A Saturn stage IC was equipped with shock-absorbing devices to demonstrate the team's solution to the problem of pogo oscillation, while a Saturn Stage II was retrofitted with modified fuel lines to demonstrate their resistance to leaks and ruptures in vacuum conditions.
ɐ sˈæɾɜːn stˈeɪdʒ ˌaɪsˈiː wʌz ɪkwˈɪpt wɪð ʃˈɑːkɐbsˈoːɹbɪŋ dɪvˈaɪsᵻz tə dˈɛmənstɹˌeɪt ðə tˈiːmz səlˈuːʃən tə ðə pɹˈɑːbləm ʌv pˈoʊɡoʊ ˌɑːsɪlˈeɪʃən, wˌaɪl ɐ sˈæɾɜːn stˈeɪdʒ ɹˌoʊmən tˈuː wʌz ɹˌɛtɹoʊfˈɪɾᵻd wɪð mˈɑːdᵻfˌaɪd fjˈuːəl lˈaɪnz tə dˈɛmənstɹˌeɪt ðɛɹ ɹᵻsˈɪstəns tə lˈiːks ænd ɹˈʌptʃɚz ɪn vˈækjuːm kəndˈɪʃənz.