In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Regiment
If you see an army regiment pass in front of you then you will have good news and someone with a good job will help you. If you see that you're a soldier in a regiment then you will advance at work.