Arms Control Association

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Authored by on June 26, 2018

Dr. Lassina Zerbo, the Executive Secretary of the Comprehensive Test Ban Treaty Organization (CTBTO), was the keynote at an American Association for the Advancement of Science and the Arms Control Association cosponsored event on June 14, 2018 to discuss the role of technology in North Korean disarmament. Following his opening remarks, Dr. Zerbo and an accompanying panel of experts engaged in a discussion on how the scientific community and international organizations can work together to advance individual and collective goals, particularly as they relate to verifying the dismantlement of a…

Authored by on June 14, 2018

The Comprehensive Test Ban Treaty Organization (CTBTO) hosted its 2nd CTBT Science and Diplomacy Symposium from May 21 to June 1, 2018 at the Vienna International Center against the backdrop of significant geopolitical developments: the Trump administration’s withdrawal from the Joint Comprehensive Plan of Action (JCPOA), U.S. declaration of a summit meeting with North Korea and deteriorating U.S.-Russia relations. Understandably, the interest of policymakers, scholars and technical experts gathered at the symposium were focused on a few key questions – Will North Korea sign and ratify the…

Authored by on June 20, 2017

The Comprehensive Test Ban Treaty Organization released a press release today stating that the CTBTO has successfully certified its eleventh, and final, hydroacoustic station June 19, 2017 on the Crozet Islands (France). The station was installed in December 2016 after many obstacles as part of the International Monitoring System (IMS) network, which monitors 24/7 for nuclear explosions. The relatively low frequency underwater sound produced by a nuclear test can be detected a great distance from their source, requiring only a few hydroacoustic stations around the world. The certification…

Authored by on June 13, 2017

Earlier this week the Los Alamos National Laboratory released a report, “Trends in Nuclear Explosion Monitoring Research and Development -- A Physics Perspective,” assessing current literature relating to explosion monitoring and the Comprehensive Test Ban Treaty (CTBT) for the years 1993 to 2016. The LANL report claims that "there have been significant technological and scientific revolutions in the fields of seismology, acoustics, and radionuclide sciences as they relate to nuclear explosion monitoring" and the CTBT, and also highlights how the CTBT was necessary to universalize…