beginning around the early 1970s, 1974 to be exact. The Bechtel Corporation is an American
engineering procurement and construction management company founded in the U.S. Bechtel has often been
targeted as one of the U.S. Corporation's responsible for dumb tunnel systems. In 1974, Bechtel released
document. This includes a joint project with Bechtel, Hughes Aircraft and MIT which employs a UARC
by Grumman Corporation pre-Northrop, Bechtel Memorial Labs and Honeywell. All contractors mentioned
There's also a tremendous amount of information specifically starting post 1974 with Bechtel