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  <xs:element id="rklb_AssetAcquisitionOtherAssetsNoncurrent" abstract="false" name="AssetAcquisitionOtherAssetsNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_AssetAcquisitionOtherLiabilitiesCurrent" abstract="false" name="AssetAcquisitionOtherLiabilitiesCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_AssetAcquisitionOperatingLeaseLiabilitiesNoncurrent" abstract="false" name="AssetAcquisitionOperatingLeaseLiabilitiesNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_AssetAcquisitionOtherLiabilitiesNoncurrent" abstract="false" name="AssetAcquisitionOtherLiabilitiesNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet" abstract="false" name="AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_CashAndCashEquivalentsAndMarketableSecurities" abstract="false" name="CashAndCashEquivalentsAndMarketableSecurities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_YankeeBondsMember" abstract="true" name="YankeeBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughTwo" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateYearOneThroughTwo" abstract="false" name="DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateYearOneThroughTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_CashAndCashEquivalentAtFairValueDisclosureAbstract" abstract="true" name="CashAndCashEquivalentAtFairValueDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_OtherNonCurrentLiabilitiesAtFairValueDisclosureAbstract" abstract="true" name="OtherNonCurrentLiabilitiesAtFairValueDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityFairValueAdjustment" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityFairValueAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_ConvertibleSeniorNoteMember" abstract="true" name="ConvertibleSeniorNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_NumberOfAssetsHeldForSale" abstract="false" name="NumberOfAssetsHeldForSale" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rklb_ProceedsFromSaleOfPropertyPlantAndEquipmentGross" abstract="false" name="ProceedsFromSaleOfPropertyPlantAndEquipmentGross" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_ConstructionInProcessMember" abstract="true" name="ConstructionInProcessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_DevelopedTechnologyMember" abstract="true" name="DevelopedTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_CapitalizedSoftwareMember" abstract="true" name="CapitalizedSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_InProcessTechnologyMember" abstract="true" name="InProcessTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_IndentureAndNotesMember" abstract="true" name="IndentureAndNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_CappedCallTransactionsMember" abstract="true" name="CappedCallTransactionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_EffectiveDateDrawMember" abstract="true" name="EffectiveDateDrawMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_BlanketLienDrawMember" abstract="true" name="BlanketLienDrawMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_TrinityMasterEquipmentFinancingAgreementMember" abstract="true" name="TrinityMasterEquipmentFinancingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_FourPointTwoFiveZeroPercentConvertibleSeniorNotesMember" abstract="true" name="FourPointTwoFiveZeroPercentConvertibleSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_HerculesCapitalSecuredTermLoanMember" abstract="true" name="HerculesCapitalSecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_DebtInstrumentConvertibleTermsOfConversionAxis" abstract="true" name="DebtInstrumentConvertibleTermsOfConversionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rklb_DebtInstrumentConvertibleTermsOfConversionDomain" abstract="true" name="DebtInstrumentConvertibleTermsOfConversionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_DebtConversionTermsOneMember" abstract="true" name="DebtConversionTermsOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_DebtConversionTermsTwoMember" abstract="true" name="DebtConversionTermsTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_LineOfCreditConditionAxis" abstract="true" name="LineOfCreditConditionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="rklb_LineOfCreditConditionDomain" abstract="true" name="LineOfCreditConditionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="rklb_LineOfCreditCondition2Member" abstract="true" name="LineOfCreditCondition2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_SharesIssuedAndOutstandingLineItems" abstract="true" name="SharesIssuedAndOutstandingLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_ConversionPricePercent" abstract="false" name="ConversionPricePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="rklb_DebtInstrumentConvertibleThresholdConsecutiveBusinessDays" abstract="false" name="DebtInstrumentConvertibleThresholdConsecutiveBusinessDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rklb_MeasurementPeriodLessThan" abstract="false" name="MeasurementPeriodLessThan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="rklb_DebtConversionConversionInstrumentRate" abstract="false" name="DebtConversionConversionInstrumentRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rklb_InitialCapPrice" abstract="false" name="InitialCapPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rklb_OptionIndexedToIssuersEquityPremium" abstract="false" name="OptionIndexedToIssuersEquityPremium" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rklb_TermLoanAdvancesAggregateAmount" abstract="false" name="TermLoanAdvancesAggregateAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_LineOfCreditFacilityMaximumBorrowingLimit" abstract="false" name="LineOfCreditFacilityMaximumBorrowingLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_LineOfCreditFacilityNumberOfAdvances" abstract="false" name="LineOfCreditFacilityNumberOfAdvances" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rklb_LineOfCreditFacilityMaximumBorrowingEachDrawLimit" abstract="false" name="LineOfCreditFacilityMaximumBorrowingEachDrawLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_LineOfCreditFacilityAfterTheEffectivePeriod" abstract="false" name="LineOfCreditFacilityAfterTheEffectivePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rklb_LoanAgreementMonthlyPaymentRate" abstract="false" name="LoanAgreementMonthlyPaymentRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="rklb_LineOfCreditFacilityFrontEndFeeAmount" abstract="false" name="LineOfCreditFacilityFrontEndFeeAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_AtTheMarketOfferingMember" abstract="true" name="AtTheMarketOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_MarchATMEquityOfferingMember" abstract="true" name="MarchATMEquityOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_SeptemberATMEquityOfferingMember" abstract="true" name="SeptemberATMEquityOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_PublicWarrantsMember" abstract="true" name="PublicWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_PublicWarrantsAndPrivateWarrantsMember" abstract="true" name="PublicWarrantsAndPrivateWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_SeriesAConvertibleParticipatingPreferredStockMember" abstract="true" name="SeriesAConvertibleParticipatingPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_TheEquatorialTrustMember" abstract="true" name="TheEquatorialTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_BeneficialOwnershipPercentageMinimum" abstract="false" name="BeneficialOwnershipPercentageMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="rklb_MaximumNumberOfBoardMembersBeforeTriggeringEvent" abstract="false" name="MaximumNumberOfBoardMembersBeforeTriggeringEvent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rklb_BeneficialOwnershipRightToElectPercentage" abstract="false" name="BeneficialOwnershipRightToElectPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="rklb_ClassOfWarrantOrRightExercised" abstract="false" name="ClassOfWarrantOrRightExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rklb_StrikePriceMember" abstract="true" name="StrikePriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_WarrantsAndRightsOutstandingDividendRate" abstract="false" name="WarrantsAndRightsOutstandingDividendRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rklb_A2013And2021PlansMember" abstract="true" name="A2013And2021PlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_A2021PlanMember" abstract="true" name="A2021PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_A2021EmployeeStockPurchasePlanMember" abstract="true" name="A2021EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAllowableUnderThePlan" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAllowableUnderThePlan" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardConsecutiveOfferingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardConsecutiveOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementBySharebasedPaymentAwardPurchasePeriod" abstract="false" name="ShareBasedCompensationArrangementBySharebasedPaymentAwardPurchasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageExercisedDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageExercisedDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodWeightedAverageForfeitedDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodWeightedAverageForfeitedDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageExpiredDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageExpiredDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageRemainingLifeYearsRollForward" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageRemainingLifeYearsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExerciseInPeriodWeightedAverageRemainingContractualTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExerciseInPeriodWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="rklb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="rklb_LeaseRemainingLeaseTerm" abstract="false" name="LeaseRemainingLeaseTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="rklb_LeaseLiabilitiesCurrent" abstract="false" name="LeaseLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_LeaseLiabilitiesNoncurrent" abstract="false" name="LeaseLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_LeaseLiability" abstract="false" name="LeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_AmortizationOfFavorableLease" abstract="false" name="AmortizationOfFavorableLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_OperatingLeaseNetOfAmortization" abstract="false" name="OperatingLeaseNetOfAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_FinanceLeaseCostNet" abstract="false" name="FinanceLeaseCostNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_OperatingCashFlowsFromFinanceLeases" abstract="false" name="OperatingCashFlowsFromFinanceLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_FinanceCashFlowsFromFinanceLeases" abstract="false" name="FinanceCashFlowsFromFinanceLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" abstract="true" name="RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_CommitmentsAndContingenciesTable" abstract="true" name="CommitmentsAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="rklb_CommitmentsAndContingenciesLineItems" abstract="true" name="CommitmentsAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_NumberOfDedicatedLaunches" abstract="false" name="NumberOfDedicatedLaunches" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rklb_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rklb_DeferredTaxAssetsLeaseLiability" abstract="false" name="DeferredTaxAssetsLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_DeferredTaxAssetsReserves" abstract="false" name="DeferredTaxAssetsReserves" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_DeferredTaxAssetsCapitalizedResearchAndDevelopment" abstract="false" name="DeferredTaxAssetsCapitalizedResearchAndDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_DeferredTaxLiabilitiesRightOfUseAsset" abstract="false" name="DeferredTaxLiabilitiesRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_OperatingLossCarryforwardsWithExpirationTerm" abstract="false" name="OperatingLossCarryforwardsWithExpirationTerm" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_OperatingLossCarryforwardsWithoutExpirationTerm" abstract="false" name="OperatingLossCarryforwardsWithoutExpirationTerm" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rklb_OperatingLossCarryforwardsTaxableIncomeMaximum" abstract="false" name="OperatingLossCarryforwardsTaxableIncomeMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rklb_StockOptionsAndRestrictedStockUnitsMember" abstract="true" name="StockOptionsAndRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_CommonStockWarrantsMember" abstract="true" name="CommonStockWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_SharesUnderlyingOurConvertibleSeniorNotesMember" abstract="true" name="SharesUnderlyingOurConvertibleSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_SalesInformationLineItems" abstract="true" name="SalesInformationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rklb_LockheedMartinCorporationMember" abstract="true" name="LockheedMartinCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_DyneticsInc.Member" abstract="true" name="DyneticsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_CommercialCustomerMember" abstract="true" name="CommercialCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_GovernmentCustomerMember" abstract="true" name="GovernmentCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_MdaCorporationMember" abstract="true" name="MdaCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_NorthropGrummanSpaceSystemsMember" abstract="true" name="NorthropGrummanSpaceSystemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_RestOfWorldMember" abstract="true" name="RestOfWorldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rklb_SirPeterBeckMember" abstract="true" name="SirPeterBeckMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
