World War II sunken ships found off Alaska: they took part in a "forgotten battle"
The wreckage of ships from the "forgotten battle" of World War II was found off the coast of Alaska. An underwater archaeologist managed to find the remains of three warships.
These ships participated in the Japanese invasion of the remote Aleutian Islands of Alaska. Scientists examined the found artifacts, LiveScience reports.
The researchers conducted the latest two-week expedition to Attu aboard the Norseman II, a former crabbing boat that was converted into a research vessel.
Source: Alaska Support Vessels
Interesting details of the find
Marine archaeologist and project co-leader Dominic Bush and his colleagues have spent years exploring Aleutian Island. During another expedition, they managed to find the wreckage of two Japanese cargo ships and the American cable ship SS Dellwood, which laid underwater cables during the war.
A winch on the wreck of the SS Dellwood.
Source: World Scanning Project)
The researchers have teamed up with several strategic partners, including Japan's World Scan Project, which scans the environment and archaeological sites with drones and other robots to learn as much as possible about the wreckage.
Part of the hull of the Japanese cargo ship Kotohira Maru, which carried supplies for the Japanese invasion forces on Attu in January 1943.
Source: World Scanning Project)
Project co-leader and marine archaeologist and historian Jason Raupp explained that the system combines new hardware and advanced software processing techniques to create a three-dimensional scan of the seafloor over much greater distances and at much higher resolution than previous sonar systems.
Data from the advanced sonar was processed on board to allow researchers to quickly locate debris on the seafloor.
Source: Sean Mack
"It would have taken us weeks to achieve the same result with standard sonar," Raupp emphasized.
The advanced sonar system makes more sophisticated scans of the seabed.
Source: ThayerMahan
According to the researchers, Japanese ships were sunk by American bombs after Japanese forces invaded the island in June 1942, about six months after the attack on Pearl Harbor. An American ship sank while trying to strengthen the island's defenses.
The ship is equipped with a remotely operated underwater vehicle (ROV), which the researchers used to create videos of the sunken wreckage.
Source: Phil Hartmeyer
Battle of Attu
Attu and the neighboring Aleutian island of Kiska are the only areas of North America to be invaded and occupied by a foreign enemy during World War II, although Japanese warplanes also bombed other Aleutian islands. In response, the United States spent about a year bombing the Japanese there with warplanes and eventually drove them out with a force of nearly 35,000 American and Canadian soldiers.
The last stages of the invasion included the Battle of Attu, which claimed the lives of 2351 Japanese and 549 Allied soldiers in May 1943.
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