The Secret Code-Breakers of Central Bureau: how Australia's signals-intelligence network helped win the Pacific War

Alan Turing saved millions of lives. But Bletchley Park wasn’t the only major code-breaking operation during World War II. Down under, there was Central Bureau.

Central Bureau — Australia’s own large and sophisticated intelligence network, built from scratch. It was this group of mathematicians, code-breakers, and radio experts who intercepted the travel plans of the architect of the Pearl Harbor attack, Admiral Yamamoto, leading to his ambush and death. Australian signals intelligence also...