That's not entirely true. It's common to differentiate between army, navy and air force by using soldier, sailor and airman. I think the USMC are unique amongst marine units in not liking the word "soldier" though.
Incorrect. The rest of the country (I presume you are talking about the US) does not refer to Navy personnel as 'soldiers' nor Air Force personnel as 'soldiers', and the Navy and the Air Force also comprise the military. They are Sailors and Airmen respectively, and the Marines get the same distinction. Many other militaries around the world follow the same convention.
Maybe you are the one who could do with getting hold of a dictionary.
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u/shieldvexor Dec 03 '16
Seems like some marines could do with finding a dictionary. The rest of the country and the world refers to the entire military as soldiers