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ConflictsIran

What we know — and don’t know — about Iran’s nuclear program

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March 14, 2026

One of the reasons for the war with Iran was to stop it from building a nuclear bomb. But how far has Iran's nuclear program developed? DW asked an expert on the issue.

One of the reasons for starting the attacks on Iran  was to stop it from building a nuclear bomb — or so we were told by the US and Israel. This after previous attacks in the summer of 2025, when US President Donald Trump had told the world that US strikes "obliterated" Iranian nuclear facilities. So, what's the status now? How far has Iran's nuclear program developed? 

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