Shoot, move and communicate...Your military training will teach you what you need to know regarding these subjects and you’ll want to learn these from a military perspective (The Army way). However, anything else that you know related to the aforementioned subjects may help you in exercising A very important aspect of being a soldier, this is field expediency. Learn to drive stick, as matter of fact learning how to ride a motorcycle and a horse wouldn’t hurt either. I knew a little bit about auto repair before my first deployment and this prevented my team and I from getting stuck in a very compromising position in Safwan Iraq. My .02