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"Though we have acheived progress, our work is not over. That is why I support the mission of the Arms Control Association. It is, quite simply, the most effective and important organization working in the field today." 

– Larry Weiler
Former U.S.-Russian arms control negotiator
August 7, 2018
Nuclear Testing
  • June 10, 2020

    North Korean leader Kim Jong Un presided over a meeting where officials agreed to strengthen the country's nuclear deterrent, a move that Trump administration officials criticized. Pyongyang also cut all communication lines with Seoul, but South Korean President Moon remains committed to inter-Korean dialogue.

  • June 4, 2020

    On May 15, the Trump administration reportedly discussed conducting an explosive nuclear test, which the United States has not done since 1992.

  • June 1, 2020

    U.S. national security officials discussed the possibility of resuming U.S. nuclear testing for political purposes, but have made no decision so far.

  • May 29, 2020

    Executive director Daryl Kimball describes recent discussions by senior Trump administration officials to resume U.S. nuclear weapons testing and the effect such would have on global security and arms control. (May 29, 2020)

  • May 19, 2020

    The website for the Project for the CTBT has recently moved here, to the Arms Control Association. Welcome to its new home!

  • May 6, 2020

    The COVID-19 pandemic is reshaping thinking about national security and geopolitics Understanding these changes is crucial to how we—as advocates, analysts, educators, and engaged citizens—respond.

  • May 1, 2020

    North Korea has continued to test new missile systems and develop other new weapons as the United States aims to press sanctions.

  • May 1, 2020

    The State Department renews concerns that China and Russia may have conducted prohibited nuclear testing activities.

  • April 1, 2020

    A March 19 test shows the U.S. aim to keep up or surpass Chinese and Russian technology developments.

  • December 11, 2019

    Tensions mount as the United States and North Korea continue to each issue provocative statements ahead of Kim Jong Un’s end-of-year deadline for denuclearization negotiations. Despite the U.S. good-faith suspension of joint military exercises with South Korea, satellite imagery indicates that nuclear and missile development in North Korea is ongoing.

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