Ever since I started playing the demo, I've always wanted to do one particular thing: plant flags on Minmus and the Mun in a single launch, then return home for a propulsive landing without parachutes. It's that last bit that makes this goal almost impossible. Landing on Minmus and the Mun in a single launch with demo parts is challenging, though doable. But the additional mass of engines and fuel for the propulsive landing (a la Dragon 2) makes the whole launch vehicle need to be exponentially