Interesting ideas. I'm not up to speed on SLS, as with the coming cheaper heay lift rockets, it seems like a very expensive boondoggle.
But Chris Kraft
of NASA renown isn't a fan, and makes some important points [for me to copy&paste].Sunday conversation: NASA veteran Chris Kraft upfront with criticism
| By Eric BergerAugust 31, 2013
... there are the operating costs of that beast, which will eat NASA alive if they get there. They're not going to be able to fly it more than once a year, if that, because they don't have the budget to do it. So what you've got is a beast of a rocket, that would give you all of this capability, which you can't build because you don't have the money to build it in the first place, and you can't operate it if you had it.
Q: What do you see as the alternative?
A: In the private sector ...
A: What's so magic about this being able to lift 120 tons? Why can't you use what you've got and put your vehicles into space in pieces, like you did with the space station? That's the right way to do it.https://www.houstonchronicle.com/news/n ... 778332.php