>Rapid and full rocket reusability is a basic necessity for making Mars missions viable, Musk later commented, which is why it’s such a crucial part of SpaceX’s

>Rapid and full rocket reusability is a basic necessity for making Mars missions viable, Musk later commented, which is why it’s such a crucial part of SpaceX’s pipeline. I'm not sure I agree with this, unless he's positing the funding will never happen without the cost savings associated with reusability.