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He just left meps and is now officially sworn in and property of the U.S. Government. Any tips for him, He signed up for 6 yrs instead of 4 which will start him at an E3 instead of a 1, not sure on MOS yet They told him to pick 6 jobs that he wanted and I believe all of them mostly dealt with some type of mechanics. Im super proud of him and hes finally gonna get his shit together, Just figured Id pass the great news and get some useful info from some fellas that been there and done that....
He will have 'fun' for about eight weeks once he gets shipped out, which I am assuming he has yet to do. This is his first trip to MEPS, yes? If so, there's going to be a wait while he is in the Delayed Enlistment Program, or DEP. Now is a good time to start running, running and running. He will have to go to the recruiter's office once a month for weigh-in and a general BS session or more, depending on the recruiter.
If I remember correctly, his E3 stripes/pay will take effect once he graduates basic. While in basic, everyone wears slick sleeves until the last week or so when you're rolling around in blues.
Now, as far as jobs... MX, depending on which slot he goes into, can be a really hectic job. Lots of lonnnnng days out on the ramp or, if he gets put into a specialist slot, lots of booring days in the individual back shops where specialized repairs take place.
Once he gets into the "real" AF, and out of tech school, his quality of life will vastly increase, so long as he isn't a douchebag. While in tech school, he'll be treated like a child, just like everyone else. It is frustrating, but one has to shut up and color.
Good luck to your brother!
ETA: Also, we don't have MOSs. In the AF, you have an Air Force Speciality Code, or AFSC.