On Sat, 2 Jan 2021, Nigel Johnson via cctalk wrote:
For one exciting moment there I thought that you were
talking about the
Semi-Automatic Ground Environment - which a friend of mine was a tech on
in North Bay, ON, part of the DEW line!
I was getting ready to up stakes and hop off to Philadelphia!
Well, perhaps somebody could entertain us by telling us, what differences
we might see between the two machines :-)