GEM 63XL Motors Will Help Launch Vulcan Centaur Rocket

Jan 28, 2021

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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. This variation of the company’s GEM 63 strap-on booster was developed in partnership with United Launch Alliance (ULA) to provide additional lift capability to the Vulcan Centaur rocket.

“Thi…

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