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      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.875% 01/15/2029</title>
        <cusip>9128285W6</cusip>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
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        <cusip>912828Y38</cusip>
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          <isin value="US912828Y388"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
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        <cusip>912810PV4</cusip>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1% 02/15/2049</title>
        <cusip>912810SG4</cusip>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.625% 02/15/2043</title>
        <cusip>912810RA8</cusip>
        <identifiers>
          <isin value="US912810RA88"/>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 2/15/41</title>
        <cusip>912810QP6</cusip>
        <identifiers>
          <isin value="US912810QP66"/>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.875% 2/15/47</title>
        <cusip>912810RW0</cusip>
        <identifiers>
          <isin value="US912810RW09"/>
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        <curCd>USD</curCd>
        <valUSD>156053878.32000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2031</title>
        <cusip>91282CBF7</cusip>
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          <isin value="US91282CBF77"/>
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        <balance>627583900.00000000</balance>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 3.875% 4/15/29</title>
        <cusip>912810FH6</cusip>
        <identifiers>
          <isin value="US912810FH69"/>
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        <balance>101957400.00000000</balance>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 07/15/2031</title>
        <cusip>91282CCM1</cusip>
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          <isin value="US91282CCM10"/>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.25% 07/15/2029</title>
        <cusip>9128287D6</cusip>
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          <isin value="US9128287D64"/>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2032</title>
        <cusip>91282CDX6</cusip>
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          <isin value="US91282CDX65"/>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1% 2/15/46</title>
        <cusip>912810RR1</cusip>
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          <isin value="US912810RR14"/>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.375% 07/15/2027</title>
        <cusip>9128282L3</cusip>
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          <isin value="US9128282L36"/>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 2/15/40</title>
        <cusip>912810QF8</cusip>
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          <isin value="US912810QF84"/>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.75% 2/15/42</title>
        <cusip>912810QV3</cusip>
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          <isin value="US912810QV35"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.5% 1/15/29</title>
        <cusip>912810PZ5</cusip>
        <identifiers>
          <isin value="US912810PZ57"/>
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        <balance>111719900.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>166712003.00000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2029-01-15</maturityDt>
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          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2030</title>
        <cusip>912828Z37</cusip>
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          <isin value="US912828Z377"/>
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        <balance>500152000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>542164181.32000000</valUSD>
        <pctVal>5.897046987748</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.375% 01/15/2027</title>
        <cusip>912828V49</cusip>
        <identifiers>
          <isin value="US912828V491"/>
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        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>46076.57000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00375000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 02/15/2052</title>
        <cusip>912810TE8</cusip>
        <identifiers>
          <isin value="US912810TE82"/>
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        <balance>391600000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>292658565.25000000</valUSD>
        <pctVal>3.183207910276</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2052-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 3.625 4/15/28</title>
        <cusip>912810FD5</cusip>
        <identifiers>
          <isin value="US912810FD55"/>
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        <balance>94419600.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>194988421.01000000</valUSD>
        <pctVal>2.120862868445</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03625000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Fidelity Revere Street Trust</name>
        <lei>549300BDV45LJNXBZC55</lei>
        <title>Fidelity Cash Central Fund</title>
        <cusip>31635A105</cusip>
        <identifiers>
          <isin value="US31635A1051"/>
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        <balance>24679905.41800000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24684841.40000000</valUSD>
        <pctVal>0.268493704741</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.75% 02/15/2045</title>
        <cusip>912810RL4</cusip>
        <identifiers>
          <isin value="US912810RL44"/>
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        <balance>239437000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>259378685.09000000</valUSD>
        <pctVal>2.821227123252</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2045-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00750000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1% 02/15/2048</title>
        <cusip>912810SB5</cusip>
        <identifiers>
          <isin value="US912810SB52"/>
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        <balance>154336000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>166963807.02000000</valUSD>
        <pctVal>1.816042905772</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2048-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.125% 01/15/2033</title>
        <cusip>91282CGK1</cusip>
        <identifiers>
          <isin value="US91282CGK18"/>
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        <balance>287600000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>288286868.75000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2033-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01125000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.375% 1/15/27</title>
        <cusip>912810PS1</cusip>
        <identifiers>
          <isin value="US912810PS15"/>
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        <balance>83100.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>127799.77000000</valUSD>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02375000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 02/15/2051</title>
        <cusip>912810SV1</cusip>
        <identifiers>
          <isin value="US912810SV17"/>
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        <balance>293557000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>233970918.15000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
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          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.375% 02/15/2044</title>
        <cusip>912810RF7</cusip>
        <identifiers>
          <isin value="US912810RF75"/>
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        <balance>222516000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>276960511.95000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2044-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01375000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2023-04-30</ncom:dateSigned>
      <ncom:nameOfApplicant>Laura M. Del Prato</ncom:nameOfApplicant>
      <ncom:signature>Laura M. Del Prato</ncom:signature>
      <ncom:signerName>Laura M. Del Prato</ncom:signerName>
      <ncom:title>President and Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
