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        <PersonNm>JAMES ALBAUGH</PersonNm>
        <TitleTxt>IMM PAST PRESIDENT (TO MAY '17)</TitleTxt>
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        <PersonNm>ALLEN ARRINGTON</PersonNm>
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        <PersonNm>JAMES A KEENAN</PersonNm>
        <TitleTxt>VP-ELECT TECH ACT (TO MAY '17)</TitleTxt>
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        <PersonNm>LAURA A RICHARD</PersonNm>
        <TitleTxt>VP-ELECT MEMBER SVCS (TO MAY '17)</TitleTxt>
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        <PersonNm>DAVID R RILEY</PersonNm>
        <TitleTxt>VP TECH ACT (TO MAY '17)</TitleTxt>
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        <PersonNm>JOHN C ROSE</PersonNm>
        <TitleTxt>VP PUB POLICY (TO MAY '17)</TitleTxt>
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        <PersonNm>NANCY F ANDERSEN</PersonNm>
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        <PersonNm>TERRY J BURRESS</PersonNm>
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        <PersonNm>SCOTT EBERHARDT</PersonNm>
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        <PersonNm>JOHN R EILER</PersonNm>
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        <PersonNm>DR FERDINAND GROSVELD</PersonNm>
        <TitleTxt>DIRECTOR (TO MAY '17)</TitleTxt>
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        <PersonNm>JEFFREY HAMSTRA</PersonNm>
        <TitleTxt>DIRECTOR (TO MAY '17)</TitleTxt>
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        <PersonNm>L JANE HANSEN</PersonNm>
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        <PersonNm>DR BASIL HASSAN</PersonNm>
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        <PersonNm>DANIEL T JENSEN</PersonNm>
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        <PersonNm>DR DIMITRI N MAVRIS</PersonNm>
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        <PersonNm>PETER A MONTGOMERY</PersonNm>
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        <PersonNm>ROBIN VERMELAND</PersonNm>
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        <PersonNm>DR MARK S WHORTON</PersonNm>
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        <PersonNm>DR SANDRA MAGNUS</PersonNm>
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        <PersonNm>WILLIAM SEYMORE</PersonNm>
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        <PersonNm>ANGELO IASIELLO</PersonNm>
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        <PersonNm>KAREN ROSENBLUM</PersonNm>
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        <PersonNm>SUSAN B LUBERT</PersonNm>
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        <PersonNm>MEGAN SCHEIDT</PersonNm>
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        <PersonNm>KAREN THOMAS</PersonNm>
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        <PersonNm>RODGER WILLIAMS</PersonNm>
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        <PersonNm>MERRIE SCOTT</PersonNm>
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        <PersonNm>CRAIG BYL</PersonNm>
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        <PersonNm>BENJAMIN IANNOTTA</PersonNm>
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            <AddressLine1Txt>1827 SOUTH ALMOND AVE</AddressLine1Txt>
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      <ContractorCompensationGrp>
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          <BusinessName>
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            <ZIPCd>10001</ZIPCd>
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          <BusinessName>
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            <StateAbbreviationCd>KS</StateAbbreviationCd>
            <ZIPCd>66044</ZIPCd>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
        <Desc>SPONSORSHIPS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>480815</TotalRevenueColumnAmt>
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      <TotalProgramServiceRevenueAmt>19158884</TotalProgramServiceRevenueAmt>
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        <ExclusionAmt>841650</ExclusionAmt>
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        <SecuritiesAmt>8137679</SecuritiesAmt>
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        <SecuritiesAmt>203538</SecuritiesAmt>
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        <TotalRevenueColumnAmt>203538</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>21730</UnrelatedBusinessRevenueAmt>
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        <Desc>LIST RENTAL</Desc>
        <BusinessCd>900099</BusinessCd>
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        <ExclusionAmt>10061</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>AFFINITY REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>601</TotalRevenueColumnAmt>
        <ExclusionAmt>601</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <MiscellaneousRevenueGrp>
        <TotalRevenueColumnAmt>7851</TotalRevenueColumnAmt>
        <ExclusionAmt>7851</ExclusionAmt>
      </MiscellaneousRevenueGrp>
      <OtherRevenueTotalAmt>40243</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>20401633</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19013510</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>167104</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1206081</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>1889513</TotalAmt>
        <ProgramServicesAmt>364567</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1524946</ManagementAndGeneralAmt>
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      <OtherSalariesAndWagesGrp>
        <TotalAmt>6276961</TotalAmt>
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      <PensionPlanContributionsGrp>
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        <ProgramServicesAmt>153811</ProgramServicesAmt>
        <ManagementAndGeneralAmt>36796</ManagementAndGeneralAmt>
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      <OtherEmployeeBenefitsGrp>
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        <ProgramServicesAmt>661579</ProgramServicesAmt>
        <ManagementAndGeneralAmt>165737</ManagementAndGeneralAmt>
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      <PayrollTaxesGrp>
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        <ProgramServicesAmt>373199</ProgramServicesAmt>
        <ManagementAndGeneralAmt>167471</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
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        <ManagementAndGeneralAmt>55030</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>75324</TotalAmt>
        <ManagementAndGeneralAmt>75324</ManagementAndGeneralAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>41734</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>2232064</TotalAmt>
        <ProgramServicesAmt>1982879</ProgramServicesAmt>
        <ManagementAndGeneralAmt>249185</ManagementAndGeneralAmt>
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      <AdvertisingGrp>
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        <ProgramServicesAmt>246188</ProgramServicesAmt>
        <ManagementAndGeneralAmt>532</ManagementAndGeneralAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>773838</TotalAmt>
        <ProgramServicesAmt>640068</ProgramServicesAmt>
        <ManagementAndGeneralAmt>133770</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>1317229</TotalAmt>
        <ProgramServicesAmt>840655</ProgramServicesAmt>
        <ManagementAndGeneralAmt>476574</ManagementAndGeneralAmt>
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      <RoyaltiesGrp>
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        <ProgramServicesAmt>128218</ProgramServicesAmt>
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      <OccupancyGrp>
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        <ProgramServicesAmt>36072</ProgramServicesAmt>
        <ManagementAndGeneralAmt>382937</ManagementAndGeneralAmt>
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      <TravelGrp>
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        <ProgramServicesAmt>357454</ProgramServicesAmt>
        <ManagementAndGeneralAmt>94033</ManagementAndGeneralAmt>
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      <ConferencesMeetingsGrp>
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        <ProgramServicesAmt>3462464</ProgramServicesAmt>
        <ManagementAndGeneralAmt>18783</ManagementAndGeneralAmt>
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      <PaymentsToAffiliatesGrp>
        <TotalAmt>714537</TotalAmt>
        <ProgramServicesAmt>714537</ProgramServicesAmt>
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        <ProgramServicesAmt>214755</ProgramServicesAmt>
        <ManagementAndGeneralAmt>219657</ManagementAndGeneralAmt>
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        <TotalAmt>81440</TotalAmt>
        <ManagementAndGeneralAmt>81440</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>JOURNALS &amp; PUBLICATIONS</Desc>
        <TotalAmt>518903</TotalAmt>
        <ProgramServicesAmt>518903</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>AWARDS &amp; HONORARIA</Desc>
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        <ProgramServicesAmt>329840</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>SECTION REBATE</Desc>
        <TotalAmt>216107</TotalAmt>
        <ProgramServicesAmt>216107</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>FULFILLMENT</Desc>
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        <ProgramServicesAmt>158727</ProgramServicesAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>222406</ProgramServicesAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>21663916</TotalAmt>
        <ProgramServicesAmt>17178720</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4485196</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>2455476</EOYAmt>
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        <EOYAmt>131990</EOYAmt>
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      <InventoriesForSaleOrUseGrp>
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        <EOYAmt>63033</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>621654</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>6571737</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>5239181</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>1709667</BOYAmt>
        <EOYAmt>1332556</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>36476397</EOYAmt>
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      <OtherAssetsTotalGrp>
        <BOYAmt>9063193</BOYAmt>
        <EOYAmt>1595735</EOYAmt>
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      <TotalAssetsGrp>
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        <EOYAmt>42676841</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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      <DeferredRevenueGrp>
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      <OtherLiabilitiesGrp>
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        <EOYAmt>40268</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>9950677</EOYAmt>
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      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
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        <EOYAmt>30820164</EOYAmt>
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      <TemporarilyRstrNetAssetsGrp>
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        <EOYAmt>1906000</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>31111088</BOYAmt>
        <EOYAmt>32726164</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>40687875</BOYAmt>
        <EOYAmt>42676841</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>-1262283</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>2877359</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
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      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>53889</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>387503</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>93172</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>40263</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>14938</CurrentTaxYearAmt>
        <TotalAmt>589765</TotalAmt>
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      <GrossReceiptsAdmissionsGrp>
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        <CurrentTaxYearMinus3YearsAmt>20292260</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>20397643</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>19907387</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>19013510</CurrentTaxYearAmt>
        <TotalAmt>97791444</TotalAmt>
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      <Total509Grp>
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        <CurrentTaxYearMinus3YearsAmt>20679763</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>20490815</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>19947650</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>19028448</CurrentTaxYearAmt>
        <TotalAmt>98381209</TotalAmt>
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      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>98381209</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
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        <CurrentTaxYearMinus3YearsAmt>890758</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>919577</CurrentTaxYearMinus2YearsAmt>
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      <InvestmentIncomeAndUBTIGrp>
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      <OtherIncome509Grp>
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        <CurrentTaxYearMinus2YearsAmt>17594</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>13200</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>18513</CurrentTaxYearAmt>
        <TotalAmt>108759</TotalAmt>
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      <TotalSupportCalendarYearGrp>
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        <CurrentTaxYearMinus3YearsAmt>21601973</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>21427986</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>20859201</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>20030991</CurrentTaxYearAmt>
        <TotalAmt>102985933</TotalAmt>
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      <PublicSupportCY509Pct>0.95530</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.95700</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.04370</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.04180</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleC documentId="RetDoc1039600001">
      <TotalGrassrootsLobbyingGrp>
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      </TotalGrassrootsLobbyingGrp>
      <TotalDirectLobbyingGrp>
        <FilingOrganizationsTotalAmt>45194</FilingOrganizationsTotalAmt>
      </TotalDirectLobbyingGrp>
      <TotalLobbyingExpendGrp>
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      </TotalLobbyingExpendGrp>
      <OtherExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>21516749</FilingOrganizationsTotalAmt>
      </OtherExemptPurposeExpendGrp>
      <TotalExemptPurposeExpendGrp>
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      </TotalExemptPurposeExpendGrp>
      <LobbyingNontaxableAmountGrp>
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      </LobbyingNontaxableAmountGrp>
      <GrassrootsNontaxableGrp>
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      </GrassrootsNontaxableGrp>
      <TotLbbyngGrassrootMnsNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyngGrassrootMnsNonTxGrp>
      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
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      <AvgLobbyingNontaxableAmountGrp>
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        <CurrentYearMinus2Amt>1000000</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>1000000</CurrentYearMinus1Amt>
        <CurrentYearAmt>1000000</CurrentYearAmt>
        <TotalAmt>4000000</TotalAmt>
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        <CurrentYearMinus2Amt>60924</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>81334</CurrentYearMinus1Amt>
        <CurrentYearAmt>61466</CurrentYearAmt>
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      <AvgGrassrootsNontaxableGrp>
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        <CurrentYearMinus2Amt>250000</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>250000</CurrentYearMinus1Amt>
        <CurrentYearAmt>250000</CurrentYearAmt>
        <TotalAmt>1000000</TotalAmt>
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        <CurrentYearAmt>16272</CurrentYearAmt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>CUSTOMER DEPOSITS</Desc>
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      <OtherLiabilitiesOrgGrp>
        <Desc>SUBLEASE DEPOSITS</Desc>
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      </OtherLiabilitiesOrgGrp>
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      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INSTITUTE HOLDS AVIATION AND SPACE RELATED STAMP AND COIN COLLECTIONS. EACH OF THESE ITEMS IS CARRIED ON THE BALANCE SHEET AT $1.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ADDITIONALLY, MANAGEMENT HAS CONCLUDED THAT THERE ARE NO UNCERTAIN TAX POSITIONS THROUGH SEPTEMBER 30, 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <ClubDuesOrFeesInd>X</ClubDuesOrFeesInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
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      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
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      <InitialContractExceptionInd>0</InitialContractExceptionInd>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13327</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>497810</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ANGELO IASIELLO</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>245368</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1240</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>10113</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36846</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>293567</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KAREN ROSENBLUM</PersonNm>
        <TitleTxt>CHIEF FINANCIAL OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>163621</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>23800</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>791</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7749</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36780</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>232741</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SUSAN B LUBERT</PersonNm>
        <TitleTxt>CHIEF HUMAN RESOURCES OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>165614</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>20339</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1501</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7715</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36784</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>231953</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MEGAN SCHEIDT</PersonNm>
        <TitleTxt>MANAGING DIR, PRODUCTS &amp; PROGRAMS</TitleTxt>
        <BaseCompensationFilingOrgAmt>136408</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>15892</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>400</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6120</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>3513</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>162333</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KAREN THOMAS</PersonNm>
        <TitleTxt>MANAGING DIR, MEMBER &amp; COMM ENG</TitleTxt>
        <BaseCompensationFilingOrgAmt>133938</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>16430</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1163</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6230</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36716</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>194477</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RODGER WILLIAMS</PersonNm>
        <TitleTxt>MANAGING DIR, STRATEGIC OUTREACH</TitleTxt>
        <BaseCompensationFilingOrgAmt>130504</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>16440</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>400</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6142</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36712</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>190198</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>THOMAS IRVINE</PersonNm>
        <TitleTxt>MANAGING DIR, CONTENT DEVELOPMENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>170328</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>20400</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1506</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7738</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1950</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>201922</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MERRIE SCOTT</PersonNm>
        <TitleTxt>DIRECTOR, FOUNDATION DEVELOPMENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>140676</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>11487</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>659</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6281</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36730</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>195833</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BENJAMIN IANNOTTA</PersonNm>
        <TitleTxt>EDITOR-IN-CHIEF, AA</TitleTxt>
        <BaseCompensationFilingOrgAmt>112541</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>9919</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>510</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5127</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36673</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>164770</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>HEALTH/SOCIAL CLUB DUES IS AVAILABLE TO ALL STAFF MEMBERS. DURING THE TAX YEAR, 35 INDIVIDUALS RECEIVED THIS BENEFIT. IT WAS TAXABLE TO ALL WHO RECEIVED IT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>AIAA HAS A MERIT BONUS SYSTEM THAT APPLIES TO ALL EMPLOYEES AND IS MONITORED BY THE COMPENSATION COMMITTEE OF INDEPENDENT BOARD MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SIZE OF THE BOARD OF DIRECTORS WAS REDUCED TO ESTABLISH AN AGILE AND FORWARD-LEANING ORGANIZATION. A COUNCIL OF DIRECTORS WAS ALSO ESTABLISHED FOR OVERSIGHT OF MEMBER-DRIVEN ACTIVITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AIAA DOES HAVE MEMBERS. ITS MEMBERSHIP CLASSES INCLUDE HONORARY FELLOWS, FELLOWS, ASSOCIATE FELLOWS, SENIOR MEMBERS, MEMBERS, HONORARY MEMBERS, AND STUDENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>HONORARY FELLOWS, FELLOWS, ASSOCIATE FELLOWS, SENIOR MEMBERS, AND MEMBERS SHALL BE ELIGIBLE TO HOLD OFFICE AND TO VOTE. HONORARY MEMBERS SHALL BE ENTITLED TO VOTE BUT SHALL NOT BE ENTITLED TO BE AN OFFICER OR DIRECTOR. MEMBERS VOTE ANNUALLY TO ELECT MEMBERS OF THE BOARD OF DIRECTORS, AND WHEN NEEDED TO MAKE CHANGES TO THE INSTITUTE CONSTITUTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO THE CONSTITUTION MUST BE RATIFIED BY THE MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PLACED ON A WEBSITE FOR THE BOARD OF DIRECTORS TO REVIEW. MANAGEMENT REVIEWS FORM 990 BY VALIDATING THE ANSWERS AND RECONCILING FINANCIAL INFORMATION TO THE AUDITED FINANCIAL STATEMENTS TO ENSURE ACCURACY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY, AIAA BOARD MEMBERS AND AIAA STAFF ARE REQUIRED TO SIGN A CONFLICT OF INTEREST POLICY ACKNOWLEDGEMENT AND DISCLOSURE STATEMENTS AND CERTIFY THAT THE REQUIREMENTS OF THIS POLICY HAVE BEEN MET.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD COMPENSATION COMMITTEE WILL ANNUALLY REVIEW AND RECOMMEND TO THE BOARD FOR APPROVAL THE SALARY ADJUSTMENT POOLS AND THE BONUS POOLS TO BE USED FOR STAFF COMPENSATION. THE COMPENSATION COMMITTEE CONSISTS OF INDEPENDENT BOARD MEMBERS, RELYING ON OUTSIDE KNOWLEDGEABLE CONSULTANTS, ARMED WITH RECENT AND RELEVANT SALARY SURVEYS, AND RECOMMENDS COMPENSATION TO THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE ON AIAA'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTANTS: PROGRAM SERVICE EXPENSES 627,184. MANAGEMENT AND GENERAL EXPENSES 249,185. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 876,369. EDITORS: PROGRAM SERVICE EXPENSES 178,274. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 178,274. OUTSIDE PRODUCTION: PROGRAM SERVICE EXPENSES 670,527. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 670,527. OTHER PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 506,894. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 506,894.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>AIAA FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>12700 SUNRISE VALLEY DR STE 200</AddressLine1Txt>
          <CityNm>RESTON</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>20191</ZIPCd>
        </USAddress>
        <EIN>541827596</EIN>
        <PrimaryActivitiesTxt>EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>VA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>11A</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AIAA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>1</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
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</Return>