How to Build a Moon Base

There is water ice at the South Pole near Shackleton Crater region. From water, you can get oxygen and Hydrogen to make fuel. There are many, many caves, also near the South Pole. Whilst you're living there, you are 3D printing permanent habitation. And these are all, this is on the drawing board. This isn't some sort of wish list. Now, if you want to go on a Mars and stuff, I think that's a lot further out,. both literally and time-wise.