Upmass is way more important right now than downmass. If you want more inspiration, know that SpaceX is making a significant profit on these flights despite the

Upmass is way more important right now than downmass. If you want more inspiration, know that SpaceX is making a significant profit on these flights despite their price being a small fraction of shuttle flights. And they're pouring it into their next generation rocket, Starship, which they plan to launch around the Moon in a few years. https://en.wikipedia.org/wiki/SpaceX_Starship https://en.wikipedia.org/wiki/SpaceX_Starship