They had survived a mission that even the crew themselves had rated as having only a fifty-fifty chance of fully succeeding.
ðeɪ hæd sɚvˈaɪvd ɐ mˈɪʃən ðæt ˈiːvən ðə kɹˈuː ðɛmsˈɛlvz hæd ɹˈeɪɾᵻd æz hˌævɪŋ ˈoʊnli ɐ fˈɪftifˈɪfti tʃˈæns ʌv fˈʊli səksˈiːdɪŋ.