Adult men and women in the service soon learn not to do that,.
Or maybe they have simply forgotten what civility is...
Thankfully, I know that this is not true. I know many service men and women that belie your post in the best way possible. Actually, I think your post is an insult to the vast majority of enlisted men and women.
You don't have to be arrogant and rude in order to be tough or "bad-ass", and in this thread from the crypt M. Strider has shown himself both of the former and non of the latter.