Northrop Grumman Corporation recently conducted a validation ground test of an extended length 63-inch-diameter Graphite Epoxy Motor (GEM 63XL) in Promontory, Utah.
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GEM 63XL Motors Will Help Launch Vulcan…
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Northrop Grumman Corporation recently conducted a validation ground test of an extended length 63-inch-diameter Graphite Epoxy Motor (GEM 63XL) in Promontory, Utah.