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The '''Shahab-4''' ({{lang-fa|شهاب ۴}}, meaning "Meteor-4") (a.k.a. IRIS) was an unbuilt Iranian rocket, derived from the [[Shahab-3]] medium-range [[ballistic missile]]. According to Iran it was intended to be a [[space launch vehicle]],<ref>[http://www.space.com/missionlaunches/ap-080211-iran-two-satellites.html Iran to Launch 2 More Research Rockets Before Placing Satellite into Orbit This Summer] {{webarchive|url=https://web.archive.org/web/20090208173617/http://www.space.com/missionlaunches/ap-080211-iran-two-satellites.html |date=2009-02-08 }}</ref> after a slip by the Defense Minister in which he acknowledged it as a "more capable ballistic missile than the Shahab-3".<ref name=usdod01>{{cite book|author=U.S. Department of Defense |title=Proliferation: Threat and Response |year=2001 |url=https://fas.org/irp/threat/prolif00.pdf|publisher=DIANE Publishing |pages=38 |isbn=1-4289-8085-7}}</ref> According to Western observers it was intended to be part of a nuclear-capable ballistic missile.<ref name="nti">{{cite web |title=Iran Missile Chronology |url=https://media.nti.org/pdfs/iran_missile.pdf |publisher=Nuclear Threat Initiative |accessdate=30 June 2020 |date=August 2011}}</ref>
The '''Shahab-4''' ({{lang-fa|شهاب ۴}}, meaning "Meteor-4") (a.k.a. IRIS) was an unbuilt Iranian rocket, derived from the [[Shahab-3]] medium-range [[ballistic missile]]. According to Iran it was intended to be a [[space launch vehicle]],<ref>[http://www.space.com/missionlaunches/ap-080211-iran-two-satellites.html Iran to Launch 2 More Research Rockets Before Placing Satellite into Orbit This Summer] {{webarchive|url=https://web.archive.org/web/20090208173617/http://www.space.com/missionlaunches/ap-080211-iran-two-satellites.html |date=2009-02-08 }}</ref> after a slip by the Defense Minister in which he acknowledged it as a "more capable ballistic missile than the Shahab-3".<ref name=usdod01>{{cite book|author=U.S. Department of Defense |title=Proliferation: Threat and Response |year=2001 |url=https://fas.org/irp/threat/prolif00.pdf|publisher=DIANE Publishing |pages=38 |isbn=1-4289-8085-7}}</ref> According to Western observers, it was intended to be part of a nuclear-capable ballistic missile.<ref name="nti">{{cite web |title=Iran Missile Chronology |url=https://media.nti.org/pdfs/iran_missile.pdf |publisher=Nuclear Threat Initiative |accessdate=30 June 2020 |date=August 2011}}</ref>


==History==
==History==

Revision as of 19:46, 3 March 2022

Shahab-4 (IRIS)
FunctionDisputed
ManufacturerIran

The Shahab-4 (Template:Lang-fa, meaning "Meteor-4") (a.k.a. IRIS) was an unbuilt Iranian rocket, derived from the Shahab-3 medium-range ballistic missile. According to Iran it was intended to be a space launch vehicle,[1] after a slip by the Defense Minister in which he acknowledged it as a "more capable ballistic missile than the Shahab-3".[2] According to Western observers, it was intended to be part of a nuclear-capable ballistic missile.[3]

History

The IRIS/Shahab-4 project was initiated in 1988 but according to some sources, it never went beyond the drawing board. The design heritage of the IRIS was later incorporated into the Safir.[4]

In 1997, an American satellite captured evidence of a Shahab-4 test facility in Parchin.[citation needed]

In 1999, it was suspected that the Shahab-4 was largely derived from NPO Yuzhnoye's R-12 Dvina, which in its single-stage variant had a maximum range of 2,000km and a circle of equal probability of 2,400km.[3] The dual-stage R-12 Dvina was capable to lift payloads into orbit.[citation needed]

See also

References

  1. ^ Iran to Launch 2 More Research Rockets Before Placing Satellite into Orbit This Summer Archived 2009-02-08 at the Wayback Machine
  2. ^ U.S. Department of Defense (2001). Proliferation: Threat and Response (PDF). DIANE Publishing. p. 38. ISBN 1-4289-8085-7.
  3. ^ a b "Iran Missile Chronology" (PDF). Nuclear Threat Initiative. August 2011. Retrieved 30 June 2020.
  4. ^ Project IRIS b14643.de