Spaceflight Insider

News Archive / Tagged: GEM 63XL

  • GEM 63 completes 2nd static fire test

    Jason RhianApril 4th, 2019

    Northrop Grumman's new 63-inch Graphite Epoxy Motor (GEM 63) solid rocket booster has completed another landmark in the booster's progression toward flight.

  • Northrop Grumman’s GEM 63 undergoes 1st test fire

    Jason RhianSeptember 20th, 2018

    The desolate, remote deserts of Utah came alive in fire and smoke during a test that heralded the introduction of powerful new launch vehicles onto the world stage.