AIM-120 AMRAAM

AIM-120 AMRAAM. The AIM-120 Advanced Medium-Range Air-to-Air Missile (AMRAAM) is an American beyond-visual-range missile developed to replace the AIM-7 Sparrow. A fire-and-forget weapon with an active radar seeker, it allows pilots to engage multiple targets simultaneously. Since entering service with the United States Air Force and United States Navy, it has become a cornerstone of Western air combat doctrine and has been exported to numerous allied nations.

Development and design

The program was initiated in the late 1970s by the United States Department of Defense to address limitations of the semi-active radar homing AIM-7 Sparrow. Key contractors included Hughes Aircraft and Raytheon, with significant testing conducted at Eglin Air Force Base and the Naval Air Weapons Station China Lake. The design incorporates a solid-propellant rocket motor from Hercules Aerospace and a datalink for mid-course updates from the launching aircraft's radar, such as the AN/APG-63 or AN/APG-79. Its active radar homing seeker, derived from technology used in the AIM-54 Phoenix, enables terminal guidance independent of the launch platform, a critical advantage in multi-threat environments.

Operational history

The missile achieved its first operational capability with the United States Air Force in 1991 on the F-16C and F-15C. Its combat debut occurred in 1992 during the No-Fly Zone operations over Iraq, when a USAF F-16 downed a MiG-25. It saw extensive use during the NATO intervention in the Bosnian War and the Kosovo War. The weapon has been employed by numerous international operators, including the Royal Air Force during the Iraq War and the Royal Saudi Air Force in the Yemeni Civil War. It has also been integrated on non-US platforms like the Eurofighter Typhoon and Saab JAS 39 Gripen.

Variants

* AIM-120A: The initial production model fielded in 1991. * AIM-120B: Featured improved digital signal processing. * AIM-120C: Introduced clipped fins for internal carriage on the F-22 Raptor and F-35 Lightning II; several sub-variants (C-4, C-5, C-7, C-8) enhanced range and counter-countermeasures. * AIM-120D: The current major variant, incorporating GPS-aided INS, improved datalink capabilities, and enhanced kinematics for greater range and engagement envelope. It is operational with the United States Navy and United States Air Force.

Specifications

* **Length**: 12 ft (3.7 m) for AIM-120C; AIM-120D is slightly longer. * **Diameter**: 7 in (180 mm) * **Wingspan**: 20.7 in (526 mm) for AIM-120C * **Weight**: 335 lb (152 kg) for AIM-120C * **Warhead**: High-explosive fragmentation blast-fragmentation * **Propulsion**: Hercules/Alliant Techsystems solid-fuel rocket motor * **Speed**: Mach 4 * **Range**: Classified; publicly stated as >100 nautical miles for the AIM-120D * **Guidance**: Mid-course: Inertial navigation system with two-way datalink; Terminal: Active radar homing * **Launch Platforms**: Includes F/A-18 Super Hornet, F-15 Eagle, F-16 Fighting Falcon, F-22 Raptor, F-35 Lightning II, Eurofighter Typhoon, and Saab JAS 39 Gripen.

Operators

The primary operator is the United States (United States Air Force, United States Navy, United States Marine Corps). Major international operators include the United Kingdom (Royal Air Force), Germany (Luftwaffe), Italy (Aeronautica Militare), Spain (Ejército del Aire), Norway (Royal Norwegian Air Force), Australia (Royal Australian Air Force), Japan (Japan Air Self-Defense Force), South Korea (Republic of Korea Air Force), Saudi Arabia (Royal Saudi Air Force), Taiwan (Republic of China Air Force), and Finland (Finnish Air Force). Numerous other nations in NATO and allied partnerships also employ the missile.

Category:Air-to-air missiles of the United States Category:Beyond-visual-range missiles Category:Raytheon