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  <xs:element id="hrs_CommonCollectiveTrustsAndGuaranteedInvestmentProgramMember" abstract="true" name="CommonCollectiveTrustsAndGuaranteedInvestmentProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_DeferredCompensationPlanAssetsFairValueDisclosure" abstract="false" name="DeferredCompensationPlanAssetsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hrs_DeferredCompensationLiabilityFairValueDisclosure" abstract="false" name="DeferredCompensationLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hrs_OperatingPeriodicBenefitIncomeAbstract" abstract="true" name="OperatingPeriodicBenefitIncomeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hrs_NonOperatingPeriodicBenefitIncomeAbstract" abstract="true" name="NonOperatingPeriodicBenefitIncomeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hrs_RestrictedStockAndRestrictedStockUnitMember" abstract="true" name="RestrictedStockAndRestrictedStockUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_PerformanceStockUnitsMember" abstract="true" name="PerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsGrantedAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsGrantedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hrs_WeightedAverageGrantDateFairValuePerShareAbstract" abstract="true" name="WeightedAverageGrantDateFairValuePerShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hrs_L3HarrisShareholderapprovedEmployeeStockIncentivePlansMember" abstract="true" name="L3HarrisShareholderapprovedEmployeeStockIncentivePlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_ForeignCurrencyTranslationAndOtherMember" abstract="true" name="ForeignCurrencyTranslationAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_OperatingIncomeLossNetOfTax" abstract="false" name="OperatingIncomeLossNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hrs_OperatingIncomeLossPerDilutedShare" abstract="false" name="OperatingIncomeLossPerDilutedShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="hrs_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionDurationAxis" abstract="true" name="RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionDurationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="hrs_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionDurationDomain" abstract="true" name="RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionDurationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_RevenueRemainingPerformanceObligationFirstYearMember" abstract="true" name="RevenueRemainingPerformanceObligationFirstYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_RevenueRemainingPerformanceObligationFirstAndSecondYearsMember" abstract="true" name="RevenueRemainingPerformanceObligationFirstAndSecondYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_SpacePropulsionAndPowerSystemsAndSpaceAvionicsAndCommunicationsBusinessesMember" abstract="true" name="SpacePropulsionAndPowerSystemsAndSpaceAvionicsAndCommunicationsBusinessesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_SpaceTechnologyDisposalGroupMember" abstract="true" name="SpaceTechnologyDisposalGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_CASDisposalGroupMember" abstract="true" name="CASDisposalGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_DisposalGroupIncludingDiscontinuedOperationInterestAcquiredByCounterparty" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationInterestAcquiredByCounterparty" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hrs_DisposalGroupIncludingDiscontinuedOperationContractAssetsCurrent" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContractAssetsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hrs_DisposalGroupIncludingDiscontinuedOperationValuationAllowance" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationValuationAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hrs_DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hrs_NumberOfSegmentCapabilityAreas" abstract="false" name="NumberOfSegmentCapabilityAreas" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="hrs_CorporateReconcilingItemsAndEliminationsMember" abstract="true" name="CorporateReconcilingItemsAndEliminationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_OtherNonReportableBusinessesMember" abstract="true" name="OtherNonReportableBusinessesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_CostTypeMember" abstract="true" name="CostTypeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_VariousEnvironmentalMattersMember" abstract="true" name="VariousEnvironmentalMattersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hrs_RecoverableEnvironmentalRemediationCosts" abstract="false" name="RecoverableEnvironmentalRemediationCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
