Re: Concrete Tornado
Contemporary hearsay had it that the dummy radar had it’s own unofficial rainbow code[1], generally being referred to by those in the know as Blue Circle...
[1] https://en.m.wikipedia.org/wiki/List_of_Rainbow_Codes
Contemporary hearsay had it that the dummy radar had it’s own unofficial rainbow code[1], generally being referred to by those in the know as Blue Circle...
[1] https://en.m.wikipedia.org/wiki/List_of_Rainbow_Codes