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I've sometimes wondered why there's not a ballistic trajectory plane. Something that boosts upward into the upper atmosphere, soars above dense air for a majority of the trip, then uses engines for a controlled landing.

I kind of figured SpaceX or similar would cater to the billionaire class more by now.

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SpaceX wants to do that with Starship (they call it Earth-to-Earth) but I'm pretty sure even they acknowledge that it's something of a reach.

Spaceflight is still where air travel was in the early 20th century - starting to become available "commercially", but still too dangerous and expensive for mass market adoption.

If we see anything like Earth-to-Earth in the next decade or two, It'll almost certainly be military.

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