UNITED STATED ARMY!!!!!!?

I would like to ask a question that to me, sounds somewhat legitimate. I am not very heavily educated about the military (don't hold it against me), although I do plan on joining in the near future. Anyhow my question is this, what are the differences, as well as similarities between a US Army Infantryman... show more I would like to ask a question that to me, sounds somewhat legitimate. I am not very heavily educated about the military (don't hold it against me), although I do plan on joining in the near future.

Anyhow my question is this, what are the differences, as well as similarities between a US Army Infantryman and a US Army Ranger.
I do know that Rangers are often compared to Navy SEALs, but I am looking for more specifics than that.

Thanks.
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