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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US B-1B bomber assurance missions to Korea

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 expanded military exercises around the peninsula to attempt to coerce the regime and assure US allies in Seoul and Tokyo. Perhaps […]

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NATO Nuclear Exercise Underway With Czech and Polish Participation

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 nuclear strike mission with dual-capable aircraft (DCA) and the B61 tactical nuclear bombs the US deploys in Europe. In addition to nuclear-capable aircraft from Belgium, Germany, Italy and the Netherlands, local […]

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NASIC Removes Russian INF-Violating Missile From Report

By Hans M. Kristensen The U.S. Air Force National Air and Space Intelligence Center (NASIC) has quietly published a corrected report on the world’s Ballistic and Cruise Missile Threats that deletes a previously identified Russian ground-launched cruise missile. The earlier version, published on June 26, 2017, identified a “ground” version of the 3M-14 land-attack cruise […]

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