Wiktionary
premilitary
a. Before military service.
Usage examples of "premilitary".
Draka schooling was sex-segregated, on the theory that youth should not be distracted from learning and their premilitary training.
In theory to allow children and adolescents undistracted time for their studies and premilitary training, although she suspected it was just as much a simple case of institutional inertia: the system worked well and nobody had reason enough to push for a change.
Their premilitary backgrounds are somewhat varied, which is good, but their job experiences and adult lives are naturally too similar and limited for us to get a good cross section of American society.