I don't think we will see humans on Mars for generations. Radiation is a big problem.
How a Mission to Mars Could Kill You
Will bootprints in the Martian soil be a part of our future, or will the interplanetary trip prove too hazardous for humans?
http://news.discovery.com/space/miss...ks-110718.html
- The dangers associated with a manned mission to Mars are formidable.
- Space radiation, microgravity and psychological implications could push the Red Planet beyond our reach.
- But science is finding new ways to lessen the impact of the worst space will throw at our delicate physiology.
http://www.lpi.usra.edu/lunar/docume...SA_TP_3079.pdf