The United States has been working to remove highly enriched uranium from a Pakistani nuclear reactor, out of concern that it could be used to build an illicit nuclear device.

美国已从巴基斯坦转移了大量的高浓缩铀，毫无疑问，这些高浓缩铀将会被用于建造一个非法的核武器装置。

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But advocates for preventing nuclear proliferation say it highlights the risk that terrorists could obtain enough fuel to build a nuclear device.

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The emergence of pariah states, such as North Korea (possibly soon to be joined by Iran), armed with nuclear weapons was adding to the fear as was the declared ambition of terrorists to steal, buy or build a nuclear device.

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Experts including Duelfer and Anthony Cordesman, a military analyst at the Center for Strategic and International Studies in Washington, believe Saddam has the sophisticated triggers, weapon housings and everything else he needs to build a nuclear device--except for a sufficient supply of weapons-grade enriched uranium.

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