On the return to Earth, a bearing at the Guam tracking station failed, potentially preventing communication on the last segment of the Earth return.
ɔnðə ɹᵻtˈɜːn tʊ ˈɜːθ, ɐ bˈɛɹɪŋ æt ðə ɡwˈɑːm tɹˈækɪŋ stˈeɪʃən fˈeɪld, pətˈɛnʃəli pɹɪvˈɛntɪŋ kəmjˌuːnɪkˈeɪʃən ɔnðə lˈæst sˈɛɡmənt ʌvðɪ ˈɜːθ ɹᵻtˈɜːn.