Went the way of the Concord. Great but expensive.
Anyone remember the Space Shuttle? It was supposed to revolutionise space travel and take over from single use rockets. Now they are back to single use rockets as the standard means to travel to space. 1940s technology. It seems conventional and established is the new innovation.

Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!