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  <xs:element id="noc_EBPCashCollateralMember" abstract="true" name="EBPCashCollateralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="noc_EBPNonCashCollateralMember" abstract="true" name="EBPNonCashCollateralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="noc_EBPCollateralPercentageOfFairValue" abstract="false" name="EBPCollateralPercentageOfFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
