Couldn’t find any pictures of the train system only tunnels and tunneling machines. These could potentially revolutionize the construction of subway systems.
I doubt it, much of its work is public information, although I will concede that much of its earliest research was tied to Department Of Defense contracts.
The channel tunnel is 30 miles long and cost around EIGHT BILLION USD to build. Even if more optimal tunnelling techniques can cut that to a tenth of the cost, I’m struggling to see how such a project could ever be fundable.
It’s at the center of the entire Conspiracy-Theory Complex (to coin a term) but I think that was more because it was/is an organization that works for governments inventing schemes to help them do what they do, rather than because of some proven link.
Still, it’d be nice if the CIA built us a giant underground train network. They get a bad rap as it is, this can only help…