EntityQ25886· pop 11· linked from 406 articlesBion 3Sign in to saveBion satelliteConnectionsSoviet UnionConceptAllied Control CouncilEntityProgress State Research and Production Rocket Space CenterEntityUnited StatesCountryHungaryCountryRomaniaCountryMoscowCityCold WarEntityInternational Standard Book NumberEntityCzechoslovakiaEntityUTCEntityWayback MachineEntityBobby FischerEntitypublic domainEntityTestudinidaeEntityCuban Missile CrisisEntityYalta ConferenceEntityKazakh Soviet Socialist RepublicEntitygeocentric modelEntityPotsdam ConferenceEntityCategories1975 in spaceflight1975 in the Soviet UnionBion satellitesCzechoslovakia–Soviet Union relationsFrance–Soviet Union relationsHungary–Soviet Union relationsKosmos satellitesPoland–Soviet Union relationsRomania–Soviet Union relationsSource attributionSoviet Union–United States relationsSpacecraft launched in 1975