<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created by RR Donnelley IM Processor 5.0.0.0 using Fujitsu Interstage XWand-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityConservativeIncomeBondFundInstitutional" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityConservativeIncomeBondFundInstitutional" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityIntermediateBondFund" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityIntermediateBondFund" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityConservativeIncomeBondFund" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityConservativeIncomeBondFund" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityCorporateBondFund" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityCorporateBondFund" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityCorporateBondFundInstitutional" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityCorporateBondFundInstitutional" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelitySeriesInvestmentGradeBondFund" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelitySeriesInvestmentGradeBondFund" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityInvestmentGradeBondFund" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityInvestmentGradeBondFund" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityCorporateBondFundClassATC" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityCorporateBondFundClassATC" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelitySeriesInvestmentGradeBondFundClassF" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelitySeriesInvestmentGradeBondFundClassF" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualClassOperatingExpensesFidelityInvestmentGradeBondFundClassATBC" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualClassOperatingExpensesFidelityInvestmentGradeBondFundClassATBC" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityShort-TermBondFundClassF" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityShortTermBondFundClassF" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityShort-TermBondFund" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesFidelityShortTermBondFund" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesSpartanU.S.BondIndexFundClassF" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesSpartanUSBondIndexFundClassF" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesSpartanU.S.BondIndexFund" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesSpartanUSBondIndexFund" />
  <roleRef roleURI="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesSpartanU.S.BondIndexFundInstitutional" xlink:type="simple" xlink:href="fsst2-20121029.xsd#ScheduleAnnualFundOperatingExpensesSpartanUSBondIndexFundInstitutional" />
  <calculationLink xlink:type="extended" xlink:role="http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityConservativeIncomeBondFundInstitutional" xlink:title="000023 - Schedule - Annual Fund Operating Expenses {- Fidelity Conservative Income Bond Fund Institutional}">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_NetExpensesOverAssets" xlink:label="NetExpensesOverAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpensesOverAssets" xlink:label="ExpensesOverAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetExpensesOverAssets" xlink:to="ExpensesOverAssets" order="20.0" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ManagementFeesOverAssets" xlink:label="ManagementFeesOverAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ExpensesOverAssets" xlink:to="ManagementFeesOverAssets" order="10.0" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_DistributionAndService12b1FeesOverAssets" xlink:label="DistributionAndService12b1FeesOverAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ExpensesOverAssets" xlink:to="DistributionAndService12b1FeesOverAssets" order="20.0" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_OtherExpensesOverAssets" xlink:label="OtherExpensesOverAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ExpensesOverAssets" xlink:to="OtherExpensesOverAssets" order="30.0" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_FeeWaiverOrReimbursementOverAssets" xlink:label="FeeWaiverOrReimbursementOverAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetExpensesOverAssets" xlink:to="FeeWaiverOrReimbursementOverAssets" order="10.0" weight="1" />
  </calculationLink>
</linkbase>
