Old and grey if I were you I wouldn't bother and it's got nothing to do with your age.
Do you really want to live in the desert for half a year for the foreseeable future, getting shot at in ageing aircraft, kitted out with outdated equipment, being poorly appreciated by your Seniors?
Cynical I know but someone has to tell you how it is! lots of people are leaving, ask yourself why?
The pay isn't bad but not great for the commitment we give, what benefits are you going to get from joining?
Seriously ask the people on the Sqn's that you go and visit, not just the first ones that speak to you but ask around get lots of views, you might be surprised.
GOOD LUCK whatever you decide.