The huge rocket for the ULA Vulcan just passed a fiery milestone

The new rocket motor for the huge ULA Vulcan is one step closer to launching into space, with Northrop Grumman successfully putting one of the beastly motors through its paces this week. The ground test of the extended length 63-inch-diameter Graphite Epoxy Motor, known as GEM 63XL, is a key milestone on the way to giving the rocket its next-generation … Continue reading