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An AGM-122 Sidearm missile on a US Marine Corps Bell AH-1T SeaCobra helicopter in 1981
|Type||Air-to-surface Anti-radiation missile|
|Place of origin||United States|
|Weight||195 lb (88.5 kg)|
|Length||9 ft 5 in (2.870 m)|
|Diameter||5 in (127.0 mm)|
|Warhead||25 lb (11.3 kg) WDU-31/B blast-fragmentation|
|Engine||Hercules Mk 36 Mod 11 solid fuel rocket|
|Wingspan||24.8 in (629.9 mm)|
|18,044 yd (16.5 km)|
|Narrow-band passive radar seeker|
AH-1 Super Cobra
The AGM-122 Sidearm was an American air-to-surface anti-radiation missile produced between 1986 and 1990. Not as capable as newer anti-radiation missiles, they were cheaper and lighter in weight allowing more versatile deployment.
The AGM-122 Sidearm was produced by the re-manufacture of AIM-9C missiles that had been taken out of service. The AIM-9C was a semi-active radar homing variant of the Sidewinder, developed for the US Navy's Vought F-8 Crusader, but used for only a limited period of time. Conceived and developed at China Lake NAWS, the Sidearm was first tested in 1981. In 1984, Motorola was issued a contract to convert and upgrade AIM-9Cs to AGM-122A standard. A total of about 700 units were produced between 1986 and 1990.
Existing stocks of Sidearm have been depleted, and the missile is no longer in service. Proposals for new-build missiles, under the designation AGM-122B, have not been proceeded with to date.
The AGM-122 was less capable than newer antiradiation missiles, such as the AGM-88 HARM, but also substantially cheaper, and its lighter weight enabled it to be carried by combat helicopters as well as fighter aircraft and fighter bombers.
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