Why private companies are not as reliable
Didn't Mc Donnell-Douglas know what was at stake if they lost the prototype?
Known, easily correctible reasons? Well, they didn't prevent nor correct them!!
Besides, the concept meant they needed to carry enough fuel back from space (meaning a heavier rocket to start with) in order to gently land on the ground !
There are reasons why the next generation of manned spacecrafts are small wingless capsules.
