GF's son was active USAF. Served in Okinawa (where he met his wonderful wife), and did the Air National Guard thing after that. He's taken full advantage of his VA benefits, to his credit. He holds a Masters now, and his post USAF career has been SpaceX to Gulfstream to Clay Lacy to a private owner of a G650 which he manages as the "mechanic"....he schedules and oversees all maintenance, either routine or non-routine.
When he joined the USAF, he was "almost" done with his Bachelor's. He had run out of the money that his trust had set-aside for his education, so, without informing either parent, he went to the recruiting office.
He took the ASVAB, and, was eligible for most of the jobs due to his high score. He wanted to work on airplanes, particularly on the electronics. The job he wanted wasn't airplane specific. It included working on planes, or working on airports; the radars, lights, etc. He was smart enough to look at the fine print, and the airfield job required a driver's license. He intentionally ditched his DL before showing up to basic training, and told everybody that he didn't know how to drive. So, he cemented his position working on actual aircraft.