To the northwest of Parchin in the Barjamali Hills, a test range for liquid-propellant missile engines is part of the Shahid Hemat Industrial Group (SHIG) research facility, 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.
On December 15, 1997, SHIG conducted at least a sixth 1997 test of an engine needed for a 800-mile-range (1,300 km) ballistic missile. The test was either sixth or eighth during 1997, according to available intelligence. It is reported the Russian Central Aerohydrodynamic Institute [TSAGI] contracted in early 1997 to build a wind tunnel at SHIG, for both Iranian and Russian missile designers to refine the Shahab-3 missile.
On January 13, 2005, International Atomic Energy Agency (IAEA) inspectors were allowed access to the Parchin military base as a confidence-building measure. Since 2005, the International Atomic Energy Agency (IAEA) has requested further inspections of the site, but has been denied access by the Iranian government. One nuclear expert suggested that the IAEA was "stretching its mandate to the limit in asking for access to a military site based on tenuous evidence."
In early October 2014, the New York Times reported on sabotage concerns arising from a blast that took place at the site.
- Kuh-e Bagh-e-Melli Kukh-e-Barjamali Shahid Hemat Industrial Group
- Timeline of Iran's Nuclear Activities
- Implementation of the NPT Safeguards Agreement in the Islamic Republic of Iran
- Parchin - Nuclear Site
- "Iran nuclear: Israel's Netanyahu warns on attack timing". BBC News. 9 March 2012. Retrieved 2012-03-09.
- The International Atomic Energy Agency and Parchin: questions and concerns, by Robert Kelley Jan 18, 2013, Stockholm International Peace Research Institute
- "Iran Urged To Open Parchin Army Site For International Inspectors". Huffington Post. Reuters. 9 March 2012. Retrieved 2012-03-09.
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- Group Sees Sign of Iran Cleanup at Nuclear Site May 9, 2012 New York Times
- Timeline of Iran's Nuclear Activities – The Iran Primer.