TheXXXIstInternationalAstronauticalCongresswasheldinTokyo,Japanfrom21to28September1980.Thecongressfocusedonthetheme"ApplicationsofSpaceDevelopments,"bringingtogetherexperts,researchers,andprofessionalsfromaroundtheworldtodiscussadvancementsandpracticalusesofspacetechnology.Topicsincludedsatellitecommunications,Earthobservation,spaceexploration,andthesocietalbenefitsofspace-basedapplications.Theeventservedasaplatformforinternationalcollaborationandknowledge-sharinginthefieldofastronautics.