"A ban on all nuclear tests is the oldest item on the nuclear arms control agenda. Three treaties that entered into force between 1963 and 1990 limit, but do not ban, such tests. In 1996, the United Nations General Assembly adopted the Comprehensive Nuclear-Test-Ban Treaty (CTBT), which would ban all nuclear explosions. In 1997, President Clinton sent the CTBT to the Senate, which rejected it in October 1999. In a speech in Prague in April 2009, President Obama said, “My administration will immediately and aggressively pursue U.S. ratification of the Comprehensive Test Ban Treaty.” However, while the Administration has indicated it wants to begin a CTBT “education” campaign with a goal of securing Senate advice and consent to ratification, it has not pressed for a vote on the treaty and there were no hearings on it in the 111th, 112th, or 113th Congresses. There will be at least one hearing in the 114th Congress—a Senate Foreign Relations Committee hearing on the CTBT planned for September 7, 2016..."
Nuclear test-ban treaty