Shahab-4
The Shahab-4 (Persian: 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, after a slip by the Defense Minister in which he acknowledged it as a "more capable ballistic missile than the Shahab-3".
Shahab-4
- Field
- intercontinental ballistic missile.
- Region
- Iran.
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wikidata · Q1073807 · wikipedia · Shahab-4
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History
According to Western observers, it was intended to be part of a nuclear-capable ballistic missile.
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. In 1997, an American satellite captured evidence of a Shahab-4 test facility in Parchin. 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 2,400m. The dual-stage R-12 Dvina was capable of lifting payloads into orbit.
Primary material
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authority record
- Wikidata, structured authority record Q1073807: Shahab-4
General reference · Wikidata
reference work
- “Shahab-4”, English Wikipedia, consulted as further reading
Reputable secondary · Wikipedia
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Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article Shahab-4, revision 1338889610 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
Elsewhere in Militaria
6,095 published records in this field, each with its sources named.
- ShahabTerminology
- Shahab-1Terminology
- Shahab-2Terminology
- Shahab-3Terminology
- Shahab-5Terminology
- Shahab-6Terminology
- Shahab-e-Saqeb missileTerminology
- Shahed 131Terminology
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