I worked in Hollywood, CA, selling video equip in the 80’s. One of my clients was Lockheed in Burbank (the industrials used far, far more gear than the studios, at least as far as them buying it from anyone other than direct from the mfrs) Burbank = just over the hill from Hwd. Burbank then was a very cool, quirky little town, with gazillions of weird but fascinating ancillary businesses that supported Lockheed and the studios.
Once I was taken on a tour of one of Lockheeds’ design facilities. It was kind of cool, of course, but I felt bad because while I was there, every computer screen (this was the mid-80’s not the 60’s like you said in your post) was flashing “uncleared visitor” and there were probably 50 qty 80K/year engineers and geeks sitting around in cubicles unable to get any work done.
I used to live in Palmdale. Another odd mixture of aero-industry and movies. We had a colony of “short people” where it was a brief drive to the movie sets, and for more mundane occupations, they worked slathering the inside of wings with goop to prevent fuel leaks.
Pirates of the Carribean 3, second unit was partially filmed at plant 42, in the buildings where the Space Shuttle and the B-1B bombers were produced.