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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>David S Zachry</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.10</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>James L Burch</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>730139</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>53746</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Beth Ann Rafferty</PersonNm>
        <TitleTxt>CFO and Secretary</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>574117</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>51294</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Steven D Marty</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>477775</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>54253</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Daniel W Stewart</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>452526</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>60350</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>C Nils Smith</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>508116</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>60422</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Robin Canup</PersonNm>
        <TitleTxt>Assistant Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>481210</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>59833</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Steven W Dellenback</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>459293</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>55554</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Paul Easley</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>350515</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>51271</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Monica R Trollinger</PersonNm>
        <TitleTxt>General Counsel</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>419911</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>62501</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Linda Boehme</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>290497</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>50168</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Anthony Magaro</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>368098</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>55371</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jim R Keys</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>306637</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42374</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ben H Thacker</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>304719</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>53237</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Delia Aguilar</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>266074</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>37168</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Byrl B Brockman</PersonNm>
        <TitleTxt>Assistant Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>213293</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>54731</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Joe A McDonough</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>231237</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>54722</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael K McLelland</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>399663</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>53151</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Sol A Stern</PersonNm>
        <TitleTxt>Associate Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>555071</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>54903</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Scott J Bolton</PersonNm>
        <TitleTxt>Associate Vice President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
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        <ReportableCompFromOrgAmt>492643</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>64668</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Stephan A Fuselier</PersonNm>
        <TitleTxt>Executive Director</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>441549</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32993</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Harold F Levinson</PersonNm>
        <TitleTxt>Program Director</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>372936</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>62585</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Brian J Schimmoller</PersonNm>
        <TitleTxt>President-Signature Science</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Mary Massey</PersonNm>
        <TitleTxt>Former- Vice President Ret. 3/4/22</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <FormerOfcrDirectorTrusteeInd>X</FormerOfcrDirectorTrusteeInd>
        <ReportableCompFromOrgAmt>199335</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>9837</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael MacNaughton</PersonNm>
        <TitleTxt>Former- Vice President Ret. 9/30/22</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>27639</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Kenneth H Bennett Jr</PersonNm>
        <TitleTxt>Former-V.P. Eff. Sept 2022</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>224551</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21842</OtherCompensationAmt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Millennium Space Systems</BusinessNameLine1Txt>
          </BusinessName>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2265 E El Segundo Blvd</AddressLine1Txt>
            <CityNm>El Segundo</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90245</ZIPCd>
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        </ContractorAddress>
        <ServicesDesc>R&amp;D Services</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Sabreliner Aviation LLC</BusinessNameLine1Txt>
          </BusinessName>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>6 Trautman Ind Ct</AddressLine1Txt>
            <CityNm>Sanite Genevieve</CityNm>
            <StateAbbreviationCd>MO</StateAbbreviationCd>
            <ZIPCd>63670</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Keller-Martin Construction</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
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          <USAddress>
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            <CityNm>San Antonio</CityNm>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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          <USAddress>
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            <ZIPCd>77380</ZIPCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Actalent Inc</BusinessNameLine1Txt>
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          <USAddress>
            <AddressLine1Txt>7301 Parkway Drive</AddressLine1Txt>
            <CityNm>Hanover</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>21076</ZIPCd>
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        <ServicesDesc>Staffing Agency</ServicesDesc>
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      <TotalContributionsAmt>244879</TotalContributionsAmt>
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        <Desc>Research &amp; Development</Desc>
        <BusinessCd>541700</BusinessCd>
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        <ExclusionAmt>11037489</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
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        <ProgramServicesAmt>498107</ProgramServicesAmt>
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        <ProgramServicesAmt>40000</ProgramServicesAmt>
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        <ProgramServicesAmt>5203743</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6345382</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>554998</ProgramServicesAmt>
        <ManagementAndGeneralAmt>191121</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>264716813</ProgramServicesAmt>
        <ManagementAndGeneralAmt>51725099</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>21903837</ProgramServicesAmt>
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        <ProgramServicesAmt>27027552</ProgramServicesAmt>
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        <ProgramServicesAmt>19544160</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3299118</ManagementAndGeneralAmt>
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        <RecipientEIN>741272381</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>355000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>West Point Association of Graduates</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>698 Mills Road</AddressLine1Txt>
          <CityNm>West Point</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10996</ZIPCd>
        </USAddress>
        <RecipientEIN>141260763</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>19000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF DAYTON RE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>300 College Park</AddressLine1Txt>
          <CityNm>Dayton</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>454691600</ZIPCd>
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        <RecipientEIN>310536715</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
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        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>University of Texas at Austin</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
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          <CityNm>Austin</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>78713</ZIPCd>
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        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
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      <RecipientTable>
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        <USAddress>
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          <CityNm>San Antonio</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
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        <RecipientEIN>746002070</RecipientEIN>
        <IRCSectionDesc>City of San Antonio</IRCSectionDesc>
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        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
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      <RecipientTable>
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        <USAddress>
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          <CityNm>San Antonio</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
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        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
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        <USAddress>
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          <CityNm>San Antonio</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>78229</ZIPCd>
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        <RecipientEIN>741586031</RecipientEIN>
        <IRCSectionDesc>School</IRCSectionDesc>
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        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
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      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The assistance amounts listed are provided to the entities as donations in accordance with the applicable stated purposes of Southwest Research Institute. Grants are provided to tax-exempt organizations for general support purposes. Scholarships are monitored by Scholarship Management Services.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
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        <PersonNm>Michael K McLelland</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
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        <PersonNm>Harold F Levinson</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Anthony Magaro</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Brian J Schimmoller</PersonNm>
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        <PersonNm>Michael MacNaughton</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Ben H Thacker</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jim R Keys</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>J Dan Bates-See Sch J Part III</PersonNm>
        <TitleTxt>Director/Former Pres- Ret.</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Linda Boehme</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Delia Aguilar</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Joe A McDonough</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Byrl B Brockman</PersonNm>
        <TitleTxt>Assistant Treasurer</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kenneth H Bennett Jr</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mary Massey</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>First class or charter travel: The Institute's travel policy generally does not permit first class or charter travel. There are a small number of exceptions for approved medical accomodations or other business required special circumstances. Tax indemnification and gross-up payments: SwRI provided additional cash compensation (reported on the W-2 and Schedule J) to partially offset the economic impact of a grandfathered taxable benefit to one officer. This represents .26% of total officer compensation. Health or social club dues/fees: SwRI reimburses the membership cost for one officer at a social club. The personal portion is included in compensation and any charges related to personal use are paid by the officer.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Also referencing Form 990, Part VII, Sec. A., Col. (D) and Schedule J, Part II, Col. (B) regarding J. Dan Bates. The Institute has a noncontributory defined benefit pension plan, which is a grandfathered 457 plan, that was granted to Institute officers who were employed as of April 30, 1981. Benefits are provided through a group annuity contract. The last active participant, J. Dan Bates, retired in September, 2014. He will receive a monthly benefit for his lifetime, with a twenty-year guarantee. The actual benefit paid in 2022 was $301,981. Additionally, he received Director's Fees of $39,250.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>The Institute has Officer and Executive Incentive Compensation Plans which are subject to oversight by the Compensation Committee and the Board of Directors. The plans are based on the Institute's mission and use both strategic and operational performance metrics as the basis for annual nonfixed payments, if any. All amounts paid under the incentive plans are reviewed and approved by the Board Compensation Committee. Incentive compensation is paid to other employees, including one of the five highest compensated employees, as determined by internal management. Amounts paid during calendar year 2022 are shown on Sch. J, Part II, Col. (B)(ii).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
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        <NameOfInterested>
          <PersonNm>Heather Bates</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Family member of J. Dan Bates,Director/Former President</RelationshipDescriptionTxt>
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        <TransactionDesc>Employment - Amount of transaction includes gross wages and employer provided retirement and fringe benefits.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Shannon Dellenback</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Family member of Steven W. Dellenback, Vice President</RelationshipDescriptionTxt>
        <TransactionAmt>10755</TransactionAmt>
        <TransactionDesc>Employment - Amount of transaction includes gross wages and employer provided retirement and fringe benefits.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Julia Fey</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Family member of Walter D. Downing Jr., Executive Vice President and COO</RelationshipDescriptionTxt>
        <TransactionAmt>110653</TransactionAmt>
        <TransactionDesc>Employment - Amount of transaction includes gross wages and employer provided retirement and fringe benefits.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Carter Schmitz</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Family member of Adam Hamilton, President and CEO</RelationshipDescriptionTxt>
        <TransactionAmt>65935</TransactionAmt>
        <TransactionDesc>Employment - Amount of transaction includes gross wages and employer provided retirement and fringe benefits.</TransactionDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The bylaws, which were amended effective July 31, 2023, expanded the classifications of Board Members to add and define External Director, an addition to the Independent Director classification, and to describe the compensation, voting and committee membership available to External Directors. Board composition was updated to require the majority of Board Members qualify as Independent Directors. The definition of Officers was expanded to specifically include the title of Senior Vice President.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>A summary of Form 990 was reviewed with the Audit Committee of the Board of Directors. Schedule J compensation data was reviewed with the Compensation Committee. A copy of the completed Form 990, including all schedules, was electronically provided to all board members prior to filing.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>Directors and Officers of the organization are obligated under the conflict of interest policy to report all conflicts, to disclose all interests that could arise to conflicts, and all covered family and business relationships when completing the required annual disclosure questionnaire. The General Counsel's Office monitors the conflict of interest policy and reviews the annual disclosure questionnaires. Potential conflicts of interest are reviewed by the non-interested directors or committee members. Failure to disclose a conflict of interest will result in appropriate disciplinary and corrective action as determined by the Board or committee.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>Determination of Compensation: SwRI's strategy is to provide compensation that is fair, reasonable, and consistent with compensation paid for similar work in relevant labor areas and with compensation paid by Institute competitors in the markets for scientific research and development (R&amp;D) and other technical services. The principal compensation authority is vested with the Board of Directors; however, the President of the Institute retains the authority to determine how various programs will be structured and administered subject to the oversight of the Compensation Committee of the Board of Directors. The Committee uses reputable compensation survey data, gathered annually, to compare the compensation of Officers to peer groups, within the relevant market segments, targeting an appropriate percentile corresponding to performance both for the year in question, and considering longer-term performance trends for total compensation. This review shall include comparative analysis of compensation paid by the Institute to compensation paid by local, sector, and national applied research and development organizations of similar size, both for profit and nonprofit organizations. The Committee engages the services of an external compensation advisor when conducting such comparability studies. Compensation Committee Review and Approval: The Board of Director delegates to the Committee the responsibility, in consultation with the President to review, approve and inform the Board of Directors of the changes in annual compensation and benefits for all Officers, except the President and Executive Vice President. The Committee will review the performance of the President and Executive Vice President and make a recommendation to the Board of Director for the total compensation for both of these officers. Adequate documentation is created contemporaneously and maintained to substantiate the basis for the Committee's and the Board of Directors' determination of total compensation for the President and all other Officers.</ExplanationTxt>
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        <ExplanationTxt>The organization's governing documents, conflict of interest policy and financial statements are available to the public upon written request to the organization's Treasurer.</ExplanationTxt>
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