Iran signals a major boost in nuclear program at key site [View all]
Iran signals a major boost in nuclear program at key site
Hundreds of new centrifuges would triple Irans uranium enrichment capacity at a deeply buried underground nuclear facility.
By Joby Warrick
Updated June 19, 2024 at 11:01 a.m. EDT | Published June 19, 2024 at 10:00 a.m. EDT

A still image from an April 2021 video released by the state-run Islamic Iran Broadcasting network shows centrifuges at an enrichment facility in Natanz, Iran. (IRIB/AP)
A major expansion underway inside Irans most heavily protected nuclear facility could soon triple the sites production of enriched uranium and give Tehran new options for quickly assembling a nuclear arsenal if it chooses to, according to confidential documents and analysis by weapons experts.
Inspectors with the International Atomic Energy Agency confirmed new construction activity inside the Fordow enrichment plant, just days after Tehran formally notified the nuclear watchdog of plans for a substantial upgrade at the underground facility built inside a mountain in north-central Iran.
Iran also disclosed plans for expanding production at its main enrichment plant near the city of Natanz. Both moves are certain to escalate tensions with Western governments and spur fears that Tehran is moving briskly toward becoming a threshold nuclear power, capable of making nuclear bombs rapidly if its leaders decide to do so.
At Fordow alone, the expansion could allow Iran to accumulate several bombs worth of nuclear fuel every month, according to a technical analysis provided to The Washington Post. Though it is the smaller of Irans two uranium enrichment facilities, Fordow is regarded as particularly significant because its subterranean setting makes it nearly invulnerable to airstrikes.
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Karen DeYoung contributed to this report.
By Joby Warrick
Joby Warrick joined The Washington Posts National staff in 1996. He has served with the Post's investigative and national security teams, and writes about the Middle East, terrorism and weapons proliferation. He is the author of three books, including Black Flags: The Rise of ISIS," which was awarded a 2016 Pulitzer Prize for nonfiction. Twitter
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