Australian sub missing for 103 years located

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Australia's first submarine, HMAS AE1, has been located - ending a 103-year-old maritime mystery.

The fate of the 800-ton sub and her crew of 35 was one of the persistent mysteries in Australian military history.

Phots show the vessel in waters off Papua, New Guinea, in the Duke of York Islands.

It was the first loss for the Australian Royal Navy and the first Allied submarine loss in World War I.