05/30/2013 - 16:25

Nuclear Notebook: Worldwide Deployments of Nuclear Weapons, 2009

Hans M. Kristensen

Kristensen is the director of the Nuclear Information Project with the Federation of American Scientists (FAS) in Washington, DC. His work focuses on researching and writing about the status of...

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Robert S. Norris

Norris is a senior fellow with the Federation of American Scientists in Washington, DC. A former senior research...

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As the United States and Russia continue to consolidate their nuclear arsenals, the number of sites in the world that host nuclear weapons also has decreased.