Before deciding to build his own rockets Elon Musk wanted to take his PayPal millions and send a private space mission to Mars to show that plants could be grown on another world. Extensive mission planning and design took place to get all the components understood to the point that the mission could be built for real. Ultimately this plan never happened because the rockets ended up being more expensive than originally promised. Here's some more public information https://stvp.stanford.edu/videos/opportunities-in-space-mars-oasis/ Follow me on Twitter for more updates: https://twitter.com/DJSnM I have a discord server where I regularly turn up: https://discord.gg/zStmKbM If you really like what I do you can support me directly through Patreon https://www.patreon.com/scottmanley