You may think it's a joke, but those shows have actually been run.

I considered signing up until I realised the price wasn't actually to get out there, but instead was a ticket to the first flight of some company claiming to have a suborbital flight system ready VerySoon(tm).
This was before Scaled won the X-Price mind you.

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An emperor without enemies, a king without a kingdom, supported in life by the willing tribute of a free people.