 498, and the warheads attributed to […]

04.01.14 | 2 min read
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B61-12 Nuclear Bomb Integration On NATO Aircraft To Start In 2015

By Hans M. Kristensen The US Air Force budget request for Fiscal Year 2015 shows that integration of the B61-12 on NATO F-16 and Tornado aircraft will start in 2015 for completion in 2017 and 2018. The integration marks the beginning of a significant enhancement of the military capability of NATO’s nuclear posture in Europe […]

03.13.14 | 3 min read
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NATO Nuclear Weapons Security Costs Expected to Double

By Hans M. Kristensen The cost of securing U.S. non-strategic nuclear weapons deployed in Europe is expected to nearly double to meet increased U.S. security standards, according to the Pentagon’s FY2015 budget request. According to the Department of Defense NATO Security Investment Program , NATO has invested over $80 Million since 2000 to secure nuclear […]

03.11.14 | 2 min read
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