The Nuclear Issue in Iran (25 images)

Iran's President Mahmoud Ahmadinejad (C) visits the Natanz uranium enrichment facilities 200 miles (322 km) south of the Tehran, Iran on April 8, 2008. President Mahmoud Ahmadinejad announced that Iran started installation of some 6,000 new centrifuges on Tuesday. (UPI Photo/President's official website)

An error is seen on a computer screen of Bushehr nuclear power plant's map in the Bushehr Port on the Persian Gulf, 1,000 kms south of Tehran, Iran on February 25, 2009. Iranian officials said the long-awaited power plant was expected to become operational last fall but its construction was plagued by several setbacks, including difficulties in procuring its remaining equipment and the necessary uranium fuel. (UPI Photo/Mohammad Kheirkhah)

Iranian clergymen stand next to a missile defense pad during an air defense war games some 200 miles southwest of the capital Tehran, Iran, Tuesday, Nov. 24, 2009. This is the third day of the large-scale air defense war games that are meant to protect the Iranian nuclear facilities from attack. UPI/Fars News Agency/Ali Shaigan

The International Atomic Energy Agency (IAEA) inspectors arrive at Emam Khomeini airport in Tehran, Iran on October 25,2009. UPI/Maryam Rahmanian ..