Ramon Lopez/WASHINGTON DC

Raytheon is to develop the Complementary Low Altitude Weapon System (CLAWS) for the US Marine Corps as a beyond visual range defence against tactical aircraft, cruise missiles, unmanned air vehicles and other air threats. Raytheon was competing against Boeing for the contract.

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CLAWS comprises "Humvee" High Mobility Multipurpose Wheeled Vehicle-mounted Raytheon AIM-120 AMRAAMs, and fills the gap between Raytheon's FIM-92 Stinger-based Avenger short-range air-defence system and the in-development long-range Lockheed Martin Patriot Advanced Capability-3 and Medium Extended Air Defence system.

Raytheon has been awarded $9.5 million for a two-year pre-production and development programme, including the manufacture of two production "representative" CLAWS units for two-month field trials. The USMC is to acquire up to 95 CLAWS units with initial fielding scheduled for 2004-5.

Raytheon's surface-launched AMRAAM systems programme manager John Ryan says the US Army, which is monitoring the project but yet to write a CLAWS requirement, could buy more than 400 units.

Raytheon has built a four-missile CLAWS prototype, having developed and tested the five-missile, Humvee-mounted "HUMRAAM" with the US Army. Boeing has tested a company-developed CLAWS/HUMRAAM demonstrator mounting four AMRAAMs.

Raytheon has developed a series of ground-launched air-defence systems based on AMRAAM, including the Norwegian Advanced Surface-to-Air Missile System (NASAMS) using canister-launched missiles. Spain is about to procure a similar system. CLAWS and NASAMS share the same missile interface electronics.

Norway's Kongsberg Defence & Aerospace will provide the fire control software and General Dynamics Armament Systems is responsible for the launcher.

Raytheon predicts further foreign military sales of surface-launched AMRAAM systems as 20 nations operate the ageing Raytheon MIM-23 Hawk. These air defence systems are likely to be retired in around 2010 when the US Government ceases to support Hawk.

Source: Flight International