Weapons and space systems company

Alliant Techsystems

(ATK)

said it received a $90 million contract to provide first, second, and third stage Orion solid rocket motors to

Orbital Sciences

(ORB)

for use in a variety of launch platforms including the nation's ground-based missile defense program.

The Edina, Minn.-based company's launch systems group will execute the work at its manufacturing facilities in Utah. Production will run through February 2009.

The company's shares were trading up 47 cents at $80.96 Wednesday.

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