Vulcan Centaur 4L
Can be build completely out of Lego bricks.
About the MOC
This is a MOC of the Vulcan Centaur 4L rocket. It has four solid rocket motors attached. The Centaur upper stage can be seprated from the Vulcan first stage. The fairing can be split in two parts and holds space for a payload.
About the rocket
Vulcan Centaur is an American rocket made by ULA. The first stage uses two BE-4 engines fueled with liquid methane and liquid oxygen. The second stage (Centaur) is powered by two RL-10 engines and uses hyrolox. The rocket has two different fairing sizes and the core stage can feature additional solid rocket motors, either 0, 2, 4 or 6 of them.