Robert S. Norris

Robert S. Norris

Robert S. Norris

Articles by Robert S. Norris

1 March 2013
Nuclear notebook

As of early 2013, the United States has continued to reduce its nuclear stockpile, and retirement alone has accounted for a dip of over 250 warheads since last year. Of the total stockpile of approximately 4,650 warheads, an estimated 2,150 warheads are deployed.

1 November 2012
Nuclear notebook

This year marks the 50th anniversary of the Cuban Missile Crisis, when the United States and the Soviet Union walked back from the brink of a nuclear war.

1 September 2012
Nuclear notebook

In this Nuclear Notebook, the authors write about nonstrategic nuclear weapons—starting with the difficulty of finding a universal definition for them. Although the United States and Russia have reduced their nonstrategic stockpiles, significant inventories remain.

1 July 2012
Nuclear notebook

In April 2012, India successfully test-launched the Agni V ballistic missile—and though the missile needs more testing and is still several years away from operational deployment, the Agni V introduces a new dynamic to the already complex triangular security relationship among India, Pakistan, a

1 May 2012
Nuclear notebook

As of early 2012, the United States maintained an estimated 2,150 operational warheads. The arsenal is composed of roughly 1,950 strategic warheads deployed on 798 strategic delivery vehicles, as well as nearly 200 nonstrategic warheads deployed in Europe.

1 March 2012
Nuclear notebook

Despite the promise of a more transparent future after Russia's ratification of New START in January 2011, the international community’s ability to monitor developments in Russia’s nuclear forces has become more difficult because the Kremlin does not release full aggregate treaty numbers of the

1 January 2012
Nuclear notebook

In this Nuclear Notebook the authors highlight the key milestones and facts regarding the nuclear pursuits of the first five states to develop nuclear weapons—the United States, the Soviet Union and Russia, Britain, France, and China.

1 November 2011
Nuclear notebook

Today, China is the only one of five original nuclear weapon states that is increasing its nuclear arsenal. According to some estimates, the country could “more than double” the number of warheads on missiles that could threaten the United States by the mid-2020s.

1 September 2011
Nuclear notebook

The United Kingdom has been the most successful of all the nuclear weapon states in terms of creating a minimum nuclear deterrent; in fact, there is reason to believe that the country is considering whether to move toward denuclearization.

10 August 2011

A Presidential Policy Directive for a new nuclear path

Robert S. NorrisHans M. Kristensen

The implementation of President Obama's Nuclear Posture Review is now occurring, out of public view but with potentially enormous implications, depending on the outcome. The Nuclear Posture Review was mandated by Congress to establish US nuclear policy, strategy, capabilities and forces for the next five to 10 years. In theory, it was intended to further President Obama's Prague agenda of reducing nuclear dangers and to work toward a world without nuclear weapons, but with global security.

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