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ATK Tactical Systems Supports Successful Sea-Based Missile Defense Test

Jun 19, 2002

ATK (Alliant Techsystems) (NYSE: ATK) said its Mk 136 Third-Stage Rocket Motor (TSRM) and the Mk 142 Kinetic Warhead's ATK Solid Divert and Attitude Control System (SDACS) operated successfully in support of a hit of a ballistic missile target in space by a STANDARD Missile-3 (SM-3) during a June 13 U.S. Navy Sea-based Midcourse Defense (SMD) flight test off the Hawaii coast.

The success of the Flight Mission-3 (FM-3) test, the second consecutive successful SM-3 mission sponsored by the Missile Defense Agency, moves the U.S. Navy a step closer to fielding a Sea-based Midcourse Defense capability. The first SM-3 intercept occurred Jan. 25, 2002.

The ATK TSRM and SDACS propulsion systems -- both key elements of the SM-3 missile system -- performed as expected during the flight test. The FM-3 mission marked the second flight of an operational SDACS and the third flight of an operational TSRM. ATK Tactical Systems -- Elkton Operations, Elkton, Md., is developing both systems under a subcontract to Raytheon.

In congratulating the SM-3 team on its success, Donald E. Shaffer, vice president and general manager, ATK Tactical Systems -- Elkton Operations, said, "Earlier this year, the SM-3 team demonstrated the system's fundamental capability to intercept a target. With this second intercept, the team has built additional confidence in the SM-3 system as a core element of the mid- course defense layer. Future testing will prove out the SM-3 system's full capability. ATK is honored to be a member of the SM-3 team and is pleased to be contributing to the program's success."

Shaffer reiterated that the TSRM and SDACS multiple-pulse propulsion subsystems -- which are key upgrades to the U.S. Navy's STANDARD missile family -- provide unique capabilities in energy management that are breaking new ground in the field of solid propulsion.

The flight test on June 13 was the SMD program's fourth successful flight and second target intercept.

In the test, an Aries target was launched from Kauai, Hawaii. The USS LAKE ERIE (CG 70) tracked the target as it rose above the horizon and then launched the SM-3 missile, which intercepted the target approximately 100 standard miles above the ocean.

The launch was the fifth in a series of nine planned developmental flight tests for SMD, formerly called the Navy Theater Wide ballistic missile defense system. SM-3 is designed to intercept an incoming theater ballistic missile outside the earth's atmosphere. The KW is based on technology developed during the Lightweight Exo-Atmospheric Projectile (LEAP) program. SM-3 and the KW are under development by Raytheon Electronic Systems at its Missile Systems business unit in Tucson, Ariz.

With headquarters in Lexington, Mass., Raytheon Company (NYSE: RTN) is a global technology leader in defense, government and commercial electronics, and business and special mission aircraft.

ATK Tactical Systems Company will continue to support SM-3 flight tests over the coming months as part of a plan to further demonstrate and develop a sea-based missile defense capability.

Headquartered in Rocket Center, W. Va., ATK Tactical Systems is a leading supplier of tactical missile propulsion systems and warheads, launch vehicle and satellite propulsion systems, precision metal parts for munitions, and composite structures and electronic early warning systems for aircraft and weapon systems.

ATK is a $2 billion aerospace and defense company with leading positions in propulsion, composite structures, munitions, and precision capabilities. The company, which is headquartered in Edina, Minn., employs approximately 11,300 people and has three business groups: Aerospace, Ammunition and Precision Systems. ATK news and information can be found on the Internet at .

SOURCE: Alliant Techsystems

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