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Northrop Grumman test fires solid motor for ULA’s Vulcan rocket – SpaceNews

Northrop Grumman announced Jan. 21 it completed a static firing of the strap-on solid booster it developed for United Launch Alliance’s new Vulcan Centaur rocket….

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The motor fired for approximately 90 seconds, producing nearly 449,000 pounds of thrust.
WASHINGTON Northrop Grumman announced Jan. 21 it completed a static firing of the strap-on solid booster it developed for United Launch Alliances new Vulcan Centaur rocket. 
The test fire of the extended length 63-inch-diameter Graphite Epoxy Motor (GEM 63XL) took place on Thursday at the companys facility in Promontory, Utah. 
Northrop Grumman in August completed the first ground test of the GEM 63XL. The motor…

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