[hopespringseternal]

If you are saying that first stages would be landed upright then I still say that too much fuel is required.

How do you arrive at that conclusion? Can you show me numbers?

Why do you assume that ‘they’ may know more about rocket science than I? You do know what ‘assume’ does, don’t you? ;-)

So how many space station resupply vehicles have you designed and launched?

[spel_grammer_an_punct_polise]

“So how many space station resupply vehicles have you designed and launched?”

I am terribly sorry. My background is still classified by the U.S. government.