So far we have a lousy record with regard to Mars landers. A lander with humans in it would have no better odds, probably worse as it would have to be MUCH larger than anything we've softed so far. We're not ready to send humans to Mars with any confidence they'll survive to walk out of the ship on their own power.
Mal: Just get us on the ground.
Wash: That part is pretty certain.
Mal: Just get us on the ground.
Wash: That part is pretty certain.