Khorramshahr

Iran's heaviest liquid-fuel medium-range ballistic missile family, derived from the North Korean Musudan, capable of carrying large conventional warheads or submunitions to ranges of ~2,000 km and, with a lighter payload, potentially up to 3,000 km — a key strategic deterrent and the subject of repeated combat claims in the 2025–2026 Iran–Israel wars.

Overview

The Khorramshahr is a road-mobile, liquid-propellant medium-range ballistic missile (MRBM) operated solely by the IRGC Aerospace Force. Three main variants have been displayed since 2017, culminating in the Khorramshahr-4 (operationally named “Kheibar”), which incorporates a storable hypergolic engine, a manoeuvring reentry vehicle and a claimed 1,500 kg warhead. Western assessments consistently judge that a light-warhead configuration would allow the Musudan-derived airframe to reach 2,500–3,000 km, giving Iran an intermediate-range ballistic missile (IRBM) option it has so far kept in reserve. While Iran frames Khorramshahr as a conventional deterrent, its heavy payload class matches theoretical nuclear-delivery thresholds and has made the programme a central proliferation concern.

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