So, why no RCA? Admittedly they were the Canadian Army previously, but this is a, as some have said, "reinvention of the wheel"! What protocol dictates no 'Royal' for the Army?
The RCA is the Royal Canadian Artillery.
Royal Regiment of Canadian Artillery - Wikipedia, the free encyclopedia
They also used to produce gramophone records, which are apparently an old kind of mp3.
RCA Records - Wikipedia, the free encyclopedia