Comprehensive Test Ban Treaty (CTBT)

20 years CTBT Ministerial Meeting

The role of the nuclear test ban as a non-proliferation and arms control instrument

The Comprehensive Nuclear-Test-Ban Treaty (CTBT) was agreed in 1996 after more than 2000 nuclear tests had left a lasting, poisonous legacy. The treaty’s negotiations had already contributed to the indefinite extension of the NPT the year before (having contributed to the failures of the 1980 and 1990 NPT Review Conferences). Confidence in arms control and disarmament was high, and nuclear arsenals were falling dramatically. Strategic relations were good. But things look very different today, with high levels of distrust and low confidence in achieving further disarmament progress.

Brandenburg Gate

What comes next for U.S. nuclear weapons policy?

This Wednesday, President Obama is slated to give his next big foreign policy speech at the historically significant Brandenburg Gate in Berlin. It was at this Gate – an enduring symbol of both the division and subsequent unity of East and West Berlin – that Ronald Reagan urged then-General Secretary of the Soviet Union, Mikhail Gorbachev, to “tear down this wall” in 1987, and President Clinton spoke of a free and unified Berlin in 1994, following the end of the Cold War.

Getting to Zero: Further Reading

Earlier Detailed Proposals for Nuclear Disarmament

  • Report of the Commission on Weapons of Mass Destruction, Weapons of Terror: Freeing the World of Nuclear, Biological and Chemical Arms, (“Blix Report”), June 2006
  • Japan Institute of International Affairs, the Hiroshima Peace Institute and the Japanese Government, Report of the Tokyo Forum on Nuclear Non-Proliferation and Disarmament, 1999
  • Committee on International Security and Arms Control, National Academy of Sciences,