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– Lisa Beyer
Bloomberg News
August 27, 2018
Project for the Comprehensive Test Ban Treaty

Project for the CTBT Blog

The Project for the CTBT aims to support and coordinate the work of NGOs and policy, scientific and security experts in order to provide the public and policy-makers with sound information and analysis about the Comprehensive Test Ban Treaty. The following updates provide news and analyses on the status of the treaty and work of the CTBT Organization. To receive these by email, subscribe to our regular updates list.

Quick References:

  • NNSA Experiments With New Nuclear Test Detection Tools
    May 6, 2015
    The National Nuclear Security Administration (NNSA) recently led an experiment designed to improve the United States’ ability to detect underground nuclear explosions using conventional and advanced detection technology. This experiment was the fourth in a series of experiments conducted since 2011.
  • Humanitarian Impact of Nuclear Weapons Conference in Vienna
    December 8, 2014
  • CTBTO Group of Eminent Persons (GEM) Meets April 10-11
    April 15, 2014
    Members of the Group of Eminent Persons (GEM) met in Stockholm for discussions with Swedish Foreign Minister and independent experts from the Arms Control Association, SIPRI, and the Arab Institute for Security Studies on steps to advance prospects for signature and ratification in the remaining Annex 2 states.
  • Gottemoeller on "The History and Future of the CTBT" from Hiroshima
    April 15, 2014
    On April 12, 2014, Rose Gottemoeller, U.S. Undersecretary of State for Arms Control and International Security, spoke at Hiroshima University on the history and future of the Comprehensive Test Ban Treaty (CTBT).
  • North Korea Threatens "New Form" of Nuclear Test
    April 8, 2014
    The Democratic People’s Republic of Korea (DPRK) will “not rule out a new form of nuclear test to bolster up its nuclear deterrence,” the DPRK’s foreign ministry announced on March 30. Further information about this “new form” of test was not revealed, but the U.S. and its allies have long suspected the DPRK was trying to develop a nuclear warhead small and sophisticated enough to mount on the intercontinental ballistic missile it was also developing.
  • U.S. Says It Will Be "Patient, But Persistent" on CTBT
    April 8, 2014
    In remarks outlining the Obama administration's arms control, nonproliferation, and disarmament priorities earlier this year, newly-confirmed Undersecretary of State for Arms Control and International Security Rose Gottemoeller announced that the administration will "be working to expand our public outreach on the Comprehensive Nuclear Test-Ban Treaty."
  • Israeli Government Expresses Strong Support for CTBT
    April 8, 2014
    Following a mid-March visit to Israel by CTBTO Executive Secretary Lassina Zerbo, Prime Minister Benjamin Netanyahu has made clear that he considers the Nuclear Non-Proliferation Treaty to be of no use in the Middle East, the sources said, but by contrast Israel considers the CTBT to be “very significant,” is “proud” to have signed it, and “has never had a problem with the CTBT,” according to a report in The Times of Israel.
  • Five Decades Since JFK's Call for a Nuclear Test Ban Treaty
    June 7, 2013
    Fifty years ago on Monday, June 10, President John F. Kennedy delivered his eloquent and influential “Strategy of Peace” address on the campus of American University in Washington.
  • Joint Statement by India and Japan Highlights Differences on CTBT
    June 7, 2013
    India and Japan released a joint statement May 29 on "strengthening the strategic and global partnership" between the two countries. However, the two states differed significantly in their statements regarding the CTBT.
  • IMS Detects Radioactive Gases From N. Korean Nuclear Test
    April 26, 2013
    The Comprehensive Test Ban Treaty Organization (CTBTO) announced on April 23 that its International Monitoring System (IMS) detected radioactive isotopes consistent with the February 12 North Korean nuclear test.

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