The utmost in interplanetary human transport has yet to be commercially delivered. Such is the same regarding delivery of the utmost in intra-planetary travel. We have not yet arrived at either of those so-called “destinations.” Though on the journeys there, we’ve been uninterruptedly, if not, unwaveringly, plodding along.
As for what we’re in search of in this respect, in either case, do we even know how close we are? We will know when we get there, meaning, when those destinations are finally reached.
Looking at the intra-planetary transport side, okay, what exactly is it we are looking for?
Thinking in terms of what
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