These are read unconditionally, but were only initialized when the
coalition had nodes. When a coalition had no nodes, this caused a nil
access. It's unclear if that had any symptoms, but I expect at the very
least it would break the remainder of the script (so a non-functioning
blue IADS if the red IADS had no nodes).
There's a very small chance this is the culprit behind
https://github.com/dcs-liberation/dcs_liberation/issues/3073.
8c6d854732