Mine was smokey since i'm learning to be a firefighter, but now its Big MAC. I'm thinking thats because I organize our group and we're called MAC and i doubt its a mcdonalds reference since i never eat there. Dont know entirely i just know i should answer to it.
And call signs are only good if they are used 100% of the time on the field and people should have it engraved in their mind to answer to their call sign.
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