Northrop Tests GEM 63 Motor for ULA’s Atlas V Rocket
Northrop Grumman has completed the initial ground test of a new motor that would power United Launch Alliance‘s Atlas V launch rocket. Tested in Promontory, Utah, the 63-inch diameter Graphite Epoxy Motor or GEM 63 will replace Atlas V’s old strap-on boosters starting July 2019 for the Space Test Program-3 mission, Northrop said Thursday. The […] More