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The U.S. Air Force has awarded Alliant Techsystems a Sounding Rocket Program Three (SRP-3) contract. With a potential value of $250 million, it will provide launch vehicles as well as engineering and integration services for intercept systems and atmospheric sounding rocket experiments.

SRP-3 is a seven-year contract that builds on two previous IDIQ efforts (SRP-1 & -2). The Sounding Rocket Program provides low-cost, sub-orbital ballistic launches that support experiments, payloads, and targets for the Air Force, other U.S. Department of Defense agencies and NASA, using existing motors.

ATK has provided government-supplied and commercial motors for targets used in missile defense testing and sounding rockets for research for more than five decades. The company's solid rocket motors include Castor IV, Castor 120, and Orion motors, along with the manufacture of the M55A1, M57, SR-118 and SR-120 used in prior sounding rocket programs.

Over the past 10 years, ATK teams have supported 71 launch vehicles and missile missions. The SRP-3 team includes ATK members in Salt Lake City, UT, and Woodland Hills, CA, and Miltec in Huntsville, AL.