ðɪs ˈɛfɚt klˈaɪmækst ɪnðə lˈæst wˈiːk ʌv mˈeɪ wɪððə dᵻkɹˈɪpʃən ʌv ɪnˈʌf dʒˌeɪˈɛn twˈɛnti fˈaɪv tɹˈæfɪk tʊ ˌʌndɚstˈænd ðə dʒˌæpənˈiːz ɐtˈæk plˈæn æt mˈɪdweɪ ɪn sˌʌm, bˌʌt nˌɑːt kəmplˈiːt diːtˈeɪl.
This effort climaxed in the last week of May with the decryption of enough JN-25 traffic to understand the Japanese attack plan at Midway in some, but not complete detail.