<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2021v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2023-03-20T08:48:28-04:00</ReturnTs>
    <TaxPeriodEndDt>2022-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>232641012</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>WILLIAM G KOCH &amp; ASSOCIATES</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2650 WESTVIEW DR</AddressLine1Txt>
        <CityNm>WYOMISSING</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>196101187</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2021-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>475444082</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>BERKS MILITARY HISTORY MUSEUM</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>BERK</BusinessNameControlTxt>
      <USAddress>
        <AddressLine1Txt>198 E WYOMISSING AVENUE</AddressLine1Txt>
        <CityNm>MOHNTON</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>19540</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>ROBERT QUINTER</PersonNm>
      <PersonTitleTxt>PRES/TREASURER</PersonTitleTxt>
      <SignatureDt>2022-02-16</SignatureDt>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>ROBERT</PersonFirstNm>
        <PersonLastNm>QUINTOR</PersonLastNm>
      </PersonFullName>
      <SSN>XXX-XX-XXXX</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>WILLIAM G KOCH SR CPA</PreparerPersonNm>
      <PTIN>P00045939</PTIN>
      <PhoneNum>6106789700</PhoneNum>
      <PreparationDt>2023-02-24</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2021</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc3" referenceDocumentId="RetDoc4">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>WWW.BERKSMILITARY.WEEBLY.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc5">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>46610</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>46610</ContributionsGiftsGrantsEtcAmt>
      <TotalRevenueAmt>46610</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>4713</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>2473</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>36025</OtherExpensesTotalAmt>
      <TotalExpensesAmt>43211</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>3399</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>10285</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>3895</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>17579</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>63</BOYAmt>
        <EOYAmt>24797</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>234815</BOYAmt>
        <EOYAmt>232563</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>5911</BOYAmt>
        <EOYAmt>5444</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>240789</BOYAmt>
        <EOYAmt>262804</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>230504</BOYAmt>
        <EOYAmt>245225</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>10285</BOYAmt>
        <EOYAmt>17579</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>PRESERVATION AND EXPOSITION OF MILITARY ARTIFACTS AND CIVILIAN ARTIFACTS RELATED TO DOMESTIC WARTIME PRODUCTION AND TO MAINTAIN THE MUSEUM.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PRESERVATION AND EXPOSITION OF MILITARY ARTIFACTS AND CIVILIAN ARTIFACTS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>36906</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>36906</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STEVE CANNON</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBERT QUINTER</PersonNm>
        <TitleTxt>PRES/TREASUR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>4.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>PA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>WILLIAM G KOCH &amp; ASSOCIATES</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>2650 WESTVIEW DR</AddressLine1Txt>
          <CityNm>WYOMISSING</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19610</ZIPCd>
        </USAddress>
        <PhoneNum>6106789700</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc5">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>36556</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>49839</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>28158</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>69798</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>46610</CurrentTaxYearAmt>
        <TotalAmt>230961</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>36556</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>49839</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>28158</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>69798</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>46610</CurrentTaxYearAmt>
        <TotalAmt>230961</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>58429</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>172532</PublicSupportTotal170Amt>
      <TotalSupportAmt>230961</TotalSupportAmt>
      <PublicSupportCY170Pct>0.74700</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.68770</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <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>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES ADVERTISING 1,800 INTEREST 9,586 INSURANCE 8,245 EDUCATIONAL 888 UTILITIES 5,895 TELEPHONE 1,578 TRASH 284 SECURITY SYSTEM 562 BANK FEES 140 STORAGE 427 NON-INVESTMENT DEPRECIATION 6,620 TOTAL 36,025</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 20</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCREASES 3,895</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>7,000 7,000 LESS ACCUMULATED DEPRECIATION 1,089 1,556 TOTAL 5,911 5,444</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 26</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTS PAYABLE AND ACCRUED EXPENSES 38,364 40,868 DUE TO MARK GILLEN 5,250 22,682 MORTGAGE AND OTHER NOTES PAYABLE 186,890 181,675</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>PRESERVATION AND EXPOSITION OF MILITARY ARTIFACTS AND CIVILIAN ARTIFACTS RELATED TO DOMESTIC WARTIME PRODUCTION AND TO MAINTAIN THE MUSEUM.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
