Allan9 writes:

Think about what you see or think you see while working in a contro tower at
night

I had not considered that. I suppose if one is working the tower
alone at night, and there's no traffic, and one is in an isolated
area, one might get a bit spooked at times, especially if things other
than recognizable aircraft appear in the sky. But at least you can
readily leave the tower if necessary (although I guess the tractor
beam of the Borg could still sweep across the parking lot and snatch
you up). In an aircraft, you can't just open the door and get out
while in flight, so if you get a chill down your spine or a bright
green light starts scanning the cockpit, you're stuck.

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