Manned spaceflight was always a dangerous and expensive meme. Man doesn't belong in space. There is zero reason for throwing 180 lb apes into space. They need to drink, eat, piss, shit, breath and fart. They NEED gravity. They need moderate sunlight. They need exercise. They have psychological issues after spending a lot of time in a reduced space. They can't tolerate radiation.They are dirty and hairy. They sweat and stink. They get sick. They die.

Space exploration is all about proobing and roovering. Always was.