Tuhia he whakamāramatanga mō tēnei wāhanga - I Bletchley Park i mahi ia i runga i te whakamunatanga o ngā whakamunatanga Enigma tae noa ki tōna matenga i te tau 1943. I hangaia e ia te kapa, i kitea hoki te tikanga i pakaru ai te Italian Naval Enigma, i whakaputa i te maatauranga i whakawhiwhia ki te wikitoria a Allied i te Pakanga o Cape Matapan
He aha? I te tau 1941 i pakaru a Knox i te Abwehr Enigma. I te mutunga o te pakanga, kua tohatohahia e te Ratonga Whakaaturanga Knox 140,800 nga korero a Abwehr, tae atu ki nga korero nui mo te D-Day.