Nuclear Issues

3 Items

Blog Post - Nuclear Security Matters

Index Results Highlight Need for Path Forward After Summits End

Jan. 22, 2016

With the fourth and final nuclear security summit approaching in March, the 2016 edition of the Nuclear Threat Initiative (NTI) Nuclear Security Index raises red flags about the international community’s implementation of the important measures needed to protect against catastrophic nuclear terrorism and to build an effective global nuclear security system. More importantly, it raises the question, how will leaders sustain momentum and high-level political attention on the need to secure dangerous nuclear materials once the summits come to an end?

Blog Post - Nuclear Security Matters

Eliminating Potential Bomb Material from Japan’s Fast Critical Assembly

| Mar. 24, 2014

Today, the United States and Japan announced that Japan would eliminate all the plutonium and highly-enriched uranium at its Fast Critical Assembly (FCA) at Tokai-mura.  This is a tremendous step forward for nuclear security; for terrorists, this would be some of the best material that exists in any non-nuclear-weapon state.  The material includes 331 kilograms of plutonium, most of it weapons-grade, and 214.5 kilograms of weapons-grade HEU.  (The FCA also includes over a ton of material just at the 20 percent U-235 mark that defines HEU.)   The weapons-grade HEU is enough for four simple terrorist “gun-type” bombs or a larger number of trickier-to-build implosion bombs.  The plutonium amounts to more than 40 bombs worth of material.