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  <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="EchoStarXVIIMember" id="hssc_EchoStarXVIIMember" 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="D1SatelliteMember" id="hssc_D1SatelliteMember" 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="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="IndefiniteLivedOrbitalRightsMember" id="hssc_IndefiniteLivedOrbitalRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" 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="NorthAmericaMember" id="hssc_NorthAmericaMember" 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="NumberOfSatellitesInGeostationaryOrbitUtilizedByReportingEntityUnderCapitalLeases" id="hssc_NumberOfSatellitesInGeostationaryOrbitUtilizedByReportingEntityUnderCapitalLeases" 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="OrbitalRightsMember" id="hssc_OrbitalRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BrazilAuthorizationRightsMember" id="hssc_BrazilAuthorizationRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherComprehensiveIncomeIncomeLossFromEquityMethodInvestmentsArisingDuringPeriodNetOfTax" id="hssc_OtherComprehensiveIncomeIncomeLossFromEquityMethodInvestmentsArisingDuringPeriodNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" 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="PaymentsToAcquireIntercompanyNotesRelatingToAcquisition" id="hssc_PaymentsToAcquireIntercompanyNotesRelatingToAcquisition" 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="PeriodOfInOrbitInsurance" id="hssc_PeriodOfInOrbitInsurance" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIntercompanyNotesRelatingToAcquisition" id="hssc_ProceedsFromIntercompanyNotesRelatingToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" 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="ReductionOfCapitalLeaseObligationsAndAssociatedAssetValue1" id="hssc_ReductionOfCapitalLeaseObligationsAndAssociatedAssetValue1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" 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="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="SatelliteServicesLeasedFromDishNetworkMember" id="hssc_SatelliteServicesLeasedFromDishNetworkMember" 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="ScheduleOfCondensedBalanceSheetTableTextBlock1" id="hssc_ScheduleOfCondensedBalanceSheetTableTextBlock1" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCondensedCashFlowStatementTableTextBlock1" id="hssc_ScheduleOfCondensedCashFlowStatementTableTextBlock1" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCondensedIncomeStatementTableTextBlock1" id="hssc_ScheduleOfCondensedIncomeStatementTableTextBlock1" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" 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="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="StrategicMarketableInvestmentSecuritiesMember" id="hssc_StrategicMarketableInvestmentSecuritiesMember" 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="TotalInterestObligation" id="hssc_TotalInterestObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" 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="GoodwillAndIntangibleAssetsGoodwillAndIndefiniteLivedIntangibleAssetsPolicyTextBlock" id="hssc_GoodwillAndIntangibleAssetsGoodwillAndIndefiniteLivedIntangibleAssetsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MarketableAndOtherInvestmentSecuritiesFairValueMethodPolicyTextBlock" id="hssc_MarketableAndOtherInvestmentSecuritiesFairValueMethodPolicyTextBlock" type="nonnum:textBlockItemType" 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="ScheduleOfConstructionInProcessTableTextBlock" id="hssc_ScheduleOfConstructionInProcessTableTextBlock" 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="EchoStarXVIIIMember" id="hssc_EchoStarXVIIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfNotesTenderedForExchange" id="hssc_PercentageOfNotesTenderedForExchange" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeasedSatellitesMember" id="hssc_LeasedSatellitesMember" 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="EmployeeBenefitPlansLineItems" id="hssc_EmployeeBenefitPlansLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerMatchingContributionAsPercentageOfEmployeeVoluntaryContribution" id="hssc_DefinedContributionPlanEmployerMatchingContributionAsPercentageOfEmployeeVoluntaryContribution" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <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="DefinedContributionPlanAgeOfEmployeeToMakeAdditionalContributions" id="hssc_DefinedContributionPlanAgeOfEmployeeToMakeAdditionalContributions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployeeAdditionalContributionLimit" id="hssc_DefinedContributionPlanEmployeeAdditionalContributionLimit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EmployeeBenefitPlansTable" id="hssc_EmployeeBenefitPlansTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" 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="SatelliteRelatedObligationMember" id="hssc_SatelliteRelatedObligationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EchoStarXIXMember" id="hssc_EchoStarXIXMember" 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="EmployeeStockPurchasePlanAbstract" id="hssc_EmployeeStockPurchasePlanAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeStockPurchasePlanMinimumRequisiteServicePeriod" id="hssc_EmployeeStockPurchasePlanMinimumRequisiteServicePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" 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="DebtRepurchasePricePercentageInEventOfChangeOfControl" id="hssc_DebtRepurchasePricePercentageInEventOfChangeOfControl" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtRedemptionPriorToJune152015PriceWithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" id="hssc_LongTermDebtRedemptionPriorToJune152015PriceWithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtIssuePriceAsPercentageOfPrincipalAmount" id="hssc_LongTermDebtIssuePriceAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtRedemptionPriceAsPercentageOfPrincipalAmount" id="hssc_LongTermDebtRedemptionPriceAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtRedemptionPriorToJune152014WithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" id="hssc_LongTermDebtRedemptionPriorToJune152014WithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtRedemptionPriorToJune152014PriceWithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" id="hssc_LongTermDebtRedemptionPriorToJune152014PriceWithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtRedemptionPriorToJune152015WithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" id="hssc_LongTermDebtRedemptionPriorToJune152015WithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ReductionOfCapitalLeaseObligationsAndAssociatedAssetValue2" id="hssc_ReductionOfCapitalLeaseObligationsAndAssociatedAssetValue2" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <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="UnrecognizedTaxBenefitMember" id="hssc_UnrecognizedTaxBenefitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" 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="OtherComprehensiveIncomeLossUnrealizedHoldingGainsLossesOnAvailableForSaleSecuritiesAndOtherAdjustmentsNetOfTax" id="hssc_OtherComprehensiveIncomeLossUnrealizedHoldingGainsLossesOnAvailableForSaleSecuritiesAndOtherAdjustmentsNetOfTax" 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="ProceedsFromPaymentsToParents" id="hssc_ProceedsFromPaymentsToParents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OtherConstructionInProgressMember" id="hssc_OtherConstructionInProgressMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" 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="DefinedContributionPlanMaximumAnnualContributionEmployeePercentOfEligibleCompensation" id="hssc_DefinedContributionPlanMaximumAnnualContributionEmployeePercentOfEligibleCompensation" type="num:percentItemType" substitutionGroup="xbrli:item" 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="ScheduleOfEBITDATableTextBlock" id="hssc_ScheduleOfEBITDATableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" 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="NumbersOfPublicCompanyInWhichSharesOfCommonStockHeld" id="hssc_NumbersOfPublicCompanyInWhichSharesOfCommonStockHeld" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfPublicCompaniesInWhichSharesOfCommonStockWereHeld" id="hssc_NumberOfPublicCompaniesInWhichSharesOfCommonStockWereHeld" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
</xsd:schema>
