AGM-122 Sidearm

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AGM-122 Sidearm
AGM-122 Sidearm on AH-1T at China Lake 1981.jpg
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
Service history
In service 1986
Production history
Manufacturer Motorola
Weight 195 lb (88.5 kg)[1]
Length 9 ft 5 in (2.870 m)[1]
Diameter 5 in (127.0 mm)[1]
Warhead 25 lb (11.3 kg) WDU-31/B blast-fragmentation[1]

Engine Hercules Mk 36 Mod 11 solid fuel rocket
Wingspan 24.8 in (629.9 mm)[1]
18,044 yd (16.5 km)[1]
Speed Mach 2.3[1]
Narrow-band passive radar seeker
AV-8B Harrier
AH-1 Super Cobra
AH-64 Apache
Other aircraft

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.

See also[edit]


  1. ^ a b c d e f g Andreas, Parsch (8 November 2002). "Motorola AGM-122 Sidearm". Designation-Systems.Net. Archived from the original on 23 September 2010. Retrieved 10 August 2010. 

External links[edit]