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"[Arms Control Today] has become indispensable! I think it is the combination of the critical period we are in and the quality of the product. I found myself reading the May issue from cover to cover."

– Frank von Hippel
Co-Director of Program on Science and Global Security, Princeton University
Nigeria Ships HEU to China
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Nigeria shipped its highly enriched uranium (HEU) back to China, making it the 33rd country, plus Taiwan, to become HEU free. Nigeria’s one kilogram of HEU was used to fuel a Chinese-supplied miniature neutron source reactor used for a range of research activities. Although one kilogram of HEU is far less than what is necessary for a nuclear warhead, the fuel was enriched to more than 90 percent uranium-235, which is considered weapons grade.

The HEU was flown to China under monitoring by the International Atomic Energy Agency. Experts from China, the Czech Republic, Russia, and the United States assisted in the process. Yusuf Aminu Ahmed, director of the Center for Energy Research and Training in Nigeria, said the country does not want “any material that is attractive to terrorists” and that removal of the material fulfills Nigeria’s commitment to reduce the use of HEU in civilian applications. As part of the project, China converted the reactor to run on low-enriched uranium fuel. The conversion was completed in October 2018 under a commitment that was part of the nuclear security summit process, which took place from 2010 to 2016.—KELSEY DAVENPORT