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  <xsd:element abstract="true" id="ktos_ContractsAndBacklogMember" name="ContractsAndBacklogMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="ktos_DebtInstrumentEscrowInterestAccrued" name="DebtInstrumentEscrowInterestAccrued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ktos_DebtInstrumentFixedChargeCoverageRatio" name="DebtInstrumentFixedChargeCoverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="ktos_DebtInstrumentMaturityPeriod" name="DebtInstrumentMaturityPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_DebtInstrumentPortionOfAggregatePrincipalAmountAvailableForRedemption" name="DebtInstrumentPortionOfAggregatePrincipalAmountAvailableForRedemption" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_DebtInstrumentRedemptionAmountAsPercentageOfAggregatePrincipalAmount" name="DebtInstrumentRedemptionAmountAsPercentageOfAggregatePrincipalAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_DebtInstrumentRedemptionPriceAsPercentageOfAggregatePrincipalAmount" name="DebtInstrumentRedemptionPriceAsPercentageOfAggregatePrincipalAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_DivestitureOfBusinessesNumberOfBuyers" name="DivestitureOfBusinessesNumberOfBuyers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="ktos_DivestitureOfOperationsAggregateConsiderationReceived" name="DivestitureOfOperationsAggregateConsiderationReceived" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ktos_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_EquityInNetIncomeLossOfSubsidiaries" name="EquityInNetIncomeLossOfSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_FavorableOperatingLeaseMember" name="FavorableOperatingLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_FiscalYearDuration" name="FiscalYearDuration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_FiscalYearToDateDuration" name="FiscalYearToDateDuration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ImpairmentChargesAndAdjustmentsToUnusedOfficeSpaceLiability" name="ImpairmentChargesAndAdjustmentsToUnusedOfficeSpaceLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_IncomeTaxReconciliationStateIncomeTaxesAndForeignIncomeTaxRateDifferential" name="IncomeTaxReconciliationStateIncomeTaxesAndForeignIncomeTaxRateDifferential" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_IntangibleAssetsExcludingGoodwillGross" name="IntangibleAssetsExcludingGoodwillGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ktos_KratosGovernmentSolutionsMember" name="KratosGovernmentSolutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_LineOfCreditFacilityMaximumPossibleBorrowingsSubjectToApplicationAndBankApproval" name="LineOfCreditFacilityMaximumPossibleBorrowingsSubjectToApplicationAndBankApproval" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ktos_LongTermDebtAndUnamortizedPremiumNoncurrent" name="LongTermDebtAndUnamortizedPremiumNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ktos_LossOnExtinguishmentOfDebtOperatingActivities" name="LossOnExtinguishmentOfDebtOperatingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_OperatingLossCarryforwardsFederalAnnualUtilizationLimitAfterYearFive" name="OperatingLossCarryforwardsFederalAnnualUtilizationLimitAfterYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="ktos_OperatingLossCarryforwardsFederalAnnualUtilizationLimitFiveYearsSucceedingInitialOwnershipChange" name="OperatingLossCarryforwardsFederalAnnualUtilizationLimitFiveYearsSucceedingInitialOwnershipChange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="ktos_PaymentsForProceedsFromInvestmentInAffiliatedCompanies" name="PaymentsForProceedsFromInvestmentInAffiliatedCompanies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_ProductWarrantiesMember" name="ProductWarrantiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ProductWarrantyAccrualPaymentsRevenueRecognizedAndOther" name="ProductWarrantyAccrualPaymentsRevenueRecognizedAndOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_ProductWarrantyAccrualWarrantyTerm" name="ProductWarrantyAccrualWarrantyTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_PublicSafetyAndSecurityMember" name="PublicSafetyAndSecurityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="ktos_ScheduleOfCondensedStatementOfOperationsAndComprehensiveIncomeTableTextBlock" name="ScheduleOfCondensedStatementOfOperationsAndComprehensiveIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_SellingGeneralAndAdministrativeExpenseBusinessAcquisitionRelatedCostsAndOtherImpairmentCharges" name="SellingGeneralAndAdministrativeExpenseBusinessAcquisitionRelatedCostsAndOtherImpairmentCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="ktos_SignificantAccountingPoliciesDisclosureLineItems" name="SignificantAccountingPoliciesDisclosureLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_SignificantAccountingPoliciesDisclosureTable" name="SignificantAccountingPoliciesDisclosureTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_SignificantCustomersDisclosureTextBlock" name="SignificantCustomersDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlanStockOptionsAndRestrictedStockUnits" name="StockIssuedDuringPeriodSharesEmployeeStockPurchasePlanStockOptionsAndRestrictedStockUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_StockOptionsAndStockAwardsMember" name="StockOptionsAndStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_SwingLineLoanMember" name="SwingLineLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="ktos_ThresholdPeriodForChangeInAllowedAnnualAmountOfOperatingLossCarryforwardToBeRecognized" name="ThresholdPeriodForChangeInAllowedAnnualAmountOfOperatingLossCarryforwardToBeRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
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  <xsd:element id="ktos_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestBenefitReversalsOfPriorPositions" name="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestBenefitReversalsOfPriorPositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ktos_UnusedOfficeSpaceAccrualAdjustment" name="UnusedOfficeSpaceAccrualAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
</xsd:schema>
