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Northrop Grumman Successfully Tests Its New Solid Rocket Motor – Interesting Engineering

Northrop Grumman conducted a successful test of its GEM-63XL solid rocket booster which will power ULA’s Vulcan Centaur rocket to the Moon. Read it here.



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On January 21, 2021, at its Promontory, Utah rocket testing facility, Northrop Grumman successfully conducted a validation ground test of its extended-length 63-inch Graphite Epoxy Motor (GEM-63XL).
GEM-63XL strap-on solid rockets. Source: NASA
The first GEM-63 motors supported the United Launch Alliance’s (ULA) Atlas V rocket in November 2020. ULA is a joint venture between Lockheed Martin Space and Boeing Defense, Space & Security. The GEM-63XL is the rocket that will power the Vulcan Centaur…

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