I did BCT in a mixed company, NG's AR's, US's and a few of us RA's.
All the NG's and AR's admitted both sober and drunk, they were seeking to avoid VN.
Volunteered? Great, a infantry unit would have loved to had him in it.
I cannot climb in his brain, but he knows what is there.
So why didn't he keep an active (Private) pilots license after discharge?