Raytheon unveils Excalibur with dual-mode guidance

PARIS, June 20, 2013 /PRNewswire/ -- Raytheon Company (NYSE: RTN) has initiated an internally funded program to enhance its combat-proven 155mm Excalibur GPS-guided projectile with a new guidance and navigation unit (GNU) with a semi-active laser (SAL) end-game targeting capability. Addition of the SAL seeker will allow the munition to attack moving targets, attack targets that have re-positioned after firing, or change the impact point to avoid casualties and collateral damage.

"No other gun-launched GPS-guided artillery round is as precise as Excalibur, which in its current design gives one the ability to hit within 4 meters of the target 90 percent of the time," said Kevin Matthies, Excalibur program director for Raytheon Missile Systems. "Now we're ready to take this to the next level, giving the warfighter the ability to not only re-target the munition in flight, but leverage Excalibur's maneuverability to use the pinpoint precision of a semi-active laser seeker to hit targets on the move."

This new Excalibur variant using SAL guidance paves the way for GPS-guided Excalibur Ib customers to upgrade their Excalibur Ib guidance and navigation units with a GPS/SAL capability. Recent tests of the SAL seeker have demonstrated the robustness of the design in a severe gun-firing environment.

In addition to 155mm artillery land forces worldwide, the GPS/SAL capability will be available for both 155mm and 5-inch (127mm) naval guns to address moving targets on land and at sea. Counter-swarming boat capability will be the prime focus of the at-sea moving target capability using a high-firing rate, large caliber, affordable munition that can be fired from land or sea platforms. The transition to the naval 5-inch configuration is easily made as the existing 155mm Excalibur Ib GNU design also fits in a 127mm projectile body.

"Excalibur has proven itself an invaluable asset for avoiding collateral damage while defeating targets that may otherwise be out of reach or cannot be quickly engaged," said Michelle Lohmeier, vice president of Land Combat for Raytheon Missile Systems. "The need for this degree of precision to attack moving targets is there, and we now have the ability to leverage demonstrated Excalibur Ib technology to make this happen."

About Excalibur
First fielded in 2007, the Excalibur 155mm precision-guided, extended-range projectile is a revolutionary capability for U.S. and allied forces. Using GPS precision-guidance technology, Excalibur provides accurate, first round fire-for-effect capability in any environment. With Excalibur's level of precision, there is a major reduction in the overall mission time and cost of delivering precision. Excalibur provides these benefits while offering the most flexible artillery solution for reducing collateral damage. Excalibur was named one of the U.S. Army's "Greatest Inventions" in 2007 for the Increment Ia-1 and in 2011 for the Increment Ia-2.

About Raytheon
Raytheon Company, with 2012 sales of $24 billion and 68,000 employees worldwide, is a technology and innovation leader specializing in defense, security and civil markets throughout the world. With a history of innovation spanning 91 years, Raytheon provides state-of-the-art electronics, mission systems integration and other capabilities in the areas of sensing; effects; and command, control, communications and intelligence systems; as well as a broad range of mission support services. Raytheon is headquartered in Waltham, Mass. For more about Raytheon, visit us at www.raytheon.com and follow us on Twitter @raytheon.

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SOURCE Raytheon Company

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