The wreck of the submarine HMAS AE1 is the country's oldest, and one of its most significant, military mysteries, Australia's Department of Defence said in a statement Thursday. The AE1 became the ...

On Sep. 14, 1914, Australia's first submarine, the HMAS AE1, disappeared off the coast of Rabaul, Papua New Guinea. SEE ALSO: Discovery of World War II shipwreck ends a 74-year mystery It followed ...

The AE1 vanished off the New Guinean island of New Britain on September 14, 1914, with 35 crew aboard from Australia, New Zealand and Britain. It was the first Allied submarine loss of the war and ...