Institute for Science and International Security

Update on Natanz: Construction Progresses Towards Large-scale Tunnel Complex
January 11, 2021
Newly available high resolution satellite imagery confirms that construction is progressing rapidly at the largest mountain in the area, the most likely future location for the new underground assembly facility. More ›
Serial Bombings Observed at Masyaf, Syria
December 28, 2020
Recent media reporting describes an alleged Israeli missile attack against what has been described as part of the Syrian Scientific Studies and Research Center (SSRC or CERS) near Masyaf, Syria, that occurred after… More ›
New Extension to the Chashma Plutonium Separation Facility
November 30, 2020
An interesting and previously undocumented expansion of the nuclear fuel reprocessing / plutonium separation facility at the Chashma nuclear complex in Pakistan began in mid-2018. More ›
Abadeh is Marivan (Revised and Updated):
November 18, 2020
The Institute recently received new information and feedback, warranting a major revision to our report, “Abadeh is Marivan,” first published on August 28, 2020. More ›
Analysis of November 2020 IAEA Iran Verification and Monitoring Report
November 12, 2020
This report assesses information in the International Atomic Energy Agency (IAEA’s) quarterly report for November 11, 2020, Verification and monitoring in the Islamic Republic of Iran in light of United Nations Security Council… More ›
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