Iran In Brief
The Physics Research Center Telexes: New ISIS Studies and Findings

May 16, 2012
ISIS is releasing four new reports based on its further assessment of a set of about 1,600 telexes detailing the procurement activities of Iran’s Physics Research Center (PHRC) in the late 1980s and early 1990s. The information in these telexes and evidence gathered by the International Atomic Energy Agency (IAEA) support that the PHRC managed a parallel, secret military nuclear… Read More ›
Iran Foreign Ministry Spokesperson Responds to Evidence of New Activity at Parchin Site
May 11, 2012
Iran began to provide an explanation for the activity at the Parchin site seen in the new commercial satellite image by denying that it was associated with cleansing activities for removing nuclear contaminants. Iran should state what these activities were. Iran’s Foreign Ministry spokesperson Ramin Mehmanparast stated that nuclear material contamination could not be… Read More ›
Media Matters’ Faulty Report on Broadcast Media
April 19, 2012
Media Matters for America has published a misleading report on whether the broadcast news networks misrepresent intelligence on Iranian nuclear issues. The methodology used in the report is flawed and highly biased. It is so defective that it appears designed to reach a pre-determined conclusion sought by Media Matters.
Media Matters is… Read More ›
No Obama Letter to Iran?

January 20, 2012
On January 18, conservative Iranian lawmaker Ali Motahari announced and Iranian Foreign Ministry spokesman Ramin Mehmanparast confirmed that President Barack Obama had sent a letter to Supreme Leader Ayatollah Khamenei warning Iran against closing the Straits of Hormuz and requesting direct talks. Mehmanparast said that Iran was considering an official response. Majlis National Security and Foreign Policy… Read More ›
Iran’s Ridiculous Distraction

November 18, 2011
Iran should answer the IAEA’s concerns instead of trying to prevent the public from receiving in a timely manner widely available information about its nuclear activities
In prepared statements to the Board of Governors in Vienna today, Iran’s ambassador to the International Atomic Energy Agency (IAEA) Ali Asghar Soltanieh criticized ISIS for posting on its website the latest… Read More ›
David Albright on ABC’s This Week with Christiane Amanpour

November 14, 2011
Watch David Albright discuss Iran’s nuclear program and the next steps to resolve the crisis on the Sunday edition of ABC’s This Week with Christiane Amanpour.
View the full episode here (starts at 28min): here
Read More ›IAEA Release Report on Iran and Alleged Weaponization Efforts

November 8, 2011
The IAEA has released a highly anticipated safeguards report on Iran. In addition to regular inspections information on Iran’s nuclear enrichment program, the report also contains the exchanges, open issues and analysis regarding the ambiguities on whether Iran is currently or has in the past done research into the weaponization of nuclear materials and their possible means of delivery.
… Read More ›Iran Nuclear Issue – Considerations for a Negotiated Outcome
November 4, 2011
John Carlson, former Director General of the Australian Safeguards and Non-Proliferation Office, has written a paper highlighting the key considerations for a negotiated outcome regarding the Iranian nuclear issue.
Iran has been found in non-compliance with its International Atomic Energy Agency (IAEA) safeguards agreement, and accordingly is in non-compliance with the Nuclear Non-Proliferation Treaty (NPT).1 Iran is continuing its… Read More ›
Debunking Gregory Jones Again
October 27, 2011
by David Albright and Christina Walrond
On October 18, Gregory Jones published a response to ISIS’s September 20 critique of his study on breakout timelines at the Natanz Fuel Enrichment Plant (FEP) in Iran. Jones maintains that Iran could fabricate 20 kg of weapon-grade uranium (WGU)—enough for one nuclear… Read More ›
Performance of the IR-1 Centrifuge at Natanz
October 18, 2011
Although the average monthly production of 3.5 percent low enriched uranium (LEU) has increased to about 150 kg/month, the number of centrifuges needed to produce this LEU has increased disproportionately compared to the previous year. During the last year, Iran has needed 5,860 IR-1 centrifuges to produce this amount of LEU. In the previous year, it would have needed only… Read More ›
Iran’s Advanced Centrifuges
October 17, 2011
Last summer, Iran began installing two cascades of advanced centrifuges at the Pilot Fuel Enrichment Plant (PFEP) at Natanz. As of August 28, 2011, according to the International Atomic Energy Agency (IAEA), Iran had installed 136 IR-2m centrifuges in cascade 5 and 27 IR-4 centrifuges in cascade 4. Iran started feeding 54 of the 136 IR-2m centrifuges with natural uranium… Read More ›
New Satellite Imagery of Iranian Nuclear Sites on Google Earth
October 11, 2011
Over the last several months, Google Earth has posted updated commercial satellite imagery over Iran which includes several nuclear sites such as the Arak heavy water reactor and heavy water production site, the Ardakan yellowcake production plant and the Gchine uranium mine and mill.
View the full report with new images here: http://www.isisnucleariran.org/assets/pdf/New_Satellite_Imagery_of_Iranian_Nuclear_Sites_on_Google_Earth_11October2011.pdf
Read More ›
Ahmadinejad Reiterates Willingness to Halt 20 Percent Enrichment
September 22, 2011
In a September 21 interview with The New York Times’ Nicholas Kristof, Iranian President Mahmoud Ahmadinejad again reiterated Iran’s willingness to halt domestic 20 percent low enriched uranium (LEU) production in return for foreign supply of the material. He said, “If they give us the 20% enriched uranium this very week, we will cease the domestic enrichment of… Read More ›
Ahmadinejad and Abbasi-Davani at Odds on Enrichment Claims
September 14, 2011
On September 13, President Ahmadinejad stated in an interview with The Washington Post several times that if the United States gave Iran 20 percent low enriched uranium (LEU), Iran would stop making it. He indicated, “If they start to give us that uranium today, we will stop production.” This offer contradicts a recent statement by… Read More ›
Abbasi-Davani Interview on Iran’s 20 Percent Enrichment
August 31, 2011
In an interview with the Islamic Republic News Agency (IRNA) published August 30, head of Iran’s Atomic Energy Organization (AEOI), Fereydoun Abbasi-Davani, announced that Iran would never halt its domestic production of 20 percent enriched uranium. Agence France Presse reported on its apparent translation of the interview and added that Abbasi-Davani said Iran is no longer interested… Read More ›
Two Recent Media Reports to Note on Iran’s Nuclear Program
August 29, 2011
Report 1: On August 25, the Suddeutsche Zeitung reported that Iran has received from North Korea a specialized computer program which simulates with great precision whether a nuclear bomb would explode. According to Western intelligence sources, the computer program may have been part of a larger $100 million deal with North Korea for nuclear training and know-how and… Read More ›
Iran Moving Centrifuges to Fordow
August 24, 2011
After many months of delay, Iran has finally begun moving centrifuges from the Natanz enrichment plant for installation at the fortified Fordow facility near Qom. On August 22, the head of Iran’s Atomic Energy Organization, Fereydoun Abbasi-Davani, said that some centrifuges had been transferred and the facility is being prepared under the supervision of the International Atomic… Read More ›
Iran’s Critique of May 24, 2011 IAEA Safeguards Report: Arguments Not Based on Facts
August 12, 2011
by Paul Brannan
The International Atomic Energy Agency (IAEA) recently circulated a communication it received from Iran regarding the IAEA’s latest safeguards report from May 24, 2011. In the letter, Iran addresses the safeguards report and criticizes much of the content. … Read More ›
Iran Confirms Installation of Advanced Centrifuges
July 19, 2011
Iran’s Foreign Ministry announced on July 19, 2011 that “the installation of new centrifuges with better quality and speed is ongoing.” The spokesperson did not specify the facility into which the centrifuges are being installed, but the announcement likely confirms the installation of two 164-machine cascades of advanced IR-2m and IR-4 centrifuges into the Pilot Fuel Fabrication… Read More ›
Iran Reportedly Installing Advanced Centrifuges
July 15, 2011
On July 15, Reuters reported that Iran is installing advanced centrifuges—the IR-2m and IR-4—into two 164-machine cascades at a pilot plant at Natanz. Installing and running 164-machine cascades of advanced centrifuges is an important step in the process of Iran more widely deploying these machines. Continued integration of these advanced machines into Iran’s enrichment program will… Read More ›
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