ATK Successfully Ground Tests New CASTOR(R) 30 Upper Stage Solid Rocket Motor

December 10, 2009

MINNEAPOLIS, Dec. 10 /PRNewswire-FirstCall/ – Alliant Techsystems (NYSE: ATK) successfully tested its newly developed CASTOR® 30 upper stage solid rocket motor today at the U.S. Air Force’s Arnold Engineering Development Center (AEDC) in Tennessee.

The test was a significant milestone for ATK, which developed the motor using internal research and development funding. The CASTOR 30 fills a key position in the company’s “Family of Motors” product line concept. This concept provides a set of fully developed rocket motors to the market place that have been specifically selected to satisfy the maximum number of current and future military and commercial customer missions.

A version of this motor is being used by Orbital Sciences Corporation (NYSE: ORB) in its Taurus®( )II medium-class launch vehicle. It is slated to perform commercial cargo re-supply missions to the International Space Station (ISS) for NASA, to be demonstrated under the Commercial Orbital Transportation Services (COTS) program for later delivery missions to the ISS under the Commercial Resupply Services contract. A slightly modified version of the CASTOR 30 is also being used as the basis for the third stage of the U.S. Air Force Large Class (92-inch) Stage (LCS) program. Other potential applications have also been identified.

‘This was an important test for ATK today,” said Scott Lehr, ATK vice president and general manager of Strategic and Commercial Systems. “The CASTOR 30 solid rocket motor offers a number of low-cost, high-performance features and fills a niche in the market that will make it an important part of ATK’s future solid rocket motor business. We see this as an important addition to our Family of Motors product portfolio.”

The CASTOR 30 is designed to ignite at altitudes in excess of 100,000 feet. In order to accurately test the motor performance the static fire was conducted at AEDC using a vacuum chamber specially designed to simulate upper atmospheric conditions. All channels of data were collected which will allow ATK to validate their predictive models. The motor utilized a prototype version of a newly developed Electromagnetic (EM) Thrust Vector Control (TVC) system, manufactured by Moog Inc, to provide nozzle steering. This system, once qualified, will also have applications across multiple solid rocket motor product lines.

ATK is a premier aerospace and defense company with more than 18,000 employees in 22 states, Puerto Rico and internationally, and revenues of approximately $4.8 billion. News and information can be found on the Internet at www.atk.com.

Certain information discussed in this press release constitutes forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. Although ATK believes that the expectations reflected in such forward-looking statements are based on reasonable assumptions, it can give no assurance that its expectations will be achieved. Forward-looking information is subject to certain risks, trends and uncertainties that could cause actual results to differ materially from those projected. Among those factors are: the development of new rocket motors, changes in governmental spending, budgetary policies and product sourcing strategies; the company’s competitive environment; the terms and timing of awards and contracts; and economic conditions. ATK undertakes no obligation to update any forward-looking statements. For further information on factors that could impact ATK, and statements contained herein, please refer to ATK’s most recent Annual Report on Form 10-K and any subsequent quarterly reports on Form 10-Q and current reports on Form 8-K filed with the U.S. Securities and Exchange Commission.

Media Contact:                     Investor Contact:

Trina Patterson                    Jeff Huebschen
Phone: 801-699-0943                Phone:  952-351-2929
E-mail: trina.patterson@atk.com    E-mail: jeff.huebschen@atk.com


Source: newswire

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