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U.S. to take control of nuclear weapons-grade material in Japan

3/25/2014

2 Comments

 
By Lenka Kollar

The Nuclear Security Summit is ongoing this week at The Hague in Netherlands and one of the biggest successes is that Japan has agreed to allow the United States to take over a stockpile of weapons-grade nuclear material in Japan. This material is at the Fast Critical Assembly at the Japan Atomic Energy Agency and was used/produced in research for fast reactor development, not for nuclear weapons. However, the material is weapons-grade and thus its security is a concern.
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President Obama's goal has been to secure nuclear material around the globe, mainly to protect from theft by non-state actors (e.g. terrorists). However, the Administration's recent decision to cut funding for the MOX Fuel Fabrication Facility (read post) does not show commitment to nonproliferation goals. 

This agreement with Japan says that the United States will remove and dispose of the nuclear material. Having a MOX facility to put weapons-grade plutonium into commercial fuel and burn it in a reactor is the best way to dispose of it because it becomes too radioactive to use in a weapons. What is the point of taking control of the nuclear material in Japan if we can't dispose of it?
2 Comments
Paul Carroll
3/25/2014 02:21:21 pm

Lenka,
I think the US taking the Japanese plutonium is a good step. But don't agree with the MOX approach. Plutonium should be treated as a waste and disposed of - not as a commercial asset that is further irradiated and created additional waste steams. The MOX program had good intent, but with the Russians not forthcoming and with no private sector interest, it showed that a direct immobilization plan is preferable.

Paul

Reply
Lenka link
3/26/2014 02:22:48 am

Good points Paul. Disposing of unirradiated plutonium concerns me for the very long-term because we could essentially be creating a plutonium mine for future generations. It's hard to say who will have control over a piece of land 1000 years from now.

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Photos used under Creative Commons from Idaho National Laboratory, Jim.Richmond, Idaho National Laboratory, IAEA Imagebank