Analysts at the Institute for Science and International Security in Washington DC, an anti-proliferation think tank, say the country could have enough for a nuclear weapon this year.

位于华盛顿特区的科学和国际安全研究所是一家反扩散的智囊机构，其分析家说伊朗今年可能会拥有足够制造核武器的材料。

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The image shows the missile's exhaust plume, according to the Washington-based Institute for Science and International Security, which analyzed the satellite photo.

CNN: Photo reportedly shows N. Korean rocket in flight

David Albright and Andrea Stricker, of the Institute for Science and International Security, said the latest test could be a measure of progress.

NPR: NKorean Nuclear Test May Be Intelligence Windfall

But physicist David Albright, president of the Institute for Science and International Security, believes it may be capable of mounting nuclear warheads on Rodongs.

NPR: Despite Threats, Risks Temper Korea War Tensions