ATK Solid Rocket Boosters Complete Major Space Launch System Program Milestone

ARLINGTON, Va., April 29, 2013 /PRNewswire/ -- ATK (NYSE: ATK) has successfully completed its solid rocket booster Preliminary Design Review (PDR) with NASA for the new Space Launch System (SLS). The PDR milestone indicates the booster design is on track to support first flight of the SLS in 2017. The SLS vehicle will support NASA's human spaceflight exploration to all destinations beyond low-earth orbit.

(Photo:  http://photos.prnewswire.com/prnh/20130429/CG02256)

"This is a tremendous milestone for ATK as we work toward building the boosters for our country's Space Launch System," said Charlie Precourt, vice president and general manager of ATK's Space Launch division. "NASA's SLS will enable human exploration for decades to come."

With the successful completion of PDR, the SLS booster design can now proceed with the associated activities required to advance the design toward Critical Design Review (CDR). Additionally, a ground static firing of qualification motor-1 is planned for later this year at ATK.

"The booster PDR was successful and speaks to the importance of a collaborative design process with our NASA customer" said Fred Brasfield, ATK vice president, Next-generation Booster.

The SLS booster PDR is a significant step toward providing the necessary technical and programmatic information needed for NASA to obtain approval to proceed with development of the Space Launch System—which will support a variety of missions of national and international importance.

ATK has 29 key suppliers across 16 states: Alabama, Arizona,  California, Connecticut, Indiana, Kentucky,  Massachusetts, Minnesota, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Texas, Utah and Wisconsin.

ATK is an aerospace, defense, and commercial products company with operations in 22 states, Puerto Rico, and internationally. 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: 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.

SOURCE ATK

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