Apparatus for management of communications resources of a moving platform comprising an on-board communications system configured to effect wireless data communication between said moving platform and another node, said communications resources comprising a plurality of wireless communications links and a plurality of antennas associated therewith, the apparatus comprising an antenna analysis and selection module residing with said communications system and configured to: —receive, during a mission from one or more systems/subsystems and/or functions of said moving platform, attribute data representative of said emissions control criteria, said attribute data comprising (i) location data representative of a specified emissions control region, and/or (ii) position and/or attitude and/or velocity data representative of an adversary node defining an emissions control region; —determine, using said attribute data and based on said emissions control criteria, suitability of one or more on-board antennas and/or portions of aperture antenna for supporting said communications requirement; —for each of a plurality of antennas/portions of aperture antenna determined to be suitable for supporting said communications requirement based on said emissions control criteria, determine a quality metric, said quality metric being indicative of a respective performance criterion; and—select one or more of said suitable antennas/portion of aperture antenna having a highest performance criterion, for facilitating said communications requirement.