Tehran maintains that its uranium enrichment programme is for peaceful civilian purposes, while Western nations have accused Tehran of seeking to develop an atomic weapon.

德黑兰方面坚称，铀浓缩活动是以和平为目的的，而西方国家却指控德黑兰方面正在探索核武器。

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But the invasion never came. For years,American scientists had been developing a secret weapon,the atomic bomb.

VOA: special.2011.06.23

Such technology could theoretically allow Pyongyang to strike the U.S. with an atomic weapon.

WSJ: U.S., South Korea Offer North Talks, and a Warning

It was built in the 1940s as part of the "Manhattan Project" to develop the first atomic weapon during World War II.

CNN: Federal funds aim to clean up nuclear wasteland

Dr. Hamza revealed that Saddam now has a workable design for a small atomic weapon capable of being fitted aboard an extended-range Scud missile.

CENTERFORSECURITYPOLICY: Danger in the Air: Flights to Baghdad Offer Saddam