Might be worth posting this in Mil Aircrew.
But if you are thinking of joining the military to get yourself a job with the airlines, then you are going to be in for some rude awakenings.
It's not a free flight school, you'll be expected to go to war if needs be, and with a typical return of service around the 15 yr mark, you need to be in it because you WANT to be in the military.