Hey, so I've been creeping around the KSP Forum for a long while, and saw this challenge. So I decided I'd give it a shot as I love the practicality of it. Anywho, I've built a SSTO Rocket with a 50t lift capacity and it includes an orbital tug that stays in orbit until the operation is complete. (I actually built this before seeing the ingenious designs of Christopher and now I feel so unoriginal.) Now, I have a question regarding the rules of this challenge as I have run into a game engine restraint. My rocket weighs 750t fueled up and requites ~500t of fuel. I have a fuel rover capable of hauling this much fuel to the rocket and filling via KAS (I know, too easy right?), but the issue is that the weight of the rover destroys all the wheels of the rover no matter the quantity of wheels present. I had 20+ on the final attempt, and it shattered wheels as soon as I moved forward. Since I really don't want to redesign an entire reusable station launcher system, is it permissible to Hyperedit the tanks of a smaller rover full multiple times to in turn fill the rocket? It would still require a rover capable of refueling at KSC, but without approx. 50,000 trips with a fuel rover. Also, Christopher, you're an absolute genius with that complex system. Mine is similar, but a much more brute force approach. I have a rocket capable of getting 50t to 80km orbit, then a space tug moving it to the 120km orbit the station will reside in. The chutes were particularly fun to figure out how to repack, as there were about a million of them. However, it does mean that the deorbit burn is all the Delta-v I need to burn to land. To solve the issue, I just put a Mk2 Lander Can under each massive chute stack and assigned the single resident to EVA on landing to repack the 8 chutes around him. What an excellent job huh?