I read a bumper sticker today that said, "we have your 6," and if I recall correctly, it was on a patrol car that swooped in front of me at a stoplight because I also remember a blue lives sticker. Now I'm certain I noticed and remembered those details for the purpose of answering this question.
So yes, it means that while you are operating in the earth, you are backed by the authority of heaven. Earlier I had exercised the right of this benefit in saying to a situation, "you will not deny me!" and, even though I didn't say it out loud but only in my spirit, my demand was satisfied.