Information superiority plays very important role for winning the war. Recent warfield have been shown rapid and precise because of new technology. Technologies such as VoIP, wireless LAN, WiBro, RFID and Bio recognition appear as new technologies for giving and receiving information effectively in our current world, it is believed to take superior position of information to address weaknesses in information transferring and protection for each system and then apply them future battlefield information system. In this study, reviewing future battlefields system that US army goes after and those of Korean army will suggest how to accomplish information superiority for army in future battlefields.