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2017 Nuclear Stockpile Total Declassified

The number of nuclear weapons in the U.S. nuclear stockpile dropped to 3,822 as of September 30, 2017, down from 4,018 a year earlier. (Retired weapons awaiting dismantlement are not included in the totals.)The totals do not include weapons that are retired and awaiting dismantlement.) Meanwhile, 354 nuclear weapons were dismantled in 2017, up from 258 […]

03.22.18 | 1 min read
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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). […]

03.22.18 | 3 min read
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US Strategic Nuclear Forces, and More from CRS

The Congressional Research Service recently updated its report on US nuclear weapons and programs. See U.S. Strategic Nuclear Forces: Background, Developments, and Issues by Amy F. Woolf, March 6, 2018. That is also the subject of a new survey prepared by Hans M. Kristensen and Robert S. Norris of the Federation of American Scientists. See […]

03.08.18 | 1 min read
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Nuclear Weapons Spending, Blockchain, & More from CRS

The Trump Administration requested $11.02 billion for maintenance and refurbishment of nuclear weapons in the coming year. This represents a 19% increase over the amount appropriated in FY2017. Recent and proposed nuclear weapons-related spending is detailed by Amy F. Woolf of the Congressional Research Service in Energy and Water Development Appropriations: Nuclear Weapons Activities, February 27, […]

03.01.18 | 1 min read
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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 […]

02.08.18 | 4 min read
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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 […]

01.13.18 | 5 min read
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2018 Nuclear Posture Review

Updated: 2/6/2018, 15:32 The Nuclear Posture Review (NPR) is the Pentagon’s primary statement of nuclear policy, produced by the last three presidents in their first years in office. The Trump NPR perceives a rapidly deteriorating threat environment in which potential nuclear-armed adversaries are increasing their reliance on nuclear weapons and follows suit. The review reverses decades of […]

01.10.18 | 4 min read
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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) […]

11.16.17 | 10 min read
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President’s Power to Use Nuclear Weapons, & More from CRS

The President’s authority to use nuclear weapons — which is the subject of a congressional hearing today before the Senate Foreign Relations Committee — was addressed in several recent publications of the Congressional Research Service. A new CRS Legal Sidebar addresses the unresolved question: Can Congress Limit the President’s Power to Launch Nuclear Weapons? A detailed new […]

11.14.17 | 2 min read
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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 […]

11.06.17 | 7 min read
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CBO Study Presents Options For A More Affordable Nuclear Modernization Plan

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 Nonproliferation Studies in 2014 projected the cost would be “over $1 […]

10.31.17 | 4 min read
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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 […]

10.17.17 | 3 min read
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