Just minutes after crew members aboard the Australian submarine signaled about diminishing visibility, the vessel disappeared into the fog. During WWI, Australia’s first submarine, HMAS AE1 ...

The HMAS AE1 was Australia's first submarine. Lost at sea in 1914, it was found this week.

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 HMAS AE1, a WWI-era submarine, vanished on Sept. 14, 1914, with 35 crew members on board off the coast of Rabaul, Papua New Guinea.

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 ...

HMAS AE1 fin and implosion rubble over control room. (Supplied: Paul G.Allen, Find AE1, ANMM, Curtin University, Navigea Ltd) "Amazingly, the stern cap, the opening on the rear torpedo tube is ...

HMAS AE1, disappeared on 14 September, 1914 near the Duke of York Islands with 35 crew members from Australia, Britain and New Zealand on board Credit: Australian War Memorial. 9.

One of World War I's biggest mysteries has been solved after a 103-year search for Australia's first submarine, the HMAS AE1, ended off Papua New Guinea.

HMAS AE1, disappeared on 14 September, 1914 near the Duke of York Islands with 35 crew members from Australia, Britain and New Zealand on board Credit: Australian War Memorial. 9.

The Royal Australian Navy submarine HMAS AE1, which was carrying 35 crew members from Australia, Britain and New Zealand, sank near Rabaul on the island of New Britain on September 14, 1914.

Australia's first submarine, HMAS AE1, disappeared off the coast of Papua New Guinea in 1914. Now it has finally been found, solving a century-old maritime mystery.

“The loss of AE1 with her entire complement of three officers and 32 sailors was the [Royal Australian Navy’s] first major tragedy and it marred an otherwise successful operation to sei… ...