fɹˈæns dɪdnˌɑːt hæv ðɪ ɐbˈɪləɾi tə pɹədˈuːs ðə mətˈɪɹiəlz nˈiːdᵻd fɚɹə tˈuːstˈeɪdʒ θˈɜːmənˌuːklɪɹ dɪvˈaɪs æt ðə tˈaɪm, sˌoʊ wˈʌnhˈʌndɹɪd fˈɪfti wˈʌn tˈʌnz ʌv hˈɛvi wˈɔːɾɚ wʌz pˈɜːtʃɪst fɹʌm nˈoːɹweɪ ænd ɐn ɐdˈɪʃənəl wˈʌnhˈʌndɹɪd sˈɪksti ˈeɪt tˈʌnz fɹʌmðə juːnˈaɪɾᵻd stˈeɪts.
France did not have the ability to produce the materials needed for a two-stage thermonuclear device at the time, so 151 tons of heavy water was purchased from Norway and an additional 168 tons from the United States.