Supporters of an Iranian opposition group claimed Thursday they have information about another secret facility tied to the Iranian government 's nuclear program . An Iranian - American with ties to the People 's Mujahedeen of Iran announces the find . He says Iran uses the uranium to make parts for centrifuges used to enrich uranium . The United States is aware of the discovery , a Iranian official told CNN .
An Iranian - American with ties to the People 's Mujahedeen of Iran announces the find . He says Iran uses the uranium to make parts for centrifuges used to enrich uranium . The United States is aware of the discovery , a Iranian official told CNN .