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  <xs:element name="FairValueOfWarrantsExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueOfWarrantsExercised"/>
  <xs:element name="FairValueOfTheDerivativeLiabilityExtinguishedFromConversionOfConvertibleNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueOfTheDerivativeLiabilityExtinguishedFromConversionOfConvertibleNote"/>
  <xs:element name="PurchaseOfSubsidiariesAgainstIssuanceOfCommonStockAndWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_PurchaseOfSubsidiariesAgainstIssuanceOfCommonStockAndWarrants"/>
  <xs:element name="FairValueOfCommonStockIssuedInConnectionWithConversionOfConvertibleNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueOfCommonStockIssuedInConnectionWithConversionOfConvertibleNote"/>
  <xs:element name="ExerciseOfWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_ExerciseOfWarrants"/>
  <xs:element name="InitialRecognitionOfOperatingLeaseLiabilityAndACorrespondingRightofUseAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_InitialRecognitionOfOperatingLeaseLiabilityAndACorrespondingRightofUseAsset"/>
  <xs:element name="FirstConsolidationOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FirstConsolidationOfSubsidiary"/>
  <xs:element name="WorkingCapitalExcludingCashAndCashEquivalents" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_WorkingCapitalExcludingCashAndCashEquivalents"/>
  <xs:element name="NonnCashItemGoodwill" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NonnCashItemGoodwill"/>
  <xs:element name="IntangibleAssetHeldForSale" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_IntangibleAssetHeldForSale"/>
  <xs:element name="NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed"/>
  <xs:element name="OtherComprehensiveIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_OtherComprehensiveIncome"/>
  <xs:element name="NoncashOrPartNoncashAcquisitionNonControllingInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NoncashOrPartNoncashAcquisitionNonControllingInterest"/>
  <xs:element name="NoncashOrPartNoncashAcquisitionIssuanceOfCommonStockAndWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NoncashOrPartNoncashAcquisitionIssuanceOfCommonStockAndWarrants"/>
  <xs:element name="NetCashProvidedByFromThePurchaseOfSubsidiaryConsolidatedForTheFirstTime" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NetCashProvidedByFromThePurchaseOfSubsidiaryConsolidatedForTheFirstTime"/>
  <xs:element name="SubsidiariesDeconsolidationWorkingCapitalexcludingCashAndCashEquivalents" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationWorkingCapitalexcludingCashAndCashEquivalents"/>
  <xs:element name="SubsidiariesDeconsolidationInvestmentInInvestee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationInvestmentInInvestee"/>
  <xs:element name="SubsidiariesDeconsolidationTangibleAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationTangibleAssets"/>
  <xs:element name="SubsidiariesDeconsolidationLoanFromTheCompany" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationLoanFromTheCompany"/>
  <xs:element name="SubsidiariesDeconsolidationNoncontrollingInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationNoncontrollingInterest"/>
  <xs:element name="NetCashProvidedByTheDeconsolidationOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NetCashProvidedByTheDeconsolidationOfSubsidiary"/>
  <xs:element name="AcquisitionOfNimbusTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionOfNimbusTextBlock"/>
  <xs:element name="AcquisitionOfITSTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionOfITSTextBlock"/>
  <xs:element name="DeconsolidationOfWaterIoLtdTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_DeconsolidationOfWaterIoLtdTextBlock"/>
  <xs:element name="EventsDuringTheReportingPeriodTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_EventsDuringTheReportingPeriodTextBlock"/>
  <xs:element name="LitigationTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_LitigationTextBlock"/>
  <xs:element name="InventoriesPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_InventoriesPolicyTextBlock"/>
  <xs:element name="SeverancePayPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_SeverancePayPolicyTextBlock"/>
  <xs:element name="ScheduleOfWarrantsAndRightsOutstandingValuationAssumptionsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfWarrantsAndRightsOutstandingValuationAssumptionsTableTextBlock"/>
  <xs:element name="ScheduleOfAllocationOfThePurchasePriceTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfAllocationOfThePurchasePriceTableTextBlock"/>
  <xs:element name="ScheduleOfAllocationOfPurchasePriceTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfAllocationOfPurchasePriceTableTextBlock"/>
  <xs:element name="RemeasurementOfCarryingValueToRedemptionValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_RemeasurementOfCarryingValueToRedemptionValue"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesandBasisofPresentationScheduleofFairValueonaRecurringBasisbyLevelwithintheFairValueHierarchyDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_SummaryofSignificantAccountingPoliciesandBasisofPresentationScheduleofFairValueonaRecurringBasisbyLevelwithintheFairValueHierarchyDetailsTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesandBasisofPresentationScheduleofFairValueonaRecurringBasisbyLevelwithintheFairValueHierarchyDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_SummaryofSignificantAccountingPoliciesandBasisofPresentationScheduleofFairValueonaRecurringBasisbyLevelwithintheFairValueHierarchyDetailsLineItems"/>
  <xs:element name="LiabilitiesAssumedInPartOfSubsidiaryConsolidatedForTheFirstTime" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_LiabilitiesAssumedInPartOfSubsidiaryConsolidatedForTheFirstTime"/>
  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisExercised"/>
  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisChangeinFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisChangeinFairValue"/>
  <xs:element name="AcquisitionofStar26ScheduleofFairValueofCommonWarrantDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofStar26ScheduleofFairValueofCommonWarrantDetailsTable"/>
  <xs:element name="AcquisitionofStar26ScheduleofFairValueofCommonWarrantDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofStar26ScheduleofFairValueofCommonWarrantDetailsLineItems"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableWorkingCapitalexcludingCashAndCashEquivalents" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationRecognizedIdentifiableWorkingCapitalexcludingCashAndCashEquivalents"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableIntangibleAssetsOfAvailableForSaleNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationRecognizedIdentifiableIntangibleAssetsOfAvailableForSaleNet"/>
  <xs:element name="BusinessCombinationAcquisitionNoncontrollingInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationAcquisitionNoncontrollingInterest"/>
  <xs:element name="AcquisitionofStar26ScheduleofAllocationofthePurchasePriceDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofStar26ScheduleofAllocationofthePurchasePriceDetailsTable"/>
  <xs:element name="AcquisitionofStar26ScheduleofAllocationofthePurchasePriceDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofStar26ScheduleofAllocationofthePurchasePriceDetailsLineItems"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOfAvailableForSale" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOfAvailableForSale"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesOfAvailableForSale" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesOfAvailableForSale"/>
  <xs:element name="AcquisitionofStar26ScheduleofAllocationofthePurchasePriceParentheticalsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofStar26ScheduleofAllocationofthePurchasePriceParentheticalsDetailsTable"/>
  <xs:element name="AcquisitionofStar26ScheduleofAllocationofthePurchasePriceParentheticalsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofStar26ScheduleofAllocationofthePurchasePriceParentheticalsDetailsLineItems"/>
  <xs:element name="AcquisitionofNimbusScheduleofAllocationofthePurchasePriceDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofNimbusScheduleofAllocationofthePurchasePriceDetailsTable"/>
  <xs:element name="AcquisitionofNimbusScheduleofAllocationofthePurchasePriceDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofNimbusScheduleofAllocationofthePurchasePriceDetailsLineItems"/>
  <xs:element name="AcquisitionofITSScheduleofAllocationofPurchasePriceDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofITSScheduleofAllocationofPurchasePriceDetailsTable"/>
  <xs:element name="AcquisitionofITSScheduleofAllocationofPurchasePriceDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofITSScheduleofAllocationofPurchasePriceDetailsLineItems"/>
  <xs:element name="BusinessCombinationConsiderationNoncontrollingInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationConsiderationNoncontrollingInterest"/>
  <xs:element name="BusinessCombinationConsiderationNetAssetsAcquired" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationConsiderationNetAssetsAcquired"/>
  <xs:element name="SubsidiariesDeconsolidationWorkingCapitalexcludingCashAndCashEquivalent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationWorkingCapitalexcludingCashAndCashEquivalent"/>
  <xs:element name="SubsidiariesDeconsolidationOtherCurrentAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationOtherCurrentAssets"/>
  <xs:element name="SubsidiariesDeconsolidationInvestmentUnderTheFairValueOption" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_SubsidiariesDeconsolidationInvestmentUnderTheFairValueOption"/>
  <xs:element name="NetCashProvidedByDeconsolidationOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NetCashProvidedByDeconsolidationOfSubsidiary"/>
  <xs:element name="StockholdersEquityScheduleofBlackScholesOptionPricingModelDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_StockholdersEquityScheduleofBlackScholesOptionPricingModelDetailsTable"/>
  <xs:element name="StockholdersEquityScheduleofBlackScholesOptionPricingModelDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_StockholdersEquityScheduleofBlackScholesOptionPricingModelDetailsLineItems"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsExpiredWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsExpiredWeightedAverageExercisePrice"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsExerciseWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsExerciseWeightedAverageExercisePrice"/>
  <xs:element name="StockBasedCompensationScheduleofStockOptionsActivityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_StockBasedCompensationScheduleofStockOptionsActivityDetailsTable"/>
  <xs:element name="StockBasedCompensationScheduleofStockOptionsActivityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_StockBasedCompensationScheduleofStockOptionsActivityDetailsLineItems"/>
  <xs:element name="InterestOnRelatedPartiesPromissoryNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_InterestOnRelatedPartiesPromissoryNote"/>
  <xs:element name="DeconsolidationOfWaterIoLTDScheduleofcompositionofinvestmentDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_DeconsolidationOfWaterIoLTDScheduleofcompositionofinvestmentDetailsTable"/>
  <xs:element name="DeconsolidationOfWaterIoLTDScheduleofcompositionofinvestmentDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_DeconsolidationOfWaterIoLTDScheduleofcompositionofinvestmentDetailsLineItems"/>
  <xs:element name="LoanGrantedToEquityMethodInvestee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_LoanGrantedToEquityMethodInvestee"/>
  <xs:element name="GeneralDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_GeneralDetailsTable"/>
  <xs:element name="GeneralDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_GeneralDetailsLineItems"/>
  <xs:element name="NumberOfPurchasedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_NumberOfPurchasedShares"/>
  <xs:element name="PercentageOfIssuedEquityOfStar" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_PercentageOfIssuedEquityOfStar"/>
  <xs:element name="PercentageOfOutstandingEquityOfStar" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_PercentageOfOutstandingEquityOfStar"/>
  <xs:element name="PercentageOfAcquisition" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_PercentageOfAcquisition"/>
  <xs:element name="WorkingCapitalDeficit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_WorkingCapitalDeficit"/>
  <xs:element name="NoteObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_NoteObligation"/>
  <xs:element name="AcquisitionofStar26DetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofStar26DetailsTable"/>
  <xs:element name="AcquisitionofStar26DetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofStar26DetailsLineItems"/>
  <xs:element name="AggregateOfShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_AggregateOfShares"/>
  <xs:element name="FairValueOfSharesIssued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueOfSharesIssued"/>
  <xs:element name="FairValueOfPromissoryNotesIssued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueOfPromissoryNotesIssued"/>
  <xs:element name="AcquisitionofNimbusDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofNimbusDetailsTable"/>
  <xs:element name="AcquisitionofNimbusDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofNimbusDetailsLineItems"/>
  <xs:element name="FixedPrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_FixedPrice"/>
  <xs:element name="BeneficiallyOwnedPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_BeneficiallyOwnedPercentage"/>
  <xs:element name="TotalConsiderationAcquisitionAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_TotalConsiderationAcquisitionAmount"/>
  <xs:element name="ClosingPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ClosingPricePerShare"/>
  <xs:element name="ControllingShareholderDurationDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ControllingShareholderDurationDomainDomain"/>
  <xs:element name="AcquisitionofITSDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_AcquisitionofITSDetailsTable"/>
  <xs:element name="AcquisitionofITSDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_AcquisitionofITSDetailsLineItems"/>
  <xs:element name="PercentageOfBeneficiallyOwnOutstandingShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_PercentageOfBeneficiallyOwnOutstandingShares"/>
  <xs:element name="BusinessAcquisitionOfConversionPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessAcquisitionOfConversionPeriod"/>
  <xs:element name="BusinessCombinationAggregatePurchasePrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_BusinessCombinationAggregatePurchasePrice"/>
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  <xs:element name="DeconsolidationOfWaterIoLTDDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_DeconsolidationOfWaterIoLTDDetailsLineItems"/>
  <xs:element name="FairValueOfWaterIO" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_FairValueOfWaterIO"/>
  <xs:element name="EventsDuringTheReportingPeriodDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_EventsDuringTheReportingPeriodDetailsTable"/>
  <xs:element name="EventsDuringTheReportingPeriodDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_EventsDuringTheReportingPeriodDetailsLineItems"/>
  <xs:element name="PercentageOfConsolidatedRevenue" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_PercentageOfConsolidatedRevenue"/>
  <xs:element name="ExchangePricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ExchangePricePerShare"/>
  <xs:element name="PercentageOfRestrictedStockSharesHoldingInIssuedAndOutstandingShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_PercentageOfRestrictedStockSharesHoldingInIssuedAndOutstandingShares"/>
  <xs:element name="ExchangeOfCommonStockShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_ExchangeOfCommonStockShares"/>
  <xs:element name="MarketValueOfExchangeShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_MarketValueOfExchangeShares"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_StockholdersEquityDetailsTable"/>
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  <xs:element name="PurchaseUnit" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_PurchaseUnit"/>
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  <xs:element name="PurchaseAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_PurchaseAmount"/>
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  <xs:element name="NumberOfUnitsSold" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_NumberOfUnitsSold"/>
  <xs:element name="AggregatePurchaseUnits" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="dfns_AggregatePurchaseUnits"/>
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  <xs:element name="MarketTradingValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="dfns_MarketTradingValue"/>
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  <xs:element name="RegistrationDays" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_RegistrationDays"/>
  <xs:element name="GrossProceedsPercent" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_GrossProceedsPercent"/>
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  <xs:element name="AuthorizedCashBonusServicesAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="dfns_AuthorizedCashBonusServicesAmount"/>
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  <xs:element name="PercentageOfBaseSalary" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_PercentageOfBaseSalary"/>
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  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="dfns_SubsequentEventsDetailsTable"/>
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  <xs:element name="CommitmentSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_CommitmentSharesMember"/>
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  <xs:element name="DerivativeLiabilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_DerivativeLiabilityMember"/>
  <xs:element name="DistributorRelationsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_DistributorRelationsMember"/>
  <xs:element name="DueToRelatedPartiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_DueToRelatedPartiesMember"/>
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  <xs:element name="ITSAcquisitionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ITSAcquisitionMember"/>
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  <xs:element name="ScheduleOfAllocationOfThePurchasePriceAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfAllocationOfThePurchasePriceAbstract"/>
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  <xs:element name="ScheduleOfFairValueOfTheLevel3LiabilitiesWasDeterminedUsingValuationModelsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfFairValueOfTheLevel3LiabilitiesWasDeterminedUsingValuationModelsAbstract"/>
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  <xs:element name="ScheduleOfStockOptionsActivityAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfStockOptionsActivityAbstract"/>
  <xs:element name="ScheduleOfSubjectToPossibleRedemptionAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfSubjectToPossibleRedemptionAbstract"/>
  <xs:element name="ScheduleOfWarrantActivitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dfns_ScheduleOfWarrantActivitiesAbstract"/>
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