My daughter took the Boeing plant tour about a year ago and said the security was very intense.
Was in the same way in 1975?
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I took the tour in 2003 (after 9/11) and there was little apparent security other than the fencing and security cameras). But lots in the background, I’m sure.
My memory could be faulty, but I don’t remember any. I do recall that before 1973 your ticket alone was all you needed to board a flight and my Mom and Dad would come down to the hate to greet me when I arrived. ZERO security in any terminal. Then came DB Cooper, commies wanting to get into Cuba and musselmen commandeering aircraft everywhere. It was the start of “did you pack your own bag” and searches.