<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2020v4.0" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2021-11-15T09:30:25-08:00</ReturnTs>
    <TaxPeriodEndDt>2020-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>472782393</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Winchester Accounting and Consulting Inc</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>207 N Cameron Street</AddressLine1Txt>
        <CityNm>Winchester</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>22601</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2020-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>550810619</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>The OSS Society Inc</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>OSSS</BusinessNameControlTxt>
      <PhoneNum>7033566667</PhoneNum>
      <USAddress>
        <AddressLine1Txt>7700 Leesburg Pike 324</AddressLine1Txt>
        <CityNm>Falls Church</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>22043</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Charles T Pinck</PersonNm>
      <PersonTitleTxt>President</PersonTitleTxt>
      <SignatureDt>2021-11-15</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>Charles T</PersonFirstNm>
        <PersonLastNm>Pinck</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>Michael W Decker CPA</PreparerPersonNm>
      <PTIN>P01275185</PTIN>
      <PhoneNum>5404097994</PhoneNum>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>2</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
        <FederatedAssuranceLevelCd>FAL1</FederatedAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2020</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="8">
    <IRS990 documentId="IRS990" referenceDocumentId="IRS990ScheduleO" softwareId="20011551" softwareVersionNum="2020v4.0">
      <USAddress>
        <AddressLine1Txt>7700 Leesburg Pike 324</AddressLine1Txt>
        <CityNm>Falls Church</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>22043</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>284684</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>http://www.osssociety.org</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>2002</FormationYr>
      <LegalDomicileStateCd>VA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>To accumulate, preserve, perpetuate, educate and promote public awareness of the history, traditions and spirit of the Office of Strategic Services.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>16</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>16</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>1</TotalEmployeeCnt>
      <TotalVolunteersCnt>12</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <PYContributionsGrantsAmt>10650290</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>261892</CYContributionsGrantsAmt>
      <CYProgramServiceRevenueAmt>0</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>98376</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>22792</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>147520</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>-46993</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>10896186</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>237691</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>10572</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>185778</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>200870</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>256728</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>427918</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>427918</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>3535295</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>206556</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>3988373</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>835344</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>6907813</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-597653</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>7677636</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>10945850</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>4232</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>15677</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>7673404</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>10930173</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>To accumulate, preserve, perpetuate, educate and promote public awareness of the history, traditions and spirit of the Office of Strategic Services.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>290138</ExpenseAmt>
      <Desc>To accumulate, preserve, perpetuate, educate and promote public awareness of the history, traditions and spirit of the Office of Strategic Services.</Desc>
      <TotalProgramServiceExpensesAmt>290138</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="IRS990ScheduleA">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="IRS990ScheduleB">true</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="IRS990ScheduleD">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="IRS990ScheduleD">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="IRS990ScheduleD">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="IRS990ScheduleD">false</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd referenceDocumentId="IRSScheduleD">false</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="IRS990ScheduleD">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="IRS990ScheduleD">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="IRS990ScheduleD">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="IRS990ScheduleD">true</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="IRS990ScheduleD">true</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="IRS990ScheduleD">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd referenceDocumentId="IRS990ScheduleG">true</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd referenceDocumentId="IRS990ScheduleG">false</FundraisingActivitiesInd>
      <GamingActivitiesInd referenceDocumentId="IRS990ScheduleG">false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="IRS990ScheduleJ">true</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd referenceDocumentId="IRS990ScheduleL">false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd referenceDocumentId="IRS990ScheduleL">false</PYExcessBenefitTransInd>
      <LoanOutstandingInd referenceDocumentId="IRS990ScheduleL">false</LoanOutstandingInd>
      <GrantToRelatedPersonInd referenceDocumentId="IRS990ScheduleL">false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd referenceDocumentId="IRS990ScheduleL">true</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd referenceDocumentId="IRS990ScheduleL">false</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd referenceDocumentId="IRSScheduleL">true</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>6</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>false</BackupWthldComplianceInd>
      <EmployeeCnt>1</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>true</QuidProQuoContributionsInd>
      <QuidProQuoContriDisclInd>true</QuidProQuoContriDisclInd>
      <Form8282PropertyDisposedOfInd>false</Form8282PropertyDisposedOfInd>
      <Form8282FiledCnt>0</Form8282FiledCnt>
      <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
      <Form8899Filedind>false</Form8899Filedind>
      <Form1098CFiledInd>false</Form1098CFiledInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>16</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>16</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>true</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>true</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>true</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>false</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>false</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>false</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>true</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>false</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>Charles Pinck</PersonNm>
        <PhoneNum>7033566667</PhoneNum>
        <USAddress>
          <AddressLine1Txt>7700 Leesburg Pike 324</AddressLine1Txt>
          <CityNm>Falls Church</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>22043</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>Charles T Pinck</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>189583</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>David Cohen</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Col Sully H de Fontaine</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Frank Archibald</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Arthur Reinhardt</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Aloysia P Hamalainen</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Maj Gen Victor J Hugo Jr</PersonNm>
        <TitleTxt>Executive VP</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Maj Gen Donald C Hilbert</PersonNm>
        <TitleTxt>Senior VP</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Tom Higgins</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lt Gen Patrick M Hughes</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Chris Randolph</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Brian L Losey</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Patrick K O'Donnell</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Dana W Hudson</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Col David S Maxwell</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Mark F Pretzat</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>189583</TotalReportableCompFromOrgAmt>
      <IndivRcvdGreaterThan100KCnt>1</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Fentress Architects</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1140 Connecticut Ave NW Suite 750</AddressLine1Txt>
            <CityNm>Washington</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20036</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Museum Planning &amp; Design</ServicesDesc>
        <CompensationAmt>2335980</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Gallagher &amp; Associates</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>8665 Georgia Ave</AddressLine1Txt>
            <CityNm>Silver Spring</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>20910</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Museum Planning &amp; Design</ServicesDesc>
        <CompensationAmt>737893</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CCS Fundraising</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1667 K St NW Suite 2</AddressLine1Txt>
            <CityNm>Washington</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20006</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Fundraising</ServicesDesc>
        <CompensationAmt>427918</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MGAC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>730 11th St NW</AddressLine1Txt>
            <CityNm>Washington</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20001</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Museum Planning &amp; Design</ServicesDesc>
        <CompensationAmt>242476</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Carl Corby Films LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1642 32nd St NW</AddressLine1Txt>
            <CityNm>Washington</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20007</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Professional Film Svcs</ServicesDesc>
        <CompensationAmt>166545</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>5</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>261892</AllOtherContributionsAmt>
      <TotalContributionsAmt>261892</TotalContributionsAmt>
      <TotalProgramServiceRevenueAmt>0</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>22792</TotalRevenueColumnAmt>
        <ExclusionAmt>22792</ExclusionAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </IncmFromInvestBondProceedsGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </RoyaltiesRevenueGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetRentalIncomeOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingDirectExpensesAmt>46993</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-46993</TotalRevenueColumnAmt>
        <ExclusionAmt>-46993</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>237691</TotalRevenueColumnAmt>
        <ExclusionAmt>-24201</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>0</TotalAmt>
      </ForeignGrantsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>0</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>189583</TotalAmt>
        <ProgramServicesAmt>142188</ProgramServicesAmt>
        <ManagementAndGeneralAmt>47395</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <CompDisqualPersonsGrp>
        <TotalAmt>0</TotalAmt>
      </CompDisqualPersonsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>0</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>0</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>0</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>11287</TotalAmt>
        <ProgramServicesAmt>8465</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2822</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>6789</TotalAmt>
        <ManagementAndGeneralAmt>6789</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>427918</TotalAmt>
        <FundraisingAmt>427918</FundraisingAmt>
      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>11350</TotalAmt>
        <ProgramServicesAmt>11350</ProgramServicesAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>0</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>21481</TotalAmt>
        <ManagementAndGeneralAmt>21481</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>0</TotalAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>0</TotalAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>4015</TotalAmt>
        <ProgramServicesAmt>4015</ProgramServicesAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>6709</TotalAmt>
        <ProgramServicesAmt>6709</ProgramServicesAmt>
      </TravelGrp>
      <PymtTravelEntrtnmntPubOfclGrp>
        <TotalAmt>0</TotalAmt>
      </PymtTravelEntrtnmntPubOfclGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>5062</TotalAmt>
        <ProgramServicesAmt>5062</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>0</TotalAmt>
      </InterestGrp>
      <PaymentsToAffiliatesGrp>
        <TotalAmt>0</TotalAmt>
      </PaymentsToAffiliatesGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>5</TotalAmt>
        <ManagementAndGeneralAmt>5</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>0</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Film Production &amp; Promotion</Desc>
        <TotalAmt>78782</TotalAmt>
        <ProgramServicesAmt>78782</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Storage</Desc>
        <TotalAmt>20137</TotalAmt>
        <ManagementAndGeneralAmt>20137</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Printing and Publications</Desc>
        <TotalAmt>8941</TotalAmt>
        <ProgramServicesAmt>7600</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1341</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Postage and Shipping</Desc>
        <TotalAmt>7196</TotalAmt>
        <ProgramServicesAmt>5398</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1798</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>36089</TotalAmt>
        <ProgramServicesAmt>20569</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15520</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>835344</TotalAmt>
        <ProgramServicesAmt>290138</ProgramServicesAmt>
        <ManagementAndGeneralAmt>117288</ManagementAndGeneralAmt>
        <FundraisingAmt>427918</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>90238</BOYAmt>
        <EOYAmt>66889</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>7545389</BOYAmt>
        <EOYAmt>3493140</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <EOYAmt>0</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <EOYAmt>0</EOYAmt>
      </AccountsReceivableGrp>
      <ReceivablesFromOfficersEtcGrp>
        <EOYAmt>0</EOYAmt>
      </ReceivablesFromOfficersEtcGrp>
      <RcvblFromDisqualifiedPrsnGrp>
        <EOYAmt>0</EOYAmt>
      </RcvblFromDisqualifiedPrsnGrp>
      <OthNotesLoansReceivableNetGrp>
        <EOYAmt>0</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <EOYAmt>0</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <EOYAmt>0</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>296</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>5</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <EOYAmt>291</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <IntangibleAssetsGrp>
        <EOYAmt>0</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>42009</BOYAmt>
        <EOYAmt>7385530</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>7677636</BOYAmt>
        <EOYAmt>10945850</EOYAmt>
      </TotalAssetsGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>4232</BOYAmt>
        <EOYAmt>15677</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>4232</BOYAmt>
        <EOYAmt>15677</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>7673404</BOYAmt>
        <EOYAmt>8685602</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <EOYAmt>2244571</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>7673404</BOYAmt>
        <EOYAmt>10930173</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>7677636</BOYAmt>
        <EOYAmt>10945850</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-597653</ReconcilationRevenueExpnssAmt>
      <PriorPeriodAdjustmentsAmt>3854422</PriorPeriodAdjustmentsAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA" softwareId="20011551" softwareVersionNum="2020v4.0">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>272557</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1158701</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>122424</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10181461</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>236892</CurrentTaxYearAmt>
        <TotalAmt>11972035</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <TotalAmt>0</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp>
        <TotalAmt>0</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <TaxRevLeviedOrgnztnlBnft509Grp>
        <TotalAmt>0</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft509Grp>
      <GovtFurnSrvcFcltsVl509Grp>
        <TotalAmt>0</TotalAmt>
      </GovtFurnSrvcFcltsVl509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>272557</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1158701</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>122424</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10181461</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>236892</CurrentTaxYearAmt>
        <TotalAmt>11972035</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <PublicSupportTotal509Amt>11972035</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>248</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>232</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1825</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>98376</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>22792</CurrentTaxYearAmt>
        <TotalAmt>123473</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <TotalAmt>0</TotalAmt>
      </Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>248</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>232</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1825</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>98376</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>22792</CurrentTaxYearAmt>
        <TotalAmt>123473</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <NetIncomeFromOtherUBIGrp>
        <TotalAmt>0</TotalAmt>
      </NetIncomeFromOtherUBIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>91658</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>195015</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>152541</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>125708</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>-46993</CurrentTaxYearAmt>
        <TotalAmt>517929</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>364463</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1353948</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>276790</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10405545</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>212691</CurrentTaxYearAmt>
        <TotalAmt>12613437</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.94910</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.93840</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00980</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00770</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB" softwareId="20011551" softwareVersionNum="2020v4.0">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="20011551" softwareVersionNum="2020v4.0">
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>296</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>5</DepreciationAmt>
        <BookValueAmt>291</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>291</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>Artifacts</Desc>
        <BookValueAmt>42008</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Due from Vendor</Desc>
        <BookValueAmt>3000</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Museum Design and Planning</Desc>
        <BookValueAmt>7340522</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>7385530</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Credit Card Payable</Desc>
        <Amt>15677</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>15677</TotalLiabilityAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4: Description of organization's collections and how it furthers its purpose.</FormAndLineReferenceDesc>
        <ExplanationTxt>The purchase of these artifacts and memorabilia will be on display for educational and informational purposes in the proposed museum.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="IRS990ScheduleG" softwareId="20011551" softwareVersionNum="2020v4.0">
      <MailSolicitationsInd>X</MailSolicitationsInd>
      <EmailSolicitationsInd>X</EmailSolicitationsInd>
      <InPersonSolicitationsInd>X</InPersonSolicitationsInd>
      <SpecialFundraisingEventsInd>X</SpecialFundraisingEventsInd>
      <AgrmtProfFundraisingActyInd>false</AgrmtProfFundraisingActyInd>
    </IRS990ScheduleG>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ" softwareId="20011551" softwareVersionNum="2020v4.0">
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Charles T Pinck</PersonNm>
        <TitleTxt>President</TitleTxt>
        <BaseCompensationFilingOrgAmt>189583</BaseCompensationFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>189583</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="IRS990ScheduleL" softwareId="20011551" softwareVersionNum="2020v4.0">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Patrick O'Donnell</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Director</RelationshipDescriptionTxt>
        <TransactionAmt>12500</TransactionAmt>
        <TransactionDesc>Histroical Research</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="20011551" softwareVersionNum="2020v4.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a: How Members or Shareholders Elect Governing Body</FormAndLineReferenceDesc>
        <ExplanationTxt>Members elected to the governing body are subject to approval by the members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7b: Describe Decisions of Governing Body Approval by Members or Shareholders</FormAndLineReferenceDesc>
        <ExplanationTxt>Major decisions are subject to the approval by the board of directors and/or the executive committee.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>The president and the current treasurer reviewed the return in advance of its filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a: Compensation Review &amp; Approval Process - CEO, Top Management</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization had an outside consultant conduct a salary study to ascertain an appropriate compensation package based on the Organization, industry, and duties.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>Documents are made available to the public upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
