Ares I Five-Segment SRB Lights Up For NASA, ATK

By Jason Rhian

PROMONTORY, Utah — NASA and Alliant Techsystems (ATK) conducted the second test of the fully developed Ares five-segment solid rocket motor, known as Development Motor-2 (DM-2), on Aug. 31 at ATK’s test facility in Promontory, Utah.

With a roar that reverberated across the surrounding countryside and a blowtorch-bright light, the DM-2 came ...

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