One of World War I's biggest mysteries has finally been solved after a 103-year search.
On Sep. 14, 1914, Australia's first submarine, the HMAS AE1, disappeared off the coast of Rabaul, Papua New Guinea.
It followed a successful mission to help capture what was then known as German New Guinea, and was the first loss for what was a young Royal Australian Navy.
35 crew members went missing without a trace.
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Australian navy submarine AE1 found after being lost since World War I
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The HMAS AE1 has been discovered after more than a dozen expeditions.
The HMAS AE1 has been discovered after more than a dozen expeditions.
IMAGE: DEPARTMENT OF DEFENCE
BY JOHNNY LIEU
4 DAYS AGO
One of World War I's biggest mysteries has finally been solved after a 103-year search.
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
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It followed a successful mission to help capture what was then known as German New Guinea, and was the first loss for what was a young Royal Australian Navy.
35 crew members went missing without a trace.
The AE1.
The AE1.
IMAGE: DEPARTMENT OF DEFENCE
That's until an expedition this week, the 13th search for the submarine, which located the AE1 on Wednesday off the coast of the Duke of York Island group, in east Papua New Guinea.
The search vessel, Fugro Equator, found an object of interest in waters 300 metres (328 yards) deep, which was later confirmed to be the AE1. The cause of why the AE1 sank is yet to be determined.
