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Raytheon and Aerojet Complete System Integration Test for SM-3 Kinetic Warhead

Test moves program one step closer to first SM-3 Block IB flight test

TUCSON, Ariz., Feb. 8, 2011 /PRNewswire/ -- Raytheon Company (NYSE: RTN) and Aerojet, a GenCorp company (NYSE: GY), completed a kinetic warhead system integration test for Standard Missile-3 Block IB. The test verified the ability of the warhead to detect, track and intercept a moving ballistic missile target in a zero-gravity environment.

During the test, a fully operational, flight-weight kinetic warhead operated on an air-bearing test stand and performed in a high-altitude chamber at Aerojet's Sacramento, Calif., facility. The kinetic warhead's seeker tracked a simulated target while the guidance computer sent information to the new Throttleable Divert and Attitude Control System. Once the TDACS received the information, the system fired its divert and attitude control thrusters and maintained aim on the target during the entire test sequence, simulating an actual flight mission.

"The test demonstrated the fire control loop of the kinetic warhead on the ground, which is a key indicator that we're on track for the first SM-3 Block IB intercept in space this year," said Frank Wyatt, vice president of Raytheon's Air and Missile Defense Systems product line. "The Raytheon SM-3 team remains committed to mission assurance for this important program. Raytheon has the right people, the best supply base, the most robust production facilities and the expertise to deliver this critical capability to the fleet in 2012."

Raytheon's next-generation SM-3 Block IB maintains the reliability of the Block IA variant while incorporating an advanced two-color infrared seeker, an advanced signal processor and a new TDACS. SM-3 Block IB will be deployed in both sea-based and land-based modes as part of phase two of the current administration's Phased Adaptive Approach for missile defense.

Raytheon is developing SM-3 as part of the Missile Defense Agency's Aegis Ballistic Missile Defense System, and more than 130 SM-3s have been delivered to date. The missiles are deployed with both the U.S. and Japanese navies to defend against short- to intermediate-range ballistic missile threats in the ascent and midcourse phases of flight.

Raytheon Company, with 2010 sales of $25 billion, is a technology and innovation leader specializing in defense, homeland security and other government markets throughout the world. With a history of innovation spanning 89 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. With headquarters in Waltham, Mass., Raytheon employs 72,000 people worldwide.

www.raytheon.com

Contact:

Heather Uberuaga

520.665.5594 (office)

520.891.8421 (mobile)



SOURCE Raytheon Company

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