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  <xs:element id="yss_December312026Member" abstract="true" name="December312026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_March312027Member" abstract="true" name="March312027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_June302027Member" abstract="true" name="June302027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_September302027Member" abstract="true" name="September302027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_December312027Member" abstract="true" name="December312027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_March312028Member" abstract="true" name="March312028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_June302028Member" abstract="true" name="June302028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_September302028Member" abstract="true" name="September302028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_DebtInstrumentCovenantComplianceMinimumRevenueThresholdAmount" abstract="false" name="DebtInstrumentCovenantComplianceMinimumRevenueThresholdAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="yss_TaxReceivableAgreementPercentage" abstract="false" name="TaxReceivableAgreementPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="yss_TaxReceivableAgreementEstimatedAttributes" abstract="false" name="TaxReceivableAgreementEstimatedAttributes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="yss_TaxReceivableAgreementEarlyTerminationLiabilityDiscountedRate" abstract="false" name="TaxReceivableAgreementEarlyTerminationLiabilityDiscountedRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="yss_TaxReceivableAgreementEstimatedTerminationLiability" abstract="false" name="TaxReceivableAgreementEstimatedTerminationLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="yss_YellowstoneUltimateHoldingsLPHoldingsMember" abstract="true" name="YellowstoneUltimateHoldingsLPHoldingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_MidcoHoldingsIILLCMember" abstract="true" name="MidcoHoldingsIILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_MidcoHoldingsILLCMember" abstract="true" name="MidcoHoldingsILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_TemporaryEquityShareSubscriptionsPricePerShare" abstract="false" name="TemporaryEquityShareSubscriptionsPricePerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="yss_TemporaryEquityPreferredYield" abstract="false" name="TemporaryEquityPreferredYield" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="yss_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" abstract="false" name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="yss_OmnibusPlanMember" abstract="true" name="OmnibusPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfInstallment" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfInstallment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="yss_CommonStockConvertedFromCommonUnitsMember" abstract="true" name="CommonStockConvertedFromCommonUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_OfficeSpaceLeaseWithMetropolitanStateUniversityMember" abstract="true" name="OfficeSpaceLeaseWithMetropolitanStateUniversityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_AEIndustrialPartnersMember" abstract="true" name="AEIndustrialPartnersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_RelatedPartyTransactionAnnualConsultingFeeAmount" abstract="false" name="RelatedPartyTransactionAnnualConsultingFeeAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="yss_RelatedPartyTransactionAgreementOwnershipThresholdPercentage" abstract="false" name="RelatedPartyTransactionAgreementOwnershipThresholdPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="yss_RelatedPartyTransactionShareholderProvidedEngineeringServicesNumberOfRelatedParty" abstract="false" name="RelatedPartyTransactionShareholderProvidedEngineeringServicesNumberOfRelatedParty" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="yss_RelatedPartyTransactionOfficerProvidedOfficeAndManufacturingBuildoutNumberOfRelatedParty" abstract="false" name="RelatedPartyTransactionOfficerProvidedOfficeAndManufacturingBuildoutNumberOfRelatedParty" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="yss_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="yss_All.SpaceHoldingsInc.Member" abstract="true" name="All.SpaceHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
