What Is the Sole Purpose of U.S. Nuclear Weapons? September 16, 2021
How can US officials assure allies that Biden’s sole purpose policy will increase their security, not decrease it?
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Nuclear Secrecy: In Defense of Reform May 26, 2021
One of the stranger features of nuclear weapons secrecy is the government’s ability to reach out and classify nuclear weapons-related information that has been privately generated without government involvement.
Read moreFirst New START Data After Extension Shows Compliance April 6, 2021
By Hans M. Kristensen The first public release of New START aggregate numbers since the United States and Russia in February extended the agreement for five years…
Read moreBritish Defense Review Ends Nuclear Reductions Era March 17, 2021
By Hans M. Kristensen and Matt Korda [Article updated May 11, 2021] The United Kingdom announced yesterday that it has decided to abandon…
Read moreFAS Presses for Release of Nuclear Stockpile Data March 11, 2021
Updated below For the past three years, the Trump Administration refused to provide an annual tally of the number of nuclear weapons in the U.S. nuclear stockpile or…
Read moreAging Electronics May Limit Nuke Reliability March 11, 2021
The use of commercial off-the-shelf (COTS) electronic parts in nuclear weapons systems may reduce the reliability of the US nuclear arsenal over time as the electronics age in ways that…
Read moreThe Treaty on the Prohibition of Nuclear Weapons Enters Into Force Today January 22, 2021
The Treaty on the Prohibition of Nuclear Weapons (TPNW) enters into force today, 90 days after the deposit of the 50th instrument of ratification. So…
Read moreNew NASIC Report Appears Watered Down And Out Of Date January 19, 2021
The US Air Force National Air and Space Intelligence Center (NASIC) has published a new version of its widely referenced Ballistic and Cruise Missile Threat report.
Read moreNNSA Nuclear Plan Shows More Weapons, Increasing Costs, Less Transparency December 30, 2020
The National Nuclear Security Administration’s (NNSA’s) new Stockpile Stewardship and Management Plan (SSMP) doubles the number of new nuclear warhead programs compared with the…
Read moreTrump Administration Again Refuses To Disclose Nuclear Weapons Stockpile Size December 3, 2020
The Trump administration has denied a request from the Federation of American Scientists to disclose the size of the US nuclear weapons stockpile and the number of dismantled warheads.
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