A small-scale solid rocket motor was successfully tested May 27 at NASA's Marshall Space Flight Center. The 21-second firing tested a NASA sub-scale motor designed as a versatile, quick-turnaround and low-cost way to determine the performance of new materials and designs. Finding adequate parts replacements for highly- reliable systems used in human spaceflight programs involves extensive testing and qualification efforts. Testing a sub-scale version of a rocket motor is a cost-effective way to assess new materials, technologies or processes, and rapidly evaluate performance.
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