Russian ICBM Upgrade at Kozelsk

Posted on September 5, 2018

An SS-27 Mod 2 (Rs-24, Yars) is loaded into an upgraded silo at Kozelsk. Image: Russian MOD. 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 pr …


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New Nuclear Notebook: Pakistani Nuclear Forces, 2018

Posted on September 4, 2018

A Babur-3 dual-capable SLCM is test-launched from an underwater platform in the Indian Ocean on January 9, 2017. By Hans M. Kristensen, Robert S. Norris, and Julia Diamond The latest FAS Nuclear Notebook has been published in the Bulletin of the Atomic …


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The Pentagon’s Annual Report on Chinese Military

Posted on August 17, 2018

By Hans M. Kristensen [Updated August 21, 2018] The Pentagon’s annual report to Congress on China’s military and security developments has finally been published, several months later than previous volumes. Normally it takes about one month after the r …


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Russia Upgrades Nuclear Weapons Storage Site In Kaliningrad

Posted on June 18, 2018

A buried nuclear weapons storage bunker in the Kaliningrad district has been under major renovation since mid-2016. Click on image to see full size. By Hans M. Kristensen During the past two years, the Russian military has carried out a major renovatio …


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

Posted on May 24, 2018

The U.S. SSBN fleet conducted 27 nuclear deterrent patrols in 2017, but with a mysterious reduction in the Pacific. Click graph to view full size. By Hans M. Kristensen Despite their age, U.S. nuclear ballistic missile submarines (SSBNs) continue to ca …


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Despite Rhetoric, US Stockpile Continues to Decline

Posted on March 22, 2018

Click on image to view full size. Full document here. 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 informa …


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

Posted on February 8, 2018

Russia and the United States are currently in compliance with the treaty limits of the New START treaty. This table summarizes the evolution of the three weapons categories reported between 2011 and 2018. (Click on graph to view full size.) By Hans M. …


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

Posted on January 13, 2018

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 …


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NNSA’s New Nuclear Stockpile Stewardship and Management Plan

Posted on November 16, 2017

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 oth …


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US B-1B bomber assurance missions to Korea

Posted on November 6, 2017

Two USAF B-1B Lancer bombers fly alongside a JASDF F-2 over the East China Sea, October 21, 2017. Photo: PACAF, http://www.pacaf.af.mil/News/Photos/igphoto/2001830673/ By Adam Mount As the Trump administration has prioritized North Korea, it has expand …


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CBO Study Presents Options For A More Affordable Nuclear Modernization Plan

Posted on October 31, 2017

A new report by the U.S. Congressional Budget Office (CBO) projects that the current plan to sustain and modernize US nuclear forces will cost $1.2 trillion over the next 30 years – or $41.4 billion per year. A study by the James Martin Center for Nonp …


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NATO Nuclear Exercise Underway With Czech and Polish Participation

Posted on October 17, 2017

Image: https://www.facebook.com/lowapproach/posts/1468961693225121. Hat tip: Roel Stynen. By Hans M. Kristensen NATO reportedly has quietly started its annual Steadfast Noon nuclear strike exercise in Europe. This is the exercise that practices NATO’s …


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