Updated April 2021 The Comprehensive Test Ban Treaty (CTBT) is a multilateral agreement that prohibits the explosive testing of nuclear weapons. The CTBT opened for signatures on September 24, 1996, but the agreement is still in the ratification stage. The United States has signed, but has not yet ratified the treaty. The United States conducted […]
Fact Sheet: Global Nuclear Weapons Inventories in 2017
Unless otherwise specified, all information in this chart comes from Kristensen’s and Norris’s Status of World Nuclear Forces 2017 CHART: Global Nuclear Weapons Inventories 2017 Deployed Non-deployed Retired Total United States[i] ~1,740a ~2,260 ~2,800 ~6,800 Russia[ii] ~1,950a ~2,350 ~2,700 ~7,000 France ~280 ~10 * ~290 United Kingdom ~120 ~95 * ~215 China 0 […]
Fact Sheet: Understanding the Iran Deal
A two-page analysis with everything you need to know about the elements of the final Iran deal.
Iranian Negotiations: Worth the risk?
After years of negotiations, Iran and the P5+1 (the United States, Britain, France, Russia, China, and Germany) agreed to a deal providing sanctions relief in return for international monitoring and severe restrictions on Iran’s nuclear program. The 2015 Joint Comprehensive Plan of Action (JCPOA) established unprecedented access to Iran’s nuclear facilities and created dialogue between […]
Taking Another Look at the Comprehensive Test Ban Treaty
By: Abigail Stowe-Thurston After meeting with Israeli Prime Minister Benjamin Netanyahu on June 20, Lassina Zerbo, the head of the Comprehensive Test Ban Treaty (CTBT) Preparatory Commission, reported that Israeli ratification of the treaty is a matter of “when, rather than if.” Netanyahu has been quoted saying that Israeli ratification “depends on the regional context,” […]
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