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MissilesIn service
British anti-radiation missile
ALARM is a british anti-radiation missile. The sourced equipment profile records BAe Dynamics (1982–1999) MBDA UK (since 1999) as its manufacturer.
United KingdomAir-to-surface anti-radar missile
1990-2013
See operators
Gulf War Kosovo War Iraq War Libyan civil war (2011) Yemeni Civil War (2014-present) Saudi Arabian-led intervention in Yemen
BAe Dynamics
1982
BAe Dynamics (1982–1999) MBDA UK (since 1999)
1986–present
268 kg (591 lb)
4.24 m (13 ft 11 in)
230 mm (9 in)
0.73 m (2 ft 5 in)
Proximity fused high-explosive
Laser Proximity
Bayern Chemie two stage solid-fuel rocket motors
solid-propellant
93 km (58 mi)
2,455 km/h (1,525 mph) (supersonic)
Pre-programmed/ passive radar seeker
Tornado GR.4 , Tornado F3
73 cm
2455 km/h (supersonic)
93 km
ALARM ( Air Launched Anti-Radiation Missile ) is a British anti-radiation missile designed primarily to destroy enemy radars for the purpose of Suppression of Enemy Air Defenses (SEAD).
ALARM ( Air Launched Anti-Radiation Missile ) is a British anti-radiation missile designed primarily to destroy enemy radars for the purpose of Suppression of Enemy Air Defenses (SEAD).
ALARM is a fire-and-forget system, with an added loiter capability. In loiter mode, ALARM will, when launched, climb to an altitude of 13,000 metres (43,000 ft). If the target radar shuts down, the missile will deploy a parachute and descend slowly until the radar lights up. The missile will then fire a secondary motor to attack the target.
Length: 4.24 m
Length: 4.24 m
Diameter: 23 cm
Diameter: 23 cm
Wing Span: 73 cm
Launch Weight: 268 kg
Launch Weight: 268 kg
Speed: 2455 km/h (supersonic)
Range: 93 km
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
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Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 2 Oct 2026 | 0.23 m | Wikipedia contributors | superseded |
| 2 Oct 2026 | 0.23 m | Wikipedia contributors | approved |
| 2 Oct 2026 | 0.23 m | Wikipedia contributors | superseded |
ALARM equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
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