In this March 30, 2005 file photo, an Iranian security official in protective clothing walks through part of the Uranium Conversion Facility just outside the Iranian city of Isfahan. (AP Photo/Vahid Salemi, File) **FILE**
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In this March 30, 2005 file photo, an Iranian security official in protective clothing walks through part of the Uranium Conversion Facility just outside the Iranian city of Isfahan. (AP Photo/Vahid Salemi, File) **FILE**
