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Iran plans nuclear complex upgrade

WASHINGTON — Iran has told the United Nations nuclear watchdog agency that it plans to add 3,000 faster centrifuges to its main uranium enrichment facility, a step that could shorten the time needed if Tehran decides to build a nuclear bomb.

Officials with the Vienna-based International Atomic Energy Agency said Thursday that Iranian authorities informed them in a letter that Tehran would add IR-2m centrifuges, which spin three to five times faster than the current IR-1 model, to the enrichment hall at the Natanz nuclear complex.

Although Iran often has boasted of technological capabilities it doesn't have, Western governments are taking the announcement seriously. Diplomats said the disclosure deepened their concern that Tehran wasn't serious about resuming negotiations over demands to curb its nuclear program.

Diplomats from six world powers have been discussing new talks with Iran since November, but no time or place have been set.

Iran is known to have been experimenting for some time with the faster centrifuges, so the announcement was not entirely a surprise. Iran maintains that its program is for peaceful purposes.

If Iran mastered the technology, it could convert low-enriched uranium into the 25 kilograms of bomb-grade uranium needed for a bomb in four months, compared with the 12 months required with the current centrifuges, estimated Cliff Kupchan, an analyst with the Eurasia Group consulting firm. The country "could dash to a bomb considerably more quickly," he wrote in an analysis.

He wrote that although Iran's claims should be viewed with caution, "the announcement does, however, make the prospect for successful diplomacy even dimmer."

U.S. and Israeli officials have said they won't allow Iran to waste time indefinitely and have raised the possibility of a military attack at some point to slow the program.

Iran plans nuclear complex upgrade 01/31/13 [Last modified: Thursday, January 31, 2013 11:31pm]

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