[vitno]

Both of those are solved problems, and actually have been for quite a while.

You should check out the Mars Direct plan proposed by Robert Zubrin. https://en.wikipedia.org/wiki/Mars_Direct

[homeomorphic]

A nice exhibition of Mars Direct can be seen in the documentary The Mars Underground [1]. There's also Zubrin's book [2].

[1] https://www.youtube.com/watch?v=uDWvsdEYSqg (I don't know the copyright status of this, but it's been on YouTube for well over a year with many views).

[2] Robert Zubrin. The Case for Mars.

[harrytuttle]

Thanks and as usual, canned by Obama.

Perhaps the private sector can take this one on?

[moocowduckquack]

That was the constellation program, which was mainly a return to the moon. A commitment to NASA visiting Mars was kept.