Bulletin of the Atomic Scientists Volume 68 Issue 2

In 2009, President Barack Obama announced from Prague’s Hradcany square that “the most immediate and extreme threat to global security” was nuclear weapons in the hands of terrorists, and world leaders listened.

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