This week marks the 74th anniversary of the Battle of the Bismarck Sea, arguably the most significant action fought by Australians during World War II Between December 1941 and April 1942, Imperial Japanese forces shocked Australians with their victories over the United States at Pearl Harbor and in the Philippines; and over the British Commonwealth in Malaya, Singapore, the Dutch East Indies and Rabaul. When enemy forces occupied northern New Guinea, an invasion of Australia