Comments by "Phil Davenport" (@phildavenport4150) on "Found And Explained" channel.

Right on. Why spend billions inventing an airframe made from unobtainium so that the craft can survive in our atmosphere? Altitude solves such problems, and guess what, we already have plenty of spy satellites available with the technology to see anything of interest on the ground. Your suggestion is spot on - finding a cheap and quick way of getting a space craft to space is the way to go. Why else would people be building reusable boosters, for instance? We're talking about reusable craft, and have been since the days of the shuttle. And it won't be long before (relatively) cheap orbital/suborbital tourism is with us. The days of super expensive, one-off Saturn boosters are long gone.
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