It was reusable, but way over promised. Don't take my word for it. Richard Feynman served on the Challenger commission and very nicely summarizes the differenc

It was reusable, but way over promised. Don't take my word for it. Richard Feynman served on the Challenger commission and very nicely summarizes the difference between Apollo and Space Shuttle. https://youtu.be/4kpDg7MjHps https://youtu.be/4kpDg7MjHps SpaceX is doing stuff that's just beyond the scope of what's deemed conventionally realistic. That's achievable and pushes us forward.