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  <xsd:element id="bah_AccruedCompensationAndBenefitsTextBlock" name="AccruedCompensationAndBenefitsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_AccruedInterestOnDeferredPaymentObligation" name="AccruedInterestOnDeferredPaymentObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureStockOptionExercises" name="AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureStockOptionExercises" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_AggregateGrantDateFairValueEipOptions" name="AggregateGrantDateFairValueEipOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_AggregateGrantDateFairValueNewOptions" name="AggregateGrantDateFairValueNewOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_AmendedAndRestatedEquityIncentivePlanMember" name="AmendedAndRestatedEquityIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_AmortizationOfDebtIssuanceCostsAndLossOnExtinguishment" name="AmortizationOfDebtIssuanceCostsAndLossOnExtinguishment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_AmortizationOfRatablePortionsOfDebtIssuanceCostsAndOriginalIssuanceDiscountsNotQualifyingForDeferral" name="AmortizationOfRatablePortionsOfDebtIssuanceCostsAndOriginalIssuanceDiscountsNotQualifyingForDeferral" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_AnnualIncentivePlanMember" name="AnnualIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_BillableExpenses" name="BillableExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_BusinessAcquisitionExpectedRecoveryFromAcquiree" name="BusinessAcquisitionExpectedRecoveryFromAcquiree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_BusinessAcquisitionPreliminaryPurchasePriceAllocation" name="BusinessAcquisitionPreliminaryPurchasePriceAllocation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_BusinessAcquisitionPreliminaryPurchasePricePerAgreement" name="BusinessAcquisitionPreliminaryPurchasePricePerAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_BusinessAcquisitionPreliminaryWorkingCapitalAdjustment" name="BusinessAcquisitionPreliminaryWorkingCapitalAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_BusinessAcquisitionTransitionServicesAgreementExpense" name="BusinessAcquisitionTransitionServicesAgreementExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_CapitalAccumulationPlansCurrentLiabilities" name="CapitalAccumulationPlansCurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_CashPaymentsAbstract" name="CashPaymentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ChangeInAccountingEstimateFinancialEffectAmount" name="ChangeInAccountingEstimateFinancialEffectAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="bah_ChangeInAccountingEstimateFinancialEffectNetOfTaxes" name="ChangeInAccountingEstimateFinancialEffectNetOfTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_CliffVestingYearOneMember" name="CliffVestingYearOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_CliffVestingYearThreeMember" name="CliffVestingYearThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_CliffVestingYearTwoMember" name="CliffVestingYearTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_CommonClassEMember" name="CommonClassEMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_CommonStockVotesPerShare" name="CommonStockVotesPerShare" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ConversionOfStockAggregateGrantDateFairValue" name="ConversionOfStockAggregateGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_ConversionOfStockFairValuePerShare" name="ConversionOfStockFairValuePerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_CostOfServicesDirectLaborEmployeeBenefitsAndOverhead" name="CostOfServicesDirectLaborEmployeeBenefitsAndOverhead" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_CurrentAccountsReceivableBilled" name="CurrentAccountsReceivableBilled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_CurrentAccountsReceivableUnbilled" name="CurrentAccountsReceivableUnbilled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipal" name="DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipal" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearFive" name="DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearFive" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearFour" name="DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearFour" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearSix" name="DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearSix" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearThree" name="DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearThree" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearTwo" name="DebtInstrumentQuarterlyPeriodicPaymentPercentagePrincipalYearTwo" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_DefenseSystemsEngineeringAndSupportDivisionOfArincIncorporatedMember" name="DefenseSystemsEngineeringAndSupportDivisionOfArincIncorporatedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredCompensationArrangementWithIndividualAnnualCashAwardGrantedPerYearOfServiceAmount" name="DeferredCompensationArrangementWithIndividualAnnualCashAwardGrantedPerYearOfServiceAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredCompensationPlanPolicyTextBlock" name="DeferredCompensationPlanPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredCompensationShareBasedArrangementsLiabilityCurrentAndNoncurrentRecordedAndUnrecorded" name="DeferredCompensationShareBasedArrangementsLiabilityCurrentAndNoncurrentRecordedAndUnrecorded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredCompensationShareBasedArrangementsLiabilityCurrentAndNoncurrentUnrecorded" name="DeferredCompensationShareBasedArrangementsLiabilityCurrentAndNoncurrentUnrecorded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredFinanceCostsAdditions" name="DeferredFinanceCostsAdditions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredFinanceCostsAdditionsRecordedAsOtherLongTerm" name="DeferredFinanceCostsAdditionsRecordedAsOtherLongTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_DeferredFinancingCostsAbstract" name="DeferredFinancingCostsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredFinancingCostsAmortizationExpenseNextTwelveMonths" name="DeferredFinancingCostsAmortizationExpenseNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredFinancingCostsAmortizationExpenseThereafter" name="DeferredFinancingCostsAmortizationExpenseThereafter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredFinancingCostsAmortizationExpenseYearFive" name="DeferredFinancingCostsAmortizationExpenseYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredFinancingCostsAmortizationExpenseYearFour" name="DeferredFinancingCostsAmortizationExpenseYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredFinancingCostsAmortizationExpenseYearThree" name="DeferredFinancingCostsAmortizationExpenseYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredFinancingCostsAmortizationExpenseYearTwo" name="DeferredFinancingCostsAmortizationExpenseYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredFinancingCostsByLoanTableTextBlock" name="DeferredFinancingCostsByLoanTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredFinancingCostsTextBlock" name="DeferredFinancingCostsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredPaymentObligation" name="DeferredPaymentObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_DeferredPaymentObligationAbstract" name="DeferredPaymentObligationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredPaymentObligationInterestPayment" name="DeferredPaymentObligationInterestPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredPaymentObligationOriginalAmount" name="DeferredPaymentObligationOriginalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredPaymentObligationPayment" name="DeferredPaymentObligationPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredPaymentObligationPaymentPersuantOfMergerAgreement" name="DeferredPaymentObligationPaymentPersuantOfMergerAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredPaymentObligationTableTextBlock" name="DeferredPaymentObligationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredPaymentObligationTerm" name="DeferredPaymentObligationTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_DeferredTaxAssetsNetOperatingLossCapitalLossCarryforwards" name="DeferredTaxAssetsNetOperatingLossCapitalLossCarryforwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredTaxLiabilitiesAccruedCompensationIrcSection481A" name="DeferredTaxLiabilitiesAccruedCompensationIrcSection481A" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_DeferredTaxLiabilitiesCurrentAccountsReceivableUnbilled" name="DeferredTaxLiabilitiesCurrentAccountsReceivableUnbilled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear" name="DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_DividendExercisePriceOfRecordThresholdPerShareMaximum" name="DividendExercisePriceOfRecordThresholdPerShareMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_DividendOptionExercisePriceReductionPerShare" name="DividendOptionExercisePriceReductionPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_DividendTypeAxis" name="DividendTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_DividendTypeDomain" name="DividendTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ExercisePrice" name="ExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_FormerStockholderLitigationMember" name="FormerStockholderLitigationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_IntangibleAssetsGrossExcludingGoodwill" name="IntangibleAssetsGrossExcludingGoodwill" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_InterestRatePerSixMonthPeriodOnUnpaidDeferredPaymentObligation" name="InterestRatePerSixMonthPeriodOnUnpaidDeferredPaymentObligation" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_LegalProceedingsForEmploymentContractIntellectualPropertyOtherBusinessMattersMember" name="LegalProceedingsForEmploymentContractIntellectualPropertyOtherBusinessMattersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_LiabilitiesOfBusinessTransferredUnderContractualArrangementCurrentAndNoncurrent" name="LiabilitiesOfBusinessTransferredUnderContractualArrangementCurrentAndNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_LiabilityForCostReductionsAndPenaltiesContractsWithUSGovernmentAndGovernmentAgencies" name="LiabilityForCostReductionsAndPenaltiesContractsWithUSGovernmentAndGovernmentAgencies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_LitigationCourtAxis" name="LitigationCourtAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_LitigationCourtTypeDomain" name="LitigationCourtTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_LossContingencyClaimsAmendedNumber" name="LossContingencyClaimsAmendedNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_ManagementAgreementAnnualFee" name="ManagementAgreementAnnualFee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_NewYorkStateCourtMember" name="NewYorkStateCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_NonRetirementEligibleMember" name="NonRetirementEligibleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_NoncurrentAccountsReceivableUnbilled" name="NoncurrentAccountsReceivableUnbilled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_NumberOfFacilityLeasesAssignedToPredecessorCompanyOutstanding" name="NumberOfFacilityLeasesAssignedToPredecessorCompanyOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueThereafter" name="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueThereafter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInFiveYears" name="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInFiveYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInFourYears" name="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInFourYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInThreeYears" name="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInThreeYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInTwelveMonths" name="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInTwoYears" name="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsInTwoYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_OperatingLeasesFutureMinimumPaymentsDueSubleaseRentalsFiscalYearMaturityAbstract" name="OperatingLeasesFutureMinimumPaymentsDueSubleaseRentalsFiscalYearMaturityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_OrdinaryCashDividendMember" name="OrdinaryCashDividendMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_OriginalVestingDateAsOfJune302009Member" name="OriginalVestingDateAsOfJune302009Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_OriginalVestingDateAsOfJune302010Member" name="OriginalVestingDateAsOfJune302010Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_OriginalVestingDateAsOfJune302011Member" name="OriginalVestingDateAsOfJune302011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_OriginalVestingDateAsOfJune302012Member" name="OriginalVestingDateAsOfJune302012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_OriginalVestingDateAsOfJune302013Member" name="OriginalVestingDateAsOfJune302013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" name="OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="bah_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" name="OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" name="OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_OtherLongTermLiabilities" name="OtherLongTermLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_OverallAwardEquityIncrease" name="OverallAwardEquityIncrease" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="bah_PaymentsForEscrowDeposits" name="PaymentsForEscrowDeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="bah_PreAcquisitionUncertainTaxPositions" name="PreAcquisitionUncertainTaxPositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_PreAcquisitionUncertainTaxPositionsThatMayBeIndemnifiedUnderRemainingAvailableDeferredPaymentObligation" name="PreAcquisitionUncertainTaxPositionsThatMayBeIndemnifiedUnderRemainingAvailableDeferredPaymentObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_PriorPeriodRevenueAdjustmentAmountBeforeTax" name="PriorPeriodRevenueAdjustmentAmountBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="bah_PriorPeriodRevenueAdjustmentAmountNetOfTax" name="PriorPeriodRevenueAdjustmentAmountNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_RacketeerInfluencedAndCorruptOrganizationsActMember" name="RacketeerInfluencedAndCorruptOrganizationsActMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" name="ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" name="ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" name="ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems" name="ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" name="ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" name="ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" name="ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_RelatedPartyTransactionManagementAgreementAdvisoryFees" name="RelatedPartyTransactionManagementAgreementAdvisoryFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_RelatedPartyTransactionManagementAgreementOneTimePayment" name="RelatedPartyTransactionManagementAgreementOneTimePayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="bah_RetirementEligibleMember" name="RetirementEligibleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_RolloverOptionsMember" name="RolloverOptionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ScheduleOfAccruedCompensationAndBenefitsTableTextBlock" name="ScheduleOfAccruedCompensationAndBenefitsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ScheduleOfFiniteAndIndefiniteLivedIntangiblesTableTextBlock" name="ScheduleOfFiniteAndIndefiniteLivedIntangiblesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ScheduleOfOtherAssetsLineItems" name="ScheduleOfOtherAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_ScheduleOfOtherAssetsTable" name="ScheduleOfOtherAssetsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAwardsExercisablePercentageByYearTableTextBlock" name="ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAwardsExercisablePercentageByYearTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ScheduleOfValuationAndQualifyingAccountsTableTextBlock" name="ScheduleOfValuationAndQualifyingAccountsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_SelfFundedMedicalPlansPolicyTextBlock" name="SelfFundedMedicalPlansPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearFive" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearFive" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearFour" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearFour" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearOne" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearOne" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearThree" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearThree" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearTwo" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFullyVestedSharesExercisePercentageYearTwo" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsInPeriodVested" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsInPeriodVested" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDeferredIncrementalCompensationCost" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDeferredIncrementalCompensationCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDeferredIncrementalCompensationCostRecognitionPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDeferredIncrementalCompensationCostRecognitionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCostRecognized" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCostRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodAggregateIntrinsicValue" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_SpecialCashDividendMember" name="SpecialCashDividendMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_StockBasedCompensationLiability" name="StockBasedCompensationLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="bah_StockIssuedDuringPeriodSharesShareExchange" name="StockIssuedDuringPeriodSharesShareExchange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_StockIssuedDuringPeriodValueShareExchange" name="StockIssuedDuringPeriodValueShareExchange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_TrancheALoansMember" name="TrancheALoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_TrancheBLoansMember" name="TrancheBLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_UnitedStatesDistrictCourtForSouthernDistrictOfCaliforniaMember" name="UnitedStatesDistrictCourtForSouthernDistrictOfCaliforniaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_UnitedStatesDistrictCourtForSouthernDistrictOfNewYorkMember" name="UnitedStatesDistrictCourtForSouthernDistrictOfNewYorkMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_UnrecognizedCompensationCostNext12Months" name="UnrecognizedCompensationCostNext12Months" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_UnrecognizedCompensationCostYearFive" name="UnrecognizedCompensationCostYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_UnrecognizedCompensationCostYearFour" name="UnrecognizedCompensationCostYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_UnrecognizedCompensationCostYearThree" name="UnrecognizedCompensationCostYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_UnrecognizedCompensationCostYearTwo" name="UnrecognizedCompensationCostYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="bah_UnrecognizedTaxBenefitsIncreasesResultingFromChangesInReserves" name="UnrecognizedTaxBenefitsIncreasesResultingFromChangesInReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_ValuationAllowancesAndReservesSaleOfCapitalAssets" name="ValuationAllowancesAndReservesSaleOfCapitalAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_VestingAxis" name="VestingAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="bah_VestingDomain" name="VestingDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="bah_WriteOffOfDeferredDebtIssuanceCostNotDeferred" name="WriteOffOfDeferredDebtIssuanceCostNotDeferred" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>
