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Originally posted by THENEO
According to many there is now an extensive tunnel system under the US and Canada and other countries also. It is believed that many military bases are now underground and likely interconnected.
Do you know about underground bases near you?
Do you believe the tunnels and underground bases exist?
Do you believe these bases contain aliens?
standeyo.com...
Since 1951, huge tunnel boring machines have been at work burrowing under America. Most of these tunnels were for classified uses such as missile silos and other strategic targets. We believe the tunnels have been made to connect existing underground caves and caverns to save both the time and the expense of drilling. As the drilling varies on the rock hardness, they would choose soft limestone rock (called karst) to speed up the drilling. Some machines drill as slowly as 18 feet per day and others more rapidly. At 18-30 feet per day it would take from 6 to 10 months to drill a mile; so you can see why using existing caves and caverns would be attractive.
Originally posted by Canuck
I'd wager: That most military and government operations that are visited or run by high officials would have some means with which to escape in the event of an all out missile assault from another nation.
With modern technology it is very possible to have an intricate system of tunnels connecting major military installations. The problem is covering the distance between bases quickly. Chances are that if these tunnels exist, there is a railway with very fast cars.
Basically it would be a military transit system and not a big deal, it's to ensure the safety of sensitive information and important people.
Originally posted by Netchicken
Some of the things that make me very skeptical about massive tunnels under the country are this:
1) What happens to all the excavated soil? We are talking about MOUNTAINS of it, easy to spot from space.
2) Ventilation ducts, pumping stations, all sorts of odds and sods should be on the surface, not one indication that they are there.
3) Absolute lack of any evidence that they exist outside of heresay evidence of "somones friend / brother / uncle
4) 1000's of people must be involved, not just at the tunnel face, but office, admin, catering, waste removal, etc etc etc. No way would this be kept silent for so long.