So the difference between air superiority and air supremacy is that air superiority just means that you have an advantage over your opponent or adversary in the air, that you can operate more easily, you can inflict damage on them, and it is more difficult for them to do those same type of operation. As to primacy means that you completely dominate, that you can operate without any opposition and that you can do what you want and not have to worry about being attacked and shot down or opposed in any way. Th ...