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  <element id="caci_AcquiredTechnologiesMember" name="AcquiredTechnologiesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_CustomerContractsAndRelatedCustomerRelationshipsMember" name="CustomerContractsAndRelatedCustomerRelationshipsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_DefenseContractManagementAgencyMember" name="DefenseContractManagementAgencyMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_InternationalOperationsMember" name="InternationalOperationsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_FairValueByBalanceSheetGroupingLongTermAssetNoncurrentMember" name="FairValueByBalanceSheetGroupingLongTermAssetNoncurrentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_FairValueByBalanceSheetGroupingCurrentLiabilityCurrentMember" name="FairValueByBalanceSheetGroupingCurrentLiabilityCurrentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_DebtIssuanceCostsAttributableToConversionOption" name="DebtIssuanceCostsAttributableToConversionOption" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_DebtInstrumentTermPeriod" name="DebtInstrumentTermPeriod" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" name="NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_AcquiredTechnologiesGross" name="AcquiredTechnologiesGross" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="caci_SummarizedFinancialInformationOfReportableSegmentTableTextBlock" name="SummarizedFinancialInformationOfReportableSegmentTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_TermLoanMember" name="TermLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_RestrictedStockAndRestrictedStockUnitsMember" name="RestrictedStockAndRestrictedStockUnitsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_StockSettledStockAppreciationRightsAndStockOptionsMember" name="StockSettledStockAppreciationRightsAndStockOptionsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_NonCashInterestExpenseMember" name="NonCashInterestExpenseMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_ProceedsFromSaleOfWarrant" name="ProceedsFromSaleOfWarrant" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_BankCreditFacilityMember" name="BankCreditFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_NonCompanyOwnedLifeInsuranceAssetsFairValueDisclosure" name="NonCompanyOwnedLifeInsuranceAssetsFairValueDisclosure" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="caci_DebtIssuanceCostCapitalized" name="DebtIssuanceCostCapitalized" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="caci_ScheduleOfDebtDiscountRemainingAmortizationExpensesTableTextBlock" name="ScheduleOfDebtDiscountRemainingAmortizationExpensesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_DebtDiscountFutureAmortizationExpensesYearOne" name="DebtDiscountFutureAmortizationExpensesYearOne" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_DebtDiscountFutureAmortizationExpensesYearTwo" name="DebtDiscountFutureAmortizationExpensesYearTwo" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_DebtDiscountFutureAmortizationExpensesYearThree" name="DebtDiscountFutureAmortizationExpensesYearThree" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_DebtDiscountFutureAmortizationExpensesTotal" name="DebtDiscountFutureAmortizationExpensesTotal" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_PerformanceBasedRestrictedStockUnitsMember" name="PerformanceBasedRestrictedStockUnitsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_SameDaySwingLineLoanMember" name="SameDaySwingLineLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_LongTermDebtPrincipalPaymentTermAxis" name="LongTermDebtPrincipalPaymentTermAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <element id="caci_LongTermDebtPrincipalPaymentTermDomain" name="LongTermDebtPrincipalPaymentTermDomain" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_DebtIssuanceCostAmortizationPeriod" name="DebtIssuanceCostAmortizationPeriod" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_IncomeTaxBenefitAssociatedWithDiscountOnIssueOfNotes" name="IncomeTaxBenefitAssociatedWithDiscountOnIssueOfNotes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="caci_PangiaMember" name="PangiaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_ParadigmMember" name="ParadigmMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsVestingPercentageBasedUponLengthOfService" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsVestingPercentageBasedUponLengthOfService" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_PercentageOfOwnershipHeldBeforeConsolidation" name="PercentageOfOwnershipHeldBeforeConsolidation" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrants" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrants" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_EquityMethodInvestmentUndistributedEarnings" name="EquityMethodInvestmentUndistributedEarnings" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_AcceleratedShareRepurchaseDate" name="AcceleratedShareRepurchaseDate" nillable="true" type="invest:dateStringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_BankOfAmericaNMember" name="BankOfAmericaNMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_CounteryPartyAxis" name="CounteryPartyAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <element id="caci_CounteryPartyDomain" name="CounteryPartyDomain" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_ApgMember" name="ApgMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_WeightedAverageAmortizationPeriod" name="WeightedAverageAmortizationPeriod" nillable="true" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_WeightedAverageRemainingAmortizationPeriod" name="WeightedAverageRemainingAmortizationPeriod" nillable="true" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_PrincipalPaymentThroughSeptember302015Member" name="PrincipalPaymentThroughSeptember302015Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_PrincipalPaymentFromOctober12015ThroughSeptember302016Member" name="PrincipalPaymentFromOctober12015ThroughSeptember302016Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_JvBankCreditFacilityMember" name="JvBankCreditFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_EarningsPerShareTable" name="EarningsPerShareTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <element id="caci_EarningsPerShareLineItems" name="EarningsPerShareLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="caci_BusinessAcquisitionContingentConsiderationPaymentsAtFairValue" name="BusinessAcquisitionContingentConsiderationPaymentsAtFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="caci_NumberOfAcquisitionsToWhichContingentConsiderationMethodOfPaymentsApply" name="NumberOfAcquisitionsToWhichContingentConsiderationMethodOfPaymentsApply" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_TwoThousandSixPlanAndPredecessorPlanMember" name="TwoThousandSixPlanAndPredecessorPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_PreviousCreditFacilityMember" name="PreviousCreditFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_TomorrowCommunicationLtdMember" name="TomorrowCommunicationLtdMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_LongTermLiabilityMember" name="LongTermLiabilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_ContingentConsiderationPaymentPeriod" name="ContingentConsiderationPaymentPeriod" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_ThreeAcquisitionsMember" name="ThreeAcquisitionsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_RevolvingCreditFacilityMember" name="RevolvingCreditFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="caci_PaymentOfContingentConsideration" name="PaymentOfContingentConsideration" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
</schema>
