Bob C, we had a Doc, burning ambition and all that. Joined in his late 30s, got in as a wg cdr (or shortly after).
Apart from the usual G complex he was far too old. Physically infirm from too much civilian surgery practise and no example whatever.
Yes, IMHO even joining at 23 is pushing it.
Can you imagine the modern advert similar to one run in the 60s?
23, you could be a Typhoon leader heading a 4-ship or a mission to Londistan to intercept a giant Airbus with 800 screaming passengers on board. If you think you can do this rather than be tied to the kitchen sink while your husband is out at work, join the Royal Air Force.
Flies Monday to Thursday from 9 to 4 and lunchtimes on Fridays, other times on request.