The correct term is “REMF”, as in “rear echelon mother f******.
You goes where they sends ya.
My MOS was 0811 - ‘05s.
I was sent over individually as a grunt.
Ended up in a security platoon...mostly sitting on the wire near the rear with the gear except for sitting on the wire at ASP #1.
No C.A.R.
It was what it was...