stˈeɪʃən kˈæst æt mɐnˈɪlə ɪnðə fˈɪlᵻpˌiːnz, stˈeɪʃən hˈaɪpoʊ pˈɜːl hˈɑːɹbɚ, həwˈaɪiː ˌoʊpˈiː twˈɛnti dˈæʃ zˈiəɹoʊ tˈuː, ænd ˌoʊpˈiː twˈɛntidʒˈiː ɪtsˈɛlf ɪn wˈɑːʃɪŋtən, ʃˈɛɹd kɹɪptˌænɐlˈɪɾɪk dˈuːɾiz.
Station CAST (at Manila in the Philippines), Station HYPO (Pearl Harbor, Hawaii) OP-20-02, and OP-20-G itself in Washington, shared cryptanalytic duties.