Proposed Japanese invasion of Australia during World War II

In early 1942, elements of the Imperial Japanese Navy (IJN) proposed an invasion of mainland Australia. This proposal was opposed by the Imperial Japanese Army and Prime Minister Hideki Tojo, who regarded it as being unfeasible, given Australia's geography and the strength of the Allied defences.

Source: Wikipedia — Proposed Japanese invasion of Australia during World War II (CC BY-SA 4.0)