Report reveals how Australian Navy’s 1st submarine was lost

Australia’s first submarine was most likely lost during an underwater operation off the coast of Papua New Guinea as it returned to Rabaul, according to the findings of a report from the expedition that found the wreck of HMAS AE1.

The submarine was discovered during an expedition led by Find AE1 Limited in December 2017, more than 103 years after it disappeared near the Duke of York Islands in PNG, ending one of Australia’s longest naval mysteries.

Minister for Defence, Senator the Hon Marise Payne, said the images collected during the expedition showed that the boat’s guardrails were stowed and hatches appeared to be shut.

“These first assessments from the expedition indicate that the AE1 was configured to be in a state for underwater operations. The report indicates that the AE1 was probably submerged or diving while she was returning to Rabaul, after a patrol looking for enemy activity around the Duke of York Islands, when tragedy struck,” Minister Payne said.

“Through the tireless efforts of many, we have discovered the final resting place of the 35 souls who gave everything in service to the Allied cause,” Payne added.

The search for HMAS AE1 was supported by the Royal Australian Navy, Silentworld Foundation, the Australian National Maritime Museum, the Submarine Institute of Australia, Fugro Survey, and the Government of Papua New Guinea.

It was the 13th search for the submarine since it vanished on September 14, 1914.

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