[citation needed] In November 1976, during the Shah era, Parchin was selected as the site for Iranian assembly of Rapier missiles.

[2] Download coordinates as: To the northwest of Parchin in the Barjamali Hills, a test range for liquid-propellant missile engines is part of the Shahid Hemmat Industrial Group (SHIG) Khojir research facility 35°39′50″N 51°43′45″E / 35.66389°N 51.72917°E / 35.66389; 51.72917 where signature of engine test stand firing, probably including technology from the Russian SS-4 Sandal missile, was confirmed by an American spy satellite in August 1997.

[3] On January 13, 2005, International Atomic Energy Agency (IAEA) inspectors were allowed access to the Parchin military base as a confidence-building measure.

[9] In November 2011, the IAEA announced that it had credible information that Parchin was the site of activities aimed at developing a nuclear weapon.

[17] Iranian Foreign Minister Mohammad Javad Zarif claimed that the Institute for Science and International Security's analysis of satellite imagery were lies.

[19] On 20 September 2015, Director-General Yukiya Amano of the IAEA went to Parchin, along with Director of Safeguards Tero Varjoranta, to obtain clarifications on the nuclear activities of the site.

They did observe, inter alia, recent signs of internal refurbishment, a floor with an unusual cross-section and a ventilation system which appeared incomplete.

Iran stated during discussions at technical-expert meetings under the Road-map that the building had always been used for the storage of chemical material for the production of explosives.

The information available to the Agency, including the results of the sampling analysis and the satellite imagery, does not support Iran’s statements on the purpose of the building.

[1] Parchin was reportedly among the sites targeted by Israel in its retaliatory strikes on Iran on the night of 26 October 2024 (Aban 5th 1403 in the Persian date).