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  <element id="lmt_DefinedBenefitPlansTotalFairValueOfPlanAssetExcludingReceivables" name="DefinedBenefitPlansTotalFairValueOfPlanAssetExcludingReceivables" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="lmt_DefinedBenefitPlanHealthCareCostTrendRateUsedForCurrentFiscalYear" name="DefinedBenefitPlanHealthCareCostTrendRateUsedForCurrentFiscalYear" nillable="true" type="us-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="lmt_DefinedBenefitPlanAmortizationOfNetGainsLossesNetOfTax" name="DefinedBenefitPlanAmortizationOfNetGainsLossesNetOfTax" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="lmt_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCreditNetOfTax" name="DefinedBenefitPlanAmortizationOfNetPriorServiceCostCreditNetOfTax" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="lmt_NonQualifiedPensionPlansMember" name="NonQualifiedPensionPlansMember" nillable="true" type="us-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="lmt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisRealizedGainsLossesNetOnPlanAssets" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisRealizedGainsLossesNetOnPlanAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="lmt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisUnrealizedGainsLossesNetOnPlanAssets" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisUnrealizedGainsLossesNetOnPlanAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="lmt_ValueOfOurCommonStockIncludedInEquitySecuritiesOfPlanAssets" name="ValueOfOurCommonStockIncludedInEquitySecuritiesOfPlanAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="lmt_PercentageOfValueOfOurCommonStockIncludedInEquitySecuritiesToTotalPlanAssets" name="PercentageOfValueOfOurCommonStockIncludedInEquitySecuritiesToTotalPlanAssets" nillable="true" type="us-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
</schema>
