> HLS requires on-orbit refueling. Anything from 10 to 20 refueling launches will be required. Did you think it required one refueling launch? The SH+SS stack w

> HLS requires on-orbit refueling. Anything from 10 to 20 refueling launches will be required. Did you think it required one refueling launch? The SH+SS stack will never be reusable or reliable enough to accomplish the refueling operation in time and on budget. >This means one moon mission will require the use of 10 launch pads The refueling ships are to be launched weeks/months in advance, one at a time. If you look at the rate of Falcon launches this is nothing out of the ordinary.