Quote Originally Posted by Archangel
it's a martial thing, in war one has to be able to identify friend or foe, so flags have to be distinctly different, e.g., in WW1 British ground troops shot down planes flying the Union Jack since, from the ground, it resembled the German cross. The tricolour roundel was distinct.
So when Tenerife and Scotland go to war, Scotland will have to adopt a thistle insignia on its fighter jets to keep from shooting down it's own planes. You know, the next time Scotland goes to war against the Canary Islands.

Andrew.