NASA and ATK Complete Second in Series of Key Avionics and Controls Testing for NASA's SLS Booster

 NASA and ATK Complete Second in Series of Key Avionics and Controls Testing
                            for NASA's SLS Booster

ATK Designs Affordability into New Avionics Subsystem

PR Newswire

ARLINGTON, Va., Feb. 1, 2013

ARLINGTON, Va., Feb. 1, 2013 /PRNewswire/ --NASA and ATK (NYSE: ATK)
completed the second in a series of development tests for NASA's Space Launch
System (SLS) booster program on January 30 at ATK's Promontory, Utah, test
facility. This key avionics and controls test was designated Flight Control
Test 2 (FCT-2) and included a "hot fire" of the fully integrated heritage
thrust vector control (TVC), the new SLS booster avionics subsystem and new
electronic support equipment (ESE).

FCT-2 focused on replacement of heritage test equipment with new ESE. Much of
the equipment replaced was designed and built during the mid- to late-1970s
and was successfully used on all Space Shuttle Reusable Solid Rocket Motor
(RSRM) and five segment RSRM static motor firings.

"The FCT-2 test marked a definite milestone for ATK and NASA's SLS program,"
said Fred Brasfield, ATK's vice president, Next-Generation Booster. "Working
with Marshall, we have designed and developed a modern system and common
interface that allows for multiple uses of the same equipment at all necessary
locations for both qualification and operational phases of the program,
greatly reducing complexity and costs."

As with the avionics subsystem, affordability was designed in from the onset
of developing new ESE. The same ESE design utilized to support static tests
will also be used to support certification testing of the avionics subsystem
in Utah and at NASA's Marshall Space Flight Center, and ultimately for
acceptance check-out of flight hardware at Kennedy Space Center (KSC). 

ATK developed the avionics subsystem at facilities in Clearfield and Magna,
Utah, with support from NASA Marshall Space Flight Center in Alabama.Key
partners supporting ATK throughout this test series include L-3 Cincinnati
Electronics in Mason, Ohio, and Southern California Braiding, an IEC
Electronics Company in Bell Gardens, California.Cincinnati Electronics
provides the avionics boxes, and Southern California Braiding is responsible
for the cable harnesses. Both Cincinnati Electronics and Southern California
Braiding have been integral to ATK throughout the development lifecycle of the
SLS booster.

"Our suppliers have been vital to the success of this program," said
Brasfield. "They will remain key contributors through the SLS flight test

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

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.

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