Those are purely honorary and ceremonial titles. He'd get short shrift if he tried to issue orders. Militarily he holds only such reserve rank as he may have earned in service.

The level of ignorance in some of these responses is abysmal.

Don T.

Well if they're purely honorary and ceremonial, Don, why haven't you or I got one! So next time they show up at the Cenotaph, laden with a coupla kilos of dodgy gongs on their chests, are you going to tell us again what brave and mighty warriors they all are?

Abysmal isn't a level. It's a big hole. Cue next insult from owld Don...