The pilots who won the second world war, won it on black and white instruments.
But they didn't have a load of lawyers and beaurocrats to keep a gravy-train rolling for.
Agree, re-" colour gun" Use a crap, ill-founded term and you destroy your argument and your credibility.
The issue is, "if colour-generation fails, the display becomes greyscale."
(which, apparently,is exactly what CVD people see, anyway.)
OTOH, CASA seemed to have blundered into another farce,with Jabiru.
They really know how to turn the searchlight on their owni ncompetence!