Munitions

ALARM anti-radiation missile

ALARM is a British air-launched anti-radiation missile built for suppression of enemy air defenses, using pre-planned navigation and passive radar homing with direct and parachute-loiter attack modes. In the Yemen Civil War record, it appears as a UK-supplied Royal Saudi Air Force munition used during Saudi-led coalition air operations rather than as a fully documented radar-kill case.

Conflict side
Yemeni government and coalition forces
Built by
BAe Dynamics; MBDA UK
Built in
United Kingdom
ALARM anti-radiation missile, Air-launched anti-radiation missile, Munitions

Service History

In service
1990-present in Saudi service; UK service ended in 2013
Used by
Royal Saudi Air Force, Royal Air Force
Wars
Yemen Civil War, Gulf War, Iraq War

Production History

Designer
British Aerospace / Marconi
Designed
Selected for UK development in the early 1980s
Built by
BAe Dynamics; MBDA UK
Built in
United Kingdom
Produced
Late 1980s onward
Variants
ALARM, ALARM II

Specifications

Guidance
Inertial navigation to a planned target area with passive radar homing in the terminal phase
Launch platform
Integrated with Tornado strike aircraft; documented Saudi use with UK-supplied Tornado aircraft in Yemen
Attack modes
Direct, loiter, and dual profiles, including parachute descent while waiting for radar emissions
Length
About 4.2-4.3 m
Diameter
About 230 mm
Launch weight
About 268-270 kg
Range
Often cited around 93 km
Propulsion
Two-stage solid-fuel rocket motor

Conflict Usage

Yemen Civil War
Side: Yemeni government and coalition forcesRole: Air-launched precision strike munition in Saudi-led coalition air operationsprecision firesstrike

UK parliamentary answers and defense reporting identify ALARM among UK-supplied munitions used by the Royal Saudi Air Force in Yemen after March 2015; later reporting says Saudi use during the intervention was not specifically as an anti-radar shot, so target details are treated cautiously.

ALARM anti-radiation missile Images

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Sources