Link to the original Ultimate Challenge thread Link to the first continuation thread This is a continuation of the Ultimate Challenge, originally by Just Jim, for KSP 1.0 and up, as well as Making History. Challenge Rules & Clarifications: 1. You can do as much orbital assembly as you want in LKO, but you can't launch any new vessels after any part of the mission leaves Kerbin's SOI, or (equivalently) after you conduct any landing. Additionally, after the last assembly missi