1 harryiputtogetherateamofwomenfromthecomputingdivisionhereatkennedyandwehavespentmostofthelasteighteenmonthscombingthroughmissionfilesandcomputerprintoutslookingformorecluestothesourceoftheoxygentankexplosiononboardapolloxiiiandithinkwehavefinallyworkedoutwhathappenedthetankcontainingthesourceoftheexplosionwasoriginallyinstalledinapolloxbutremovedformodificationduringthatprocessitgotdroppedsoitwasheldbackforfurthertestsandareplacementfittedforthatflightonceithadpassedinspectionthetankwasreturnedtoserviceandearmarkedforodysseyfurtherupgradeswerecarriedouttoallowittorunoffgroundpowerduringfitoutattwicethespaceshipvoltageandthehigherpowerwasusedtoboiloffexcessoxygenduringgroundtestsunfortunatelyitlookslikethethermostaticswitchesinthetankwereoverlookedduringthevoltageupgradeandourbestguessisthattheyfusedclosedduringtheboiloffallowingthetemperaturetorisetooverathousanddegreesyoumightthinkthetestengineerswouldhavenoticedthatbutsincethetankoperatingtemperaturewassupposedtobesomewherewellbelowzerothedialonlywentasfaraspluseightysonoonewouldhavenoticedoperatingthatfaroutofnormalrangeitisamiraclethetanklastedaslongasitdidandthataddstotheimpressionthatthiswasasimpleaccidentachainofeventsthatcouldnothavebeenforeseenbutthecomputerfilestelladifferentstorywefoundtwoversionsoftheupgradereportwhichwaswrittentodetailtheproceduresformodifyingtheelectricalsystemonthetankthefirstgivesacomprehensivelistofthecablingswitchgearandcontrolsystemsthatneededtobehardenedforthegroundbasedvoltageitlistseverycriticalcomponentexceptthethermostaticvalvesthisdocumentwasfiledintheservicerecordsoweknowitwastheofficialrecordbutthechiefsystemsengineerwhosigneditoffsaysthesignatureonitisabadcopyofhisownwefoundidenticalcopiesinseveralmissionfilesbothinthemanufacturersrecordsandatkennedywheresomeofthetestswerecarriedoutsoitisclearthatthiswastheofficialversionusedintheupgradethesecondversionappearedtobethesamedocumentbutitincludedthethermostaticvalvesonthelistofcomponentstobechangedandthetemperaturegaugelimitswerecircledseveraltimeswithanexclamationmarknexttotheeightydegreeceilingitlookslikeoursaboteurdeliberatelyarrangedforthetanktobemisconfiguredinanefforttocausetroubleforthemissionalthoughwecantbesuretheyrealisedhowdangerousthiswaswhenweputittogetherwithalltheotheraccidentsitisprettyclearthiswasanotherdeliberateattackontheprogramwefoundthesecondversionofthereportinaboxunderthefloorboardsinmikesplaceisupposeitispossiblethatmikehadstumbledacrossthedocumenthimselfandwasinvestigatingitaspartofhiscampaigntoprovethattherussianswerebehindthisstringofproblemsbutattheveryleastheisguiltyofamajormisjudgementandiftheastronautshaddiedhewouldhavebeentriedformanslaughterasitistogetherwiththeleakchargeshewillbegoingtoprisonforaverylongtimeofcoursetheevidenceisstilllargelycircumstantialwecandefinitelytiehimtotheleaktothenewspaperforensicsmatchedthetypewriterribbonandtypecharacteristicsonhistypewriterwiththeinkandimpressionsonthelettertotheeditorbutwestillcannotshowconclusivelythathedirectedorcarriedoutanyofthesabotageattemptsandwehavenotbeenabletofindanyoneelsewhohadbothmotiveandopportunitysoheisourbestsuspectiamnotsurewecanentirelyrelaxbutwithnosignificantincidentsonapolloxivtoxviandwithmikeincustodyifeelslightlylessworriedabouttheremainingapolloflightwearestilltryingtocrackthatotherenciphereddocumentwefoundinmikesplaceithasaverystrangealphabetwhichithinkmustbesignificantbuticantquiteseehowtobreakityetnowthatthenasacomputingexpertshavemoretimeiamhopingthatweshouldbeabletodecipheritandthatitwillshedsomemorelightonmikesthinkingmoreimportantlyitmighttelluswhatelseifanythinghehadplannedmeg