At some point, when the propulsion technology is up to it, it will be possible to have transcontinental space "hops." A spaceplane that takes off from an airport under normal jet propulsion, gets to a high altitude, then fires a rocket/scramjet to climb into space on a trajectory for its destination.
All the fast stuff is happening outside the atmosphere. No long-term heating and drag issues, no sonic booms. Then re-entry and a normal subsonic approach to the destination (like the Shuttle, except the landing wouldn't be "dead stick.")
The trick is, unlike the little "up-down" space hops of Virgin Galactic, a true other-side-of-the-world hop takes almost as much delta-v as getting to orbit.
Now, that's fast travel. Packages, too.
The reason I've always likes spaceplane concepts is that it can give you the option for transcontinental flights. Sure you could do it with a vertical lander, but you really want to use conventional airports.
Space/Science » in reply to X51A test flight today
One hour transatlantic flights
