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  <xsd:element name="FairValueMeasurementAssetAndLiabilityTransfersBetweenLevels" id="hssc_FairValueMeasurementAssetAndLiabilityTransfersBetweenLevels" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AMC15Member" id="hssc_AMC15Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Nimiq5Member" id="hssc_Nimiq5Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTranspondersOptionOne" id="hssc_NumberOfTranspondersOptionOne" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WattsPerChannelOptionOne" id="hssc_WattsPerChannelOptionOne" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTranspondersAvailableOptionTwo" id="hssc_NumberOfTranspondersAvailableOptionTwo" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WattsPerChannelOptionTwo" id="hssc_WattsPerChannelOptionTwo" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquipmentRevenueRelatedParty" id="hssc_EquipmentRevenueRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSpotBeamsOptionOne" id="hssc_NumberOfSpotBeamsOptionOne" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReductionInAssetCarryingAmountDueToReductionInCapitalLeaseObligation" id="hssc_ReductionInAssetCarryingAmountDueToReductionInCapitalLeaseObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SubscriberAcquisitionCostsPolicyTextBlock" id="hssc_SubscriberAcquisitionCostsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccountingPoliciesTable" id="hssc_AccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccountingPoliciesLineItems" id="hssc_AccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConsumerRentalProgramPeriodOfServiceContract" id="hssc_ConsumerRentalProgramPeriodOfServiceContract" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SoftwareUsefulLife" id="hssc_SoftwareUsefulLife" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MaximumLiabilityForTheUnvestedStockOptionsOfAcquiredEntity" id="hssc_MaximumLiabilityForTheUnvestedStockOptionsOfAcquiredEntity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PortionOfLiabilityAccruedForTheUnvestedStockOptionsOfAcquiredEntity" id="hssc_PortionOfLiabilityAccruedForTheUnvestedStockOptionsOfAcquiredEntity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AMC16Member" id="hssc_AMC16Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllOtherGeographicSegmentsMember" id="hssc_AllOtherGeographicSegmentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllowanceForDoubtfulAccountsReceivableFromRelatedPartiesCurrent" id="hssc_AllowanceForDoubtfulAccountsReceivableFromRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BlockbusterIncMember" id="hssc_BlockbusterIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationOwnershipPercentageAcquiredByRelatedParty" id="hssc_BusinessCombinationOwnershipPercentageAcquiredByRelatedParty" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CondensedConsolidatingFinancialInformationForSubsidiaryGuarantorsAndNonGuarantorsDisclosureAbstract" id="hssc_CondensedConsolidatingFinancialInformationForSubsidiaryGuarantorsAndNonGuarantorsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DBSDNorthAmericaAgreementMember" id="hssc_DBSDNorthAmericaAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DISHBroadbandMember" id="hssc_DISHBroadbandMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DISHNetworkMember" id="hssc_DISHNetworkMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DISHTelesatAgreementMember" id="hssc_DISHTelesatAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalLeaseObligationsIncreaseDecreaseDueToChangeInMonthlyRecurringPayment" id="hssc_CapitalLeaseObligationsIncreaseDecreaseDueToChangeInMonthlyRecurringPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DishMexicoMember" id="hssc_DishMexicoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DishQuetzSat1LeaseAgreementMember" id="hssc_DishQuetzSat1LeaseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="hssc_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EContactTechnologiesLlcLawsuitMember" id="hssc_EContactTechnologiesLlcLawsuitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarningsBeforeInterestTaxDepreciationAndAmortization" id="hssc_EarningsBeforeInterestTaxDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EchoStarIIIMember" id="hssc_EchoStarIIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarManagementServicesAgreementMember" id="hssc_EchoStarManagementServicesAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarProfessionalServicesAgreementMember" id="hssc_EchoStarProfessionalServicesAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarVIMember" id="hssc_EchoStarVIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarXVIMember" id="hssc_EchoStarXVIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConstructionInProgressOtherMember" id="hssc_ConstructionInProgressOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityInEarningsOfSubsidiaries" id="hssc_EquityInEarningsOfSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" id="hssc_FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FurnitureFixturesEquipmentAndOtherMember" id="hssc_FurnitureFixturesEquipmentAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GainLossRecognizedDueToCapitalLeaseReduction" id="hssc_GainLossRecognizedDueToCapitalLeaseReduction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="HughesBroadbandDistributionAgreementMember" id="hssc_HughesBroadbandDistributionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HughesBusinessSegmentMember" id="hssc_HughesBusinessSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HughesCommunicationsMember" id="hssc_HughesCommunicationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEchoStar401KPlanMember" id="hssc_DefinedContributionPlanEchoStar401KPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanHughes401KPlanMember" id="hssc_DefinedContributionPlanHughes401KPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HughesSystiqueCorporationMember" id="hssc_HughesSystiqueCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxesPaidRelatedParty" id="hssc_IncomeTaxesPaidRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="Nimiq5AgreementMember" id="hssc_Nimiq5AgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfAmplifierLossInReportingPeriod" id="hssc_NumberOfAmplifierLossInReportingPeriod" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSatellitesInGeostationaryOrbitUtilizedByReportingEntity" id="hssc_NumberOfSatellitesInGeostationaryOrbitUtilizedByReportingEntity" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSubsidiariesAgainstWhichLawsuitFiled" id="hssc_NumberOfSubsidiariesAgainstWhichLawsuitFiled" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BrazilAuthorizationRightsMember" id="hssc_BrazilAuthorizationRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherComprehensiveIncomeLossFromEquityMethodInvestmentsArisingDuringPeriodNetOfTax" id="hssc_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsArisingDuringPeriodNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OtherMajorCustomersMember" id="hssc_OtherMajorCustomersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherNonoperatingIncomeExpenseMiscellaneous" id="hssc_OtherNonoperatingIncomeExpenseMiscellaneous" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PercentageOwnershipInVariableInterestEntityByOtherRelatedParties" id="hssc_PercentageOwnershipInVariableInterestEntityByOtherRelatedParties" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QuetzSat1LeaseAgreementMember" id="hssc_QuetzSat1LeaseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QuetzSat1TransponderAgreementMember" id="hssc_QuetzSat1TransponderAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RUSServiceImplementationAgreementMember" id="hssc_RUSServiceImplementationAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReductionOfCapitalLeaseObligationsAndAssociatedGainValue1" id="hssc_ReductionOfCapitalLeaseObligationsAndAssociatedGainValue1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementAutomaticRenewalPeriod" id="hssc_RelatedPartyTransactionsAgreementAutomaticRenewalPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementMaximumNumberOfOneYearRenewalOptions" id="hssc_RelatedPartyTransactionsAgreementMaximumNumberOfOneYearRenewalOptions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementRenewalOptionTerm" id="hssc_RelatedPartyTransactionsAgreementRenewalOptionTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementRenewalOptionAdditionalTerm" id="hssc_RelatedPartyTransactionsAgreementRenewalOptionAdditionalTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementTerm" id="hssc_RelatedPartyTransactionsAgreementTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementTermFromCommencementOfServiceDate" id="hssc_RelatedPartyTransactionsAgreementTermFromCommencementOfServiceDate" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementTerminationNoticeRequiredByReportingEntity" id="hssc_RelatedPartyTransactionsAgreementTerminationNoticeRequiredByReportingEntity" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAgreementTerminationRequiredNoticePeriodFromRelatedPartyMinimum" id="hssc_RelatedPartyTransactionsAgreementTerminationRequiredNoticePeriodFromRelatedPartyMinimum" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsGrantsReceivableByRelatedParty" id="hssc_RelatedPartyTransactionsGrantsReceivableByRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RelatedPartyTransactionsNumberOfDBSTranspondersAvailable" id="hssc_RelatedPartyTransactionsNumberOfDBSTranspondersAvailable" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RelatedPartyTransactionsNumberOfDBSTranspondersExpectedToReceiveServicesPerAgreement" id="hssc_RelatedPartyTransactionsNumberOfDBSTranspondersExpectedToReceiveServicesPerAgreement" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RelatedPartyTransactionsNumberOfDBSTranspondersReceivingServices" id="hssc_RelatedPartyTransactionsNumberOfDBSTranspondersReceivingServices" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfAgreement" id="hssc_RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfAgreement" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsAdditionalAgreementTerm" id="hssc_RelatedPartyTransactionsAdditionalAgreementTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfSpecificService" id="hssc_RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfSpecificService" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SESLatinAmericaMember" id="hssc_SESLatinAmericaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SatelliteServicesBusinessMember" id="hssc_SatelliteServicesBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SatelliteCapacityLeasedToDishNetworkMember" id="hssc_SatelliteCapacityLeasedToDishNetworkMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SatellitesMember" id="hssc_SatellitesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDepreciationExpenseTableTextBlock" id="hssc_ScheduleOfDepreciationExpenseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" id="hssc_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" id="hssc_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes7.625PercentDue2021Member" id="hssc_SeniorNotes7.625PercentDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorSecuredNotes6.50PercentDue2019Member" id="hssc_SeniorSecuredNotes6.50PercentDue2019Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TelemetryTrackingAndControlAgreementMember" id="hssc_TelemetryTrackingAndControlAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TelesatCanadaMember" id="hssc_TelesatCanadaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TotalNumberOfAmplifierLoss" id="hssc_TotalNumberOfAmplifierLoss" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsOperatingLossTaxCreditAndOtherCarryforwards" id="hssc_DeferredTaxAssetsOperatingLossTaxCreditAndOtherCarryforwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AccountsReceivableContractsInProcessMember" id="hssc_AccountsReceivableContractsInProcessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnersNetInvestmentMember" id="hssc_OwnersNetInvestmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnersNetInvestmentReclass" id="hssc_OwnersNetInvestmentReclass" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ContributionsFromPriorOwner" id="hssc_ContributionsFromPriorOwner" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfConstructionInProgressTableTextBlock" id="hssc_ScheduleOfConstructionInProgressTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfSatellitesTableTextBlock" id="hssc_ScheduleOfSatellitesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerRentalEquipmentMember" id="hssc_CustomerRentalEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarIVMember" id="hssc_EchoStarIVMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarVIIIMember" id="hssc_EchoStarVIIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarIXMember" id="hssc_EchoStarIXMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarXIIMember" id="hssc_EchoStarXIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SPACEWAY3Member" id="hssc_SPACEWAY3Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InitialTermOfSatelliteCapitalLeases" id="hssc_InitialTermOfSatelliteCapitalLeases" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalLeasesFutureMinimumPaymentsExecutoryCostsAndOrbitalLocationLease" id="hssc_CapitalLeasesFutureMinimumPaymentsExecutoryCostsAndOrbitalLocationLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedContributionPlanNumberOfPlans" id="hssc_DefinedContributionPlanNumberOfPlans" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEligiblePeriodOfServiceForMatchingContribution" id="hssc_DefinedContributionPlanEligiblePeriodOfServiceForMatchingContribution" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanMaximumAnnualContributionPerEmployeeForHighlyCompensatedEmployeesPercent" id="hssc_DefinedContributionPlanMaximumAnnualContributionPerEmployeeForHighlyCompensatedEmployeesPercent" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerMatchLevelOne" id="hssc_DefinedContributionPlanEmployerMatchLevelOne" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" id="hssc_DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerMatchLevelTwo" id="hssc_DefinedContributionPlanEmployerMatchLevelTwo" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerMatchEmployeeContributionLevelTwo" id="hssc_DefinedContributionPlanEmployerMatchEmployeeContributionLevelTwo" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarCorporationMember" id="hssc_EchoStarCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeStockPurchasePlanMaximumFairValueOfCommonStockPermittedToBePurchasedPerAnnum" id="hssc_EmployeeStockPurchasePlanMaximumFairValueOfCommonStockPermittedToBePurchasedPerAnnum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfMajorCustomers" id="hssc_NumberOfMajorCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDefinedContributionBenefitPlansDisclosuresTable" id="hssc_ScheduleOfDefinedContributionBenefitPlansDisclosuresTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentPurchasePriceDueToChangeOfControlAsPercentageOfAggregatePrincipalAmount" id="hssc_DebtInstrumentPurchasePriceDueToChangeOfControlAsPercentageOfAggregatePrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfDefinedContributionBenefitPlansDisclosuresLineItems" id="hssc_ScheduleOfDefinedContributionBenefitPlansDisclosuresLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanMaximumAnnualContributionByEmployeeAmount" id="hssc_DefinedContributionPlanMaximumAnnualContributionByEmployeeAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments" id="hssc_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments" id="hssc_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PrinciplesOfConsolidationAndBasisOfPresentationPolicyTextBlock" id="hssc_PrinciplesOfConsolidationAndBasisOfPresentationPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalizedSoftwarePolicyTextBlock" id="hssc_CapitalizedSoftwarePolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfKuBandFSSTransponders" id="hssc_NumberOfKuBandFSSTransponders" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsNumberOfDBSTranspondersReceivingServicesSublease" id="hssc_RelatedPartyTransactionsNumberOfDBSTranspondersReceivingServicesSublease" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="WattsPerChannelOptionThree" id="hssc_WattsPerChannelOptionThree" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReductionOfCapitalLeaseObligationsAndAssociatedAssetValue" id="hssc_ReductionOfCapitalLeaseObligationsAndAssociatedAssetValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IndefiniteLivedRegulatoryAuthorizationsMember" id="hssc_IndefiniteLivedRegulatoryAuthorizationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefiniteLivedRegulatoryAuthorizationsMember" id="hssc_DefiniteLivedRegulatoryAuthorizationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthorizationsMember" id="hssc_RegulatoryAuthorizationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionContractualRightsAcquired" id="hssc_BusinessAcquisitionContractualRightsAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DeluxeEchoStarLLCMember" id="hssc_DeluxeEchoStarLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanDisclosureAxis" id="hssc_DefinedContributionPlanDisclosureAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanDomain" id="hssc_DefinedContributionPlanDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ServicesAndOtherRevenueRelatedParty" id="hssc_ServicesAndOtherRevenueRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTravelingWaveTube" id="hssc_NumberOfTravelingWaveTube" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTranspondersAvailableForUse" id="hssc_NumberOfTranspondersAvailableForUse" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProgressAmountsForSatelliteConstructionOtherMember" id="hssc_ProgressAmountsForSatelliteConstructionOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HNSAmericasComunicacoesLTDAMember" id="hssc_HNSAmericasComunicacoesLTDAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarLoanMember" id="hssc_EchoStarLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BrazilLoanMember" id="hssc_BrazilLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarDoBrazilParticipacoesLTDAMember" id="hssc_EchoStarDoBrazilParticipacoesLTDAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfPublicCompaniesInWhichSharesOfCommonStockWereHeld" id="hssc_NumberOfPublicCompaniesInWhichSharesOfCommonStockWereHeld" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RegulatoryAuthorizationIncludedInAccruedLiabilitiesAssumed" id="hssc_RegulatoryAuthorizationIncludedInAccruedLiabilitiesAssumed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PrepaidExpenseAndDepositsAssetsCurrent" id="hssc_PrepaidExpenseAndDepositsAssetsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="TransferOfRegulatoryAuthorizationToRelatedParty" id="hssc_TransferOfRegulatoryAuthorizationToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CielSatelliteHoldingsIncMember" id="hssc_CielSatelliteHoldingsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TaxSharingAgreementMember" id="hssc_TaxSharingAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxExpenseBenefitPeriodIncreaseDecrease" id="hssc_IncomeTaxExpenseBenefitPeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments" id="hssc_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments" id="hssc_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments" id="hssc_AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfReconciliationOfEBITDAToIncomeLossBeforeIncomeTaxesTableTextBlock" id="hssc_ScheduleOfReconciliationOfEBITDAToIncomeLossBeforeIncomeTaxesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarSatelliteServicesBusinessMember" id="hssc_EchoStarSatelliteServicesBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NorthAmericaOtherThanUSMember" id="hssc_NorthAmericaOtherThanUSMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentIssuePriceAsPercentageOfPrincipalAmount" id="hssc_DebtInstrumentIssuePriceAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentRedemptionWithNetProceedsFromEquityOfferingsOrCapitalContributionsAsPercentageOfAggregatePrincipalAmount" id="hssc_DebtInstrumentRedemptionWithNetProceedsFromEquityOfferingsOrCapitalContributionsAsPercentageOfAggregatePrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CanadianRegulatoryAuthorizationMember" id="hssc_CanadianRegulatoryAuthorizationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AmountOfCashToCoverBalanceOfEchostarLoanAndCostsIncurredWithIntangibleAssets" id="hssc_AmountOfCashToCoverBalanceOfEchostarLoanAndCostsIncurredWithIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CaliforniaInstituteOfTechnologyMember" id="hssc_CaliforniaInstituteOfTechnologyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForProceedsFromOtherInvestingActivities1" id="hssc_PaymentsForProceedsFromOtherInvestingActivities1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InvestmentsInSubsidiaries" id="hssc_InvestmentsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EchoStarXVIIMember" id="hssc_EchoStarXVIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QuetzSat1Member" id="hssc_QuetzSat1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfContractualObligationsTable" id="hssc_ScheduleOfContractualObligationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractualObligationsTypeAxis" id="hssc_ContractualObligationsTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractualObligationsTypeDomain" id="hssc_ContractualObligationsTypeDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SatelliteRelatedObligationMember" id="hssc_SatelliteRelatedObligationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeaseObligationsMember" id="hssc_OperatingLeaseObligationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongTermPurchaseCommitmentAndOtherObligationsMember" id="hssc_LongTermPurchaseCommitmentAndOtherObligationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxBenefitMember" id="hssc_UnrecognizedTaxBenefitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractualObligationsLineItems" id="hssc_ContractualObligationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReductionInAssetCarryingAmountDueToAdditionalSolarArrayAnomalies" id="hssc_ReductionInAssetCarryingAmountDueToAdditionalSolarArrayAnomalies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IntangibleAssetsFiniteLivedAndIndefiniteLivedPolicyTextBlock" id="hssc_IntangibleAssetsFiniteLivedAndIndefiniteLivedPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentageAfterSpecifiedPeriodOfService" id="hssc_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentageAfterSpecifiedPeriodOfService" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TransactionAgreementMember" id="hssc_TransactionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DISHNetworkLLCAndDISHOperatingLLCMember" id="hssc_DISHNetworkLLCAndDISHOperatingLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsPreferredTrackingStockIssuedByRelatedParty" id="hssc_RelatedPartyTransactionsPreferredTrackingStockIssuedByRelatedParty" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsNumberOfOwnedSatellitesTransferred" id="hssc_RelatedPartyTransactionsNumberOfOwnedSatellitesTransferred" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsPercentageOfEconomicInterestHeld" id="hssc_RelatedPartyTransactionsPercentageOfEconomicInterestHeld" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SatelliteRelatedExpenses" id="hssc_SatelliteRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsLeaseTerminationNoticeRequiredByReportingEntity" id="hssc_RelatedPartyTransactionsLeaseTerminationNoticeRequiredByReportingEntity" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetIncomeLossAttributableToNoncontrollingInterestEBITDAAdjustment" id="hssc_NetIncomeLossAttributableToNoncontrollingInterestEBITDAAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InvestorRightsAgreementMember" id="hssc_InvestorRightsAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsNumberOfSeriesOfPreferredTrackingStockToBeIssuedByRelatedParty" id="hssc_RelatedPartyTransactionsNumberOfSeriesOfPreferredTrackingStockToBeIssuedByRelatedParty" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProhibitionPeriodForTransferOfTrackingStock" id="hssc_ProhibitionPeriodForTransferOfTrackingStock" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsToAcquireIntercompanyNotesRelatingToAcquisition" id="hssc_PaymentsToAcquireIntercompanyNotesRelatingToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIntercompanyNotesRelatingToAcquisition" id="hssc_ProceedsFromIntercompanyNotesRelatingToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SatelliteAndTrackingStockTransactionMember" id="hssc_SatelliteAndTrackingStockTransactionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerDiscretionaryContributionAmountNetOfForfeitures" id="hssc_DefinedContributionPlanEmployerDiscretionaryContributionAmountNetOfForfeitures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AllOtherSegmentsAndEliminationsMember" id="hssc_AllOtherSegmentsAndEliminationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarIMember" id="hssc_EchoStarIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarVIIMember" id="hssc_EchoStarVIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarXMember" id="hssc_EchoStarXMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarXIMember" id="hssc_EchoStarXIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarXIVMember" id="hssc_EchoStarXIVMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionsTransferredNetAssets" id="hssc_RelatedPartyTransactionsTransferredNetAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="TargetedOrTrackingStockStockAbstract" id="hssc_TargetedOrTrackingStockStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCarryingAmountOfNetAssetsTransferredUnderTrackingStockTransactionTableTextBlock" id="hssc_ScheduleOfCarryingAmountOfNetAssetsTransferredUnderTrackingStockTransactionTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfNetAmountCreditedToShareholdersEquityTableTextBlock" id="hssc_ScheduleOfNetAmountCreditedToShareholdersEquityTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AvailableForSaleSecuritiesDebtMaturitiesAfterNextRollingTwelveMonthsFairValue" id="hssc_AvailableForSaleSecuritiesDebtMaturitiesAfterNextRollingTwelveMonthsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="HughesRetailGroupMember" id="hssc_HughesRetailGroupMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetIncomeLossAvailableToCommonStockholdersBasicBeforeAdjustmentForNetIncomeLossAttributableToPreferredTrackingStockNoncontrollingInterest" id="hssc_NetIncomeLossAvailableToCommonStockholdersBasicBeforeAdjustmentForNetIncomeLossAttributableToPreferredTrackingStockNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyNumberOfPatentsInfringed" id="hssc_LossContingencyNumberOfPatentsInfringed" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSolarArrayCircuitsAffectedByAnomalies" id="hssc_NumberOfSolarArrayCircuitsAffectedByAnomalies" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfFunctionalSolarArrayCircuits" id="hssc_NumberOfFunctionalSolarArrayCircuits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TargetedOrTrackingStockDisclosureTextBlock" id="hssc_TargetedOrTrackingStockDisclosureTextBlock" abstract="false" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" type="nonnum:textBlockItemType" />
</xsd:schema>
