Hans M. Kristensen

Articles by Hans M. Kristensen

1 March 2011
Nuclear notebook

The Obama administration’s disclosure of its stockpiled and dismantled warhead numbers through September 2009 was, apparently, a “one-time release”; thus, the question remains as to how quickly—or slowly—the country’s arsenal will decline.

1 November 2010
Nuclear notebook

The authors write about China’s nuclear arsenal, one known for its obscure and opaque nuclear delivery systems and even more inscrutable nuclear weapons storage and production.

1 July 2010
Nuclear notebook

As Russia and the United States continue to reduce their Cold War arsenals, global inventories of nuclear weapons will continue to decline. Yet eight of the nine nuclear states continue to produce new or modernized nuclear weapons.

1 May 2010

Two important recent events—the signing of New START and the release of the Obama administration’s Nuclear Posture Review—will shape the configuration of the U.S. nuclear arsenal for years to come.

1 January 2010
Nuclear notebook

With or without a follow-on agreement to START, the number of warheads in the Russian nuclear arsenal continues to shrink. But that doesn't mean Moscow has given up modernizing its strategic nuclear forces.

1 November 2009
Nuclear notebook

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.

1 September 2009
Nuclear notebook

Pakistan is enhancing its nuclear weapon capabilities across the board by developing and deploying new nuclear-capable missiles and expanding its capacity to produce fissile materials for use in weapons.

1 July 2009
Nuclear notebook

Of 100 types of U.S. warheads developed since 1945, only 15 remain active. New warhead production ceased in 1992, but modified warheads continue to be introduced.

1 May 2009
Nuclear notebook

Russia continues to reduce the number of nuclear warheads it deploys on ICBMs, yet it is deploying and developing advanced missiles. It has also increased patrols by nuclear-armed submarines.