THE PRESENT INVENTION DISCLOSES A SYSTEM OF COMMUNICATION FOR USE IN A MILITARY OPERATION SITE. THE SYSTEM COMPRISES A PORTABLE PERSONAL UNIT ATTACHABLE TO PERSONNEL AND A BASE STATION IN COMMUNICATION WITH THE PORTABLE PERSONAL UNIT. THE PORTABLE PERSONAL UNIT COMPRISES A MICROCONTROLLER, A GLOBAL POSITIONING SYSTEM, GPS, LOCATION SENSOR, A TEMPERATURE SENSOR, A HUMIDITY SENSOR, A SIX DEGREE OF FREEDOM, 6DOF, INERTIAL SENSOR, A HEARTBEAT SENSOR, A SOLAR CHARGER, A SURVEILLANCE CAMERA AND A RADIO FREQUENCY, RF, SENSOR. THE PORTABLE PERSONAL UNIT COMMUNICATES WITH A MOBILE WIRELESS GATEWAY DEPLOYED BETWEEN THE PORTABLE PERSONAL UNIT AND THE BASE STATION THROUGH THE RF SENSOR THEREOF. THE MOBILE WIRELESS GATEWAY COMPRISES A MICROCONTROLLER, AN RF UNIT COMPRISING AN RF ANTENNA AND A GENERAL PACKET RADIO SERVICE, GPRS, UNIT FOR RECEIVING THE DATA FROM THE RF UNIT AND FOR TRANSMITTING THE SAME THROUGH A GPRS ANTENNA VIA A MILITARY NETWORK TO THE BASE STATION THEREOF.