Instructors and technicians are not the same as Infantry, Calvary or Artillery. Those are the "Combat Arms" of an Army and what people normally refer to as "Combat Soldiers".
They are combatants yes but more along the lines of aircraft or ship crewmen. They would have combat troops assigned to protect the perimeter of their bases.
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Flanked by life and the funeral pyre. Putting on a show for you to see.
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