Until this year, Pyongyang has denied U.S.accusations it possessed a covert HEU, or highly enriched uranium program, in violation of previous agreements.
VOA: standard.2009.09.06
It is almost certain that the country is working with highlyenricheduranium(HEU) technology.
Acquiring nuclear weapons requires three elements: fissile material (such as highlyenricheduranium, HEU, or plutonium), a delivery system and a warhead.
Current law is aimed at phasing out U.S. exports of highlyenricheduranium(HEU) precisely to reduce the risk of the material being stolen or diverted by proliferating states for nuclear weapons production.