<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <previousAccessionNumber>0001172661-20-000389</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Newport Trust Company, LLC -->
          <cik>0001722329</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>5</amendmentNo>
      <securitiesClassTitle>Common Stock, $1.00 Par Value Per Share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000275880</issuerCik>
        <issuerName>Parsons Corporation</issuerName>
        <issuerCusip>70202L102</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>14291 Park Meadow Drive</com:street1>
          <com:street2>Suite 100</com:street2>
          <com:city>Chantilly</com:city>
          <com:stateOrCountry>VA</com:stateOrCountry>
          <com:zipCode>20151</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Newport Trust Company, LLC</reportingPersonName>
      <citizenshipOrOrganization>NH</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>53506167.00</sharedVotingPower>
        <soleDispositivePower>53506167.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>53506167.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>50.39</classPercent>
      <typeOfReportingPerson>BK</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Parsons Corporation</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>14291 Park Meadow Drive, Suite 100, Chantilly, VA 20151</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Newport Trust Company, LLC</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>1627 Eye Street, NW, Suite 950, Washington, DC 20006</principalBusinessOfficeOrResidenceAddress>
        <citizenship>United States</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>BK</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>53506167</amountBeneficiallyOwned>
        <classPercent>50.39</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>0</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>53506167</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>53506167</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>0</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Newport Trust Company, LLC</reportingPersonName>
      <signatureDetails>
        <signature>William E. Ryan III</signature>
        <title>William E. Ryan III | CEO, President and Chief Fiduciary Officer</title>
        <date>02/06/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
