The S-IVB third stage of Saturn V AS-506 had arrived on January 18, followed by the S-II second stage on February 6, S-IC first stage on February 20, and the Saturn V Instrument Unit on February 27.
ðɪ ˈɛsˌaɪvˌiːbˈiː θˈɜːd stˈeɪdʒ ʌv sˈæɾɜːn vˈiː æz fˈaɪvhˈʌndɹɪd sˈɪks hæd ɚɹˈaɪvd ˌɔn dʒˈænjuːˌɛɹi ˈeɪtiːn, fˈɑːloʊd baɪ ðɪ ˈɛsɹˌoʊmən tˈuː sˈɛkənd stˈeɪdʒ ˌɔn fˈɛbɹuːˌɛɹi sˈɪks, ˈɛsˌaɪsˈiː fˈɜːst stˈeɪdʒ ˌɔn fˈɛbɹuːˌɛɹi twˈɛnti, ænd ðə sˈæɾɜːn vˈiː ˈɪnstɹəmənt jˈuːnɪt ˌɔn fˈɛbɹuːˌɛɹi twˈɛnti sˈɛvən.