What's the problem here? He's going to be head of the armed forces as king, so it makes sense that he's had a taster of all 3. There's no prospect of him going on ops, so it's really only a famil, and there's no way he can get to 'wings' standard in only 4 months, especially on both FW & RW. Be grateful that he is getting some experience of the services, compared to Browne, Hoon & all the rest of the incompetents that get put in charge as defence ministers.
Next you'll all be complaining about the enormous selection of medals sported by his father on his uniform!