Replacement Modules News Today

So the coordination is much more complex than that. >> heres the tricky part of that. its all planned, theyve got those replacement modules on the space center. but heres the thing. they went out on saturday, and something didnt budge the way it was supposed to. so i was joking yesterday that its almost -- youve got to be -- with all that training, these space walkers, john, have got to be a bit like macgyver when theyre up there. >> well, this is not just like macgyver, but actually, you have t...