ATK (ATK) and United Launch Alliance (ULA) conducted a successful cold-temperature ground test today of a Graphite Epoxy Motor (GEM-60) solid rocket motor used to boost ULA Delta IV launch vehicles.
. When fired, the motor will produce a maximum thrust 270,000 pounds. . GEM-60 motors have successfully boosted ULA’s Delta IV M+ launch vehicles since 2002 . A public viewing area is available along ...
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