How does the army work?

Like what I mean is how many jobs can you choose from? How long will you be away from your family and things I should know about before I join? or:Lik

Like what I mean is how many jobs can you choose from? How long will you be away from your family and things I should know about before I join?

or:Like what I mean is how many jobs can you choose from? How long will you be away from your family and things I should know about before I join?

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