Roly - probably because he has never I believe been promoted above the rank he served in, and big bro is an AF. Don't believe he is Colonel of anything, but if we still had the ACC.......................... - Wander00
That's not really like you at all - Apart from holding the honorary rank of Vice Admiral and being Honorary Commodore of the Fleet Air Arm, I believe that HRH The Duke of York is....
Honorary Air Commodore of RAF Lossiemouth, Colonel-in Chief or Royal Colonel of five British regiments or corps, and Colonel-in-Chief of three Canadian regiments and one New Zealand regiment.
And no, I have no idea why he doesn't wear uniform on the Queen's Official Birthday....
Jack