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  <xsd:element id="ktos_IncomeTaxReconciliationChangesToIndefiniteLifeItemsAndSeparateStateDeferredTaxes" name="IncomeTaxReconciliationChangesToIndefiniteLifeItemsAndSeparateStateDeferredTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_IntegrationProjectExpense" name="IntegrationProjectExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_InterestExpenseIncomeNet" name="InterestExpenseIncomeNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_KratosGovernmentSolutionsMember" name="KratosGovernmentSolutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_KratosUnmannedSystemsMember" name="KratosUnmannedSystemsMember" 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_LineofCreditFacilityCovenantComplianceRequiredAmountofLoanRepurchased" name="LineofCreditFacilityCovenantComplianceRequiredAmountofLoanRepurchased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ktos_LineofCreditFacilityCovenantTermsCapacityofOutstandingBorrowing" name="LineofCreditFacilityCovenantTermsCapacityofOutstandingBorrowing" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ktos_LineofCreditFacilityCovenantTermsMinimumPercentageofBorrowingBaseorTotalCommitmentAmount" name="LineofCreditFacilityCovenantTermsMinimumPercentageofBorrowingBaseorTotalCommitmentAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="ktos_LineofCreditFacilityCovenantTermsPercentageofReinvestmentReserveoverOutstandingBorrowingsinExcessofCapacityofOutstandingBorrowing" name="LineofCreditFacilityCovenantTermsPercentageofReinvestmentReserveoverOutstandingBorrowingsinExcessofCapacityofOutstandingBorrowing" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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_LostContractOpportunitiesPeriod" name="LostContractOpportunitiesPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_NumberOfLostContractOpportunities" name="NumberOfLostContractOpportunities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_OperatingIncomeLossRelatedtoRetrofits" name="OperatingIncomeLossRelatedtoRetrofits" 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_OtherLiabilitiesNotSeparatelyDisclosedCurrent" name="OtherLiabilitiesNotSeparatelyDisclosedCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ktos_OtherLiabilitiesNotSeparatelyDisclosedNoncurrent" name="OtherLiabilitiesNotSeparatelyDisclosedNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" 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 id="ktos_ProceedsFromPaymentsForOtherFinancingActivitiesNotSeparatelyDisclosed" name="ProceedsFromPaymentsForOtherFinancingActivitiesNotSeparatelyDisclosed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_ProceedsFromRepaymentsOfLongTermLinesOfCredit" name="ProceedsFromRepaymentsOfLongTermLinesOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_PublicSafetyAndSecurityMember" name="PublicSafetyAndSecurityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_RestrictedCashAndCashEquivalentsAtCarryingValuePrepaidExpenseAndOtherAssetsCurrent" name="RestrictedCashAndCashEquivalentsAtCarryingValuePrepaidExpenseAndOtherAssetsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="ktos_RevenueRecognitionNumberOfFixedPriceContractTypes" name="RevenueRecognitionNumberOfFixedPriceContractTypes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_RevenueRecognitionNumberOfRevenueContractTypes" name="RevenueRecognitionNumberOfRevenueContractTypes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_RevolvingLoanSwinglineLoanandLineofCreditMember" name="RevolvingLoanSwinglineLoanandLineofCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_SaleofStockConsiderationReceivedonTransactionGross" name="SaleofStockConsiderationReceivedonTransactionGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_ScenarioFiveMember" name="ScenarioFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_ScenarioFourMember" name="ScenarioFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_ScenarioOneMember" name="ScenarioOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_ScenarioThreeMember" name="ScenarioThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_ScenarioTwoMember" name="ScenarioTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ScheduleOfCondensedStatementOfOperationsAndComprehensiveIncomeTableTextBlock" name="ScheduleOfCondensedStatementOfOperationsAndComprehensiveIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ScheduleOfFutureMinimumLeasePaymentsCapitalAndOperatingLeasesTableTextBlock" name="ScheduleOfFutureMinimumLeasePaymentsCapitalAndOperatingLeasesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ScheduleOfInterestExpenseNetTableTextBlock" name="ScheduleOfInterestExpenseNetTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ScheduleOfUnusedFacilitiesAccrualRollForwardTableTextBlock" name="ScheduleOfUnusedFacilitiesAccrualRollForwardTableTextBlock" 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" />
  <xsd:element abstract="true" id="ktos_SevenPercentSeniorNotesDue2019Member" name="SevenPercentSeniorNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitureRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitureRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndOtherThanOptionsOutstandingNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndOtherThanOptionsOutstandingNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="ktos_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAndExercisesInPeriodTotalIntrinsicValueTableTextBlock" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAndExercisesInPeriodTotalIntrinsicValueTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardMinimumAnnualEmployment" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardMinimumAnnualEmployment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardMinimumWeeklyEmployment" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardMinimumWeeklyEmployment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodButNotReleasedWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodButNotReleasedWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedButNotReleased" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedButNotReleased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <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 abstract="true" id="ktos_SixPointFivePercentSeniorSecuredNotesDue2025Member" name="SixPointFivePercentSeniorSecuredNotesDue2025Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_StockOptionsAndRestrictedStockUnitsMember" name="StockOptionsAndRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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" />
  <xsd:element id="ktos_TaxCutsAndJobsActIncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" name="TaxCutsAndJobsActIncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ktos_TaxCutsAndJobsActIncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit" name="TaxCutsAndJobsActIncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_TenPercentSeniorNotesDueJune2017Member" name="TenPercentSeniorNotesDueJune2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_ThresholdPeriodForChangeInAllowedAnnualAmountOfOperatingLossCarryforwardToBeRecognized" name="ThresholdPeriodForChangeInAllowedAnnualAmountOfOperatingLossCarryforwardToBeRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_TwoThousandFourteenCreditAgreementFourthAmendmentMember" name="TwoThousandFourteenCreditAgreementFourthAmendmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_TwoThousandFourteenCreditAgreementThirdAmendmentMember" name="TwoThousandFourteenCreditAgreementThirdAmendmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_TwoThousandFourteenPlanMember" name="TwoThousandFourteenPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_US.GovernmentCostClaimsMember" name="US.GovernmentCostClaimsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_USGovernmentMember" name="USGovernmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ktos_UnrecognizedTaxBenefitsDecreaseResultingfromDisposition" name="UnrecognizedTaxBenefitsDecreaseResultingfromDisposition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <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_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRateDeferredTaxAssets" name="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRateDeferredTaxAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ktos_UnusedOfficeSpaceAccrualAdjustment" name="UnusedOfficeSpaceAccrualAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ktos_VehiclesFurnitureAndOfficeEquipmentMember" name="VehiclesFurnitureAndOfficeEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
