Here's Dave's answer to my asking about the coloured badges, Doug:
"As to the coloured badges, I don't have any explanation because I have never found any description, official or otherwise, about those. Bill A. and I have had lengthy discussions about them and we are both somewhat at a loss. The fact that they are identical, other than enamel colour, to the standard military version means there may be a connection. However, I am beginning to think these relate more to the masonic order, specifically the Knights Templer. The chaplaincy and the Knights share quite a bit of common history and that may be the connection."
You can bug him for more at
canwehelp@cmhs.ca