Stack it up! ULA assembles 1st Vulcan Centaur rocket ahead of debut launch (photos)
ULA's heavy-lift Vulcan Centaur rocket could launch for the first time in the next few months, if testing continues to go well.
TroibNews 
ULA's heavy-lift Vulcan Centaur rocket could launch for the first time in the next few months, if testing continues to go well.
