Not At All
90 day mission included a Moon base not a Moon mission. There is a huge difference in cost.
A single Moon mission to look for polar water would be only 2 to 5 billion tacked onto a Mars mission.
Regards,
Mark
Space/Science » in reply to Re: PS Not That It's Needed
90 day mission included a Moon base not a Moon mission. There is a huge difference in cost.
A single Moon mission to look for polar water would be only 2 to 5 billion tacked onto a Mars mission.
Regards,
Mark