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AMRAAM: Deploying & Developing America’s Medium-Range Air-Air Missile

Jan 11, 2022 04:56 UTC by Defense Industry Daily staff

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January 11/22: UK Raytheon Systems was awarded a $13.5 million contract by the UK Ministry of Defense for in-service support for the AMRAAM missile system. The AMRAAM (Advanced Medium-Range Air-to-Air Missile), also designated AIM-120, has a 30 to 40 mile range and can reach a speed of Mach 4. The system is a beyond-visual-range air-to-air missile capable of all-weather day-and-night operation.

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AIM-120C from F-22A
(click for test missile zoom)

Raytheon’s AIM-120 Advanced, Medium-Range Air to Air Missile (AMRAAM) has become the world market leader for medium range air-to-air missiles, and is also beginning to make inroads within land-based defense systems. It was designed with the lessons of Vietnam in mind, and of local air combat exercises like ACEVAL and Red Flag. This DID FOCUS article covers successive generations of AMRAAM missiles, international contracts and key events from 2006 onward, and even some of its emerging competitors.

One of the key lessons learned from Vietnam was that a fighter would be likely to encounter multiple enemies, and would need to launch and guide several missiles at once in order to ensure its survival. This had not been possible with the AIM-7 Sparrow, a “semi-active radar homing” missile that required a constant radar lock on one target. To make matters worse, enemy fighters were capable of launching missiles of their own. Pilots who weren’t free to maneuver after launch would often be forced to “break lock,” or be killed – sometimes even by a short-range missile fired during the last phases of their enemy’s approach. Since fighters that could carry radar-guided missiles like the AIM-7 tended to be larger and more expensive, and the Soviets were known to have far more fighters overall, this was not a good trade.