Here’s where Iran’s nuclear program stands as the deal unravels

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WATCH: U.S. warns Iran to expect sanctions 'very soon' – May 8, 2019

Iran has set a 60-day deadline for world powers to renegotiate the terms of its 2015 nuclear deal, a year to the day after President Donald Trump pulled America from the landmark accord.

President Hassan Rouhani says Iran will stop exporting its excess uranium and heavy water from its nuclear program, as stipulated by the agreement. If the 60-day deadline passes without action, Rouhani says Iran will resume higher uranium enrichment as well.

READ MORE: Iran to partially withdraw from nuclear deal as tensions with U.S. rise

Here’s where Iran’s nuclear program and the unravelling accord now stand.


The nuclear deal

Iran struck the nuclear deal in 2015 with the United States, the European Union, France, Germany, the United Kingdom, Russia and China. The deal, formally known as the Joint Comprehensive Plan of Action, grew out of secret talks President Barack Obama’s administration held with Iran after Rouhani, a relative moderate, took office.

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Iran agreed to limit its enrichment of uranium under the watch of U.N. inspectors in exchange for the lifting of economic sanctions. International businesses rushed to do deals with Iran, most notably the billion-dollar sales by Airbus and Boeing Co.

Trump, who campaigned for the White House on a promise of tearing up the deal as it didn’t address Iran’s ballistic missile program or its involvement in regional conflicts, withdrew America from the accord on May 8, 2018. That halted the promised international business deals and dealt a heavy blow to Iran’s already anemic economy. In the time since, the Trump administration has said any country that imports Iranian crude oil will face U.S. sanctions.

WATCH: UK says there will be ‘consequences’ if Iran breaks nuclear deal

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UK says there will be ‘consequences’ if Iran breaks nuclear deal – May 8, 2019


Iran’s nuclear facilities

Natanz, in Iran’s central Isfahan province, hosts the country’s main uranium enrichment facility, which is located underground. Iran has one operating nuclear power plant in Bushehr, which it opened with the help of Russia in 2011. Under the accord, Iran reconfigured a heavy-water reactor so it couldn’t produce plutonium and agreed to convert its Fordo enrichment site — dug deep into a mountainside — into a research center. It also operates an over 50-year-old research reactor in Tehran.

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Iran’s uranium stockpile

Under terms of the nuclear deal, Iran can keep a stockpile of no more than 300 kilograms (660 pounds) of low-enriched uranium. That’s compared to the 10,000 kilograms (22,046 pounds) of higher-enriched uranium it once had. Currently, the accord limits Iran to enriching uranium to 3.67%, which can fuel a commercial nuclear power plant. Weapons-grade uranium needs to be enriched to around 90%. However, once a country enriches uranium to around 20%, scientists say the time needed to reach 90% is halved. Iran has previously enriched to 20%.

READ MORE: Iran threatens to resume higher uranium enrichment if nuclear deal fails


Iran’s centrifuges

A centrifuge is a device that enriches uranium by rapidly spinning uranium hexafluoride gas. Under the atomic accord, Iran has been limited to operating 5,060 older-model IR-1 centrifuges. The IR-1 is based on a 1970s Dutch design that Pakistani scientist A.Q. Khan used to build Islamabad’s nuclear weapons program and later sold to Iran, Libya and North Korea.

Iran has the technical ability to build and operate advanced versions called the IR-2M, IR-4 and IR-6 at a facility in Natanz, but is barred from doing so under the nuclear deal. Ali Akbar Salehi, the head of Iran’s nuclear program, told The Associated Press in September that the IR-2M and the IR-4 can enrich uranium five times faster than an IR-1, while the IR-6 can do it 10 times faster. Western experts have suggested these centrifuges produce three to five times more enriched uranium in a year than the IR-1s.

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Iran also mothballed many already-built centrifuges as part of the deal.

WATCH: State of the Union: Trump says they’ve confronted Iran’s ‘corrupt dictatorship’

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State of the Union: Trump says they’ve confronted Iran’s ‘corrupt dictatorship’ – Feb 5, 2019


From ‘atoms for peace’ to Stuxnet

Iran’s nuclear program actually began with the help of the United States. Under its “Atoms for Peace” program, America supplied a test reactor that came online in Tehran in 1967 under the rule of Shah Mohammad Reza Pahlavi. That help ended once Iran’s 1979 Islamic Revolution overthrew the shah.

In the 1990s, Iran expanded its program, including buying equipment from A.Q. Khan. Among its activities, Iran “may have received design information” for a bomb and researched explosive detonators, according to the International Atomic Energy Agency.

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By August 2002, Western intelligence services and an Iranian opposition group revealed a covert nuclear site at Natanz. Iran to this day denies its nuclear program had a military dimension. Iran suspended enrichment in 2003 but resumed it three years later under hard-line President Mahmoud Ahmadinejad. World powers imposed crippling U.N. sanctions in response. The Stuxnet computer virus, widely believed to be a joint U.S.-Israeli creation, soon disrupted thousands of Iranian centrifuges.

A string of bombings, blamed on Israel, targeted a number of scientists beginning in 2010 at the height of Western concerns over Iran’s program. Israel never claimed responsibility for the attacks, though Israeli officials have boasted in the past about the reach of the country’s intelligence services. Israel last year said it seized records from a “secret atomic archive” in Iran.

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