Depending on what role you want in the army they will train you to do everything. You will gain qualifications but generally all you need is a pass in year 9 or equivalent for Direct Entry. If you...
Quite impressively during WW2 Australia with just a population of 7 million people raised an army of 1.2 million soldiers.
If what?
i think about 20,000 including non combat jobs about 20,000
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