The CASTOR 30 Motor is Upper Stage of America's Newest Medium-Class Launch Vehicle<br />
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ARLINGTON, Va. — ATK's (NYSE: ATK) CASTOR® 30 upper stage solid rocket motor supported the successful cargo demonstration launch of Orbital Sciences Corporation's (NYSE: ORB) Antares™ rocket as it lifted off from NASA's Wallops Flight Facility in Virginia today at 10:58 a.m. EDT. This demonstration flight to the International Space Station (ISS) is the final milestone in Orbital's ...This story is related to the following:Rocket Motors