| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<!-- Produced by EDGARsuite software, Advanced Computer Innovations, Inc., Copyright (C) 2008-2022 [PPXK5GW761L0VG1D6RKU]. www.edgarsuite.com --> |
<link:linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:fil="http://sector10.com/20220630" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance"> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DocumentDocumentAndEntityInformation" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DocumentDocumentAndEntityInformation"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DocumentDocumentAndEntityInformation"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_StatementUnauditedCondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_StatementUnauditedCondensedConsolidatedBalanceSheets"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_StatementUnauditedCondensedConsolidatedBalanceSheets"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_StatementUnauditedCondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_StatementUnauditedCondensedConsolidatedBalanceSheetsParenthetical"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_StatementUnauditedCondensedConsolidatedBalanceSheetsParenthetical"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_StatementUnauditedCondensedConsolidatedStatementsOfOperations" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_StatementUnauditedCondensedConsolidatedStatementsOfOperations"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_StatementUnauditedCondensedConsolidatedStatementsOfOperations"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_StatementConsolidatedStatementsOfCashFlows" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_StatementConsolidatedStatementsOfCashFlows"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_StatementConsolidatedStatementsOfCashFlows"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote1BasisOfPresentation" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote1BasisOfPresentation"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote1BasisOfPresentation"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote2Inventory" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote2Inventory"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote2Inventory"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayable" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayable"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayable"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote4Equity" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote4Equity"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote4Equity"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote5GoingConcern" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote5GoingConcern"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote5GoingConcern"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote6IncomeTax" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote6IncomeTax"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote6IncomeTax"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote7SubsequentEvents" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote7SubsequentEvents"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote7SubsequentEvents"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote6IncomeTaxIncomeTaxPolicyPolicies" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote6IncomeTaxIncomeTaxPolicyPolicies"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote6IncomeTaxIncomeTaxPolicyPolicies"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableInterestExpenseDisclosureTables" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayableInterestExpenseDisclosureTables"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableInterestExpenseDisclosureTables"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfDebtTableTextblockTables" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayableScheduleOfDebtTableTextblockTables"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfDebtTableTextblockTables"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfMaturitiesOfNotesPayableTables" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayableScheduleOfMaturitiesOfNotesPayableTables"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfMaturitiesOfNotesPayableTables"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote2InventoryDetails" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote2InventoryDetails"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote2InventoryDetails"/> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableDetails" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayableDetails"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableDetails"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_DebtInstrumentAxis" use="optional" order="1.0" xbrldt:contextElement="segment"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" use="optional" order="1.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain_1"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain_1" use="optional" order="1.0" xbrldt:contextElement="segment"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_VariousIndividualsMember" xlink:label="fil_VariousIndividualsMember"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="fil_VariousIndividualsMember" use="optional" order="1.0"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_OtherNotesMember" xlink:label="fil_OtherNotesMember"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="fil_OtherNotesMember" use="optional" order="2.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" order="0.5" xbrldt:closed="true" xbrldt:contextElement="segment" use="optional"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_InterestAccrued" xlink:label="fil_InterestAccrued"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="fil_InterestAccrued" use="optional" order="1.0"/> |
| | </link:definitionLink> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableInterestExpenseDisclosureDetails" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayableInterestExpenseDisclosureDetails"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableInterestExpenseDisclosureDetails"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_DebtInstrumentAxis" use="optional" order="1.0" xbrldt:contextElement="segment"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" use="optional" order="1.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain_1"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain_1" use="optional" order="1.0" xbrldt:contextElement="segment"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_VariousIndividualsMember" xlink:label="fil_VariousIndividualsMember"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="fil_VariousIndividualsMember" use="optional" order="1.0"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_OtherNotesMember" xlink:label="fil_OtherNotesMember"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="fil_OtherNotesMember" use="optional" order="2.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" order="0.5" xbrldt:closed="true" xbrldt:contextElement="segment" use="optional"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_InterestExpense" use="optional" order="1.0"/> |
| | </link:definitionLink> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfDebtTableTextblockDetails" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayableScheduleOfDebtTableTextblockDetails"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfDebtTableTextblockDetails"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_DebtInstrumentAxis" use="optional" order="1.0" xbrldt:contextElement="segment"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" use="optional" order="1.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain_1"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain_1" use="optional" order="1.0" xbrldt:contextElement="segment"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_JohnsonFinancingMember" xlink:label="fil_JohnsonFinancingMember"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="fil_JohnsonFinancingMember" use="optional" order="1.0"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_VariousIndividualsMember" xlink:label="fil_VariousIndividualsMember"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="fil_VariousIndividualsMember" use="optional" order="2.0"/> |
| | <link:loc xlink:type="locator" xlink:href="seci-20220630.xsd#fil_OtherNotesMember" xlink:label="fil_OtherNotesMember"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="fil_OtherNotesMember" use="optional" order="3.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" order="0.5" xbrldt:closed="true" xbrldt:contextElement="segment" use="optional"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayableCurrent" xlink:label="us-gaap_NotesPayableCurrent"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NotesPayableCurrent" use="optional" order="1.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermNotesPayable" xlink:label="us-gaap_LongTermNotesPayable"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LongTermNotesPayable" use="optional" order="2.0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayable" xlink:label="us-gaap_NotesPayable"/> |
| | <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NotesPayable" use="optional" order="3.0"/> |
| | </link:definitionLink> |
| <link:roleRef roleURI="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfMaturitiesOfNotesPayableDetails" xlink:type="simple" xlink:href="seci-20220630.xsd#idr_DisclosureNote3NotesPayableScheduleOfMaturitiesOfNotesPayableDetails"/> |
| <link:definitionLink xlink:type="extended" xlink:role="http://sector10.com/20220630/role/idr_DisclosureNote3NotesPayableScheduleOfMaturitiesOfNotesPayableDetails"/> |
| </link:linkbase> |