ðɪs ˌɑːpɚɹˈeɪʃən skˈoːɹpiən bɪkˌeɪm ˈɑːbsəlˌiːt bˌʌt kˈɛɹi sˈiːkɹᵻtli tˈɛstᵻd hɪz plˈæn baɪ ˈɪnfɪltɹˌeɪɾɪŋ tˈaʊnzvɪl hˈɑːɹbɚ, plˈeɪsɪŋ dˈʌmi lˈɪmpɪt mˈaɪnz ˌɔn ɐmˈɛɹɪkən ʃˈɪps.
This operation (Scorpion) became obsolete but Carey secretly tested his plan by infiltrating Townsville harbour, placing dummy limpet mines on American ships.