Hi and welcome to this thread! I am a big fan of the current progress LinkSpace is doing. Their NewLine-1 rocket is paving the way for reusable launch vehicles on Chinese ground. That's why I am inspired to make this mod.   This mod will include the following parts: First stage engine (has 2 engine modes) Legs based on the design of NewLine-1 S1 fuel tank S1 guidance interstage S2 vac engine with 4 smaller engines that gimbal S2 fuel t