Fire it up: Northrop Grumman tests new booster for ULA’s Vulcan rockets
Northrop Grumman lit up its new booster design to be used on United Launch Alliance Vulcan Centaur rockets when they debut in 2021.
Northrop Grumman lit up its new booster design to be used on United Launch Alliance Vulcan Centaur rockets when they debut in 2021.