Akwai jita-jita cewa Armstrong zai iya ceton aikin idan ya kunna ɗaya daga cikin zoben RCS guda biyu, yana adana ɗayan don manufofin manufa. Waɗannan suka ba su da tushe; ba a rubuta hanyoyin rashin aiki ba, kuma yana yiwuwa a kunna zoben RCS guda biyu kawai, ba ɗaya ko ɗaya ba. Kanal Gene Kranz ya rubuta, "Ma'aikatan jirgin sun amsa kamar yadda aka horar da su, kuma sun amsa ba daidai ba saboda mun horar da su ba daidai ba. " Masu tsara aikin da masu kula da aikin sun kasa fahimtar cewa lokacin da aka haɗa jiragen sama guda biyu, dole ne a yi la'akari da su a matsayin jirgin sama guda ɗaya. Kranz ya ɗauki wannan darasi mafi mahimmanci na aikin. Armstrong ya yi baƙin ciki da aka yanke aikin, ya soke mafi yawan manufofi kuma ya saci Scott E.
biyu