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The Tango Maru originally called the Rendsburg was a cargo ship, built in Germany in 1925. It was sunk by an American submarine on February 25, 1944, while in the service of the Imperial Steamship Co., a Japanese government-owned company.


The 6,200 ton cargo ship was built for the Deutsche Australische Dampfschiffs Gesellschaft (German-Australian Line) of Hamburg at the Vulcan-Werke, in Hamburg, Germany. She was launched in 1925 and named Rendsburg. On November 10, 1940 she was confinscated by the Dutch in the Netherlands East Indies and renamed Toendjoek. She was scuttled on March 2, 1942 as a blockship off the port of Trandjung Priok. Refloated by the IJN on August 12, 1942, she was repaired and put into service with the Imperial Steamship Co, a Japanese government company.[1]

On February 25, 1944, crammed with 3,500 Javanese labourers (romusha) and hundreds of Allied POWs, the Tango Maru,was traveling between Java and Ambon. The American submarine USS Rasher sank the ship with three torpedo hits.[2] Only about 500 Javanese survived. On the same day USS Rasher also sank the Ryusei Maru, killing some 5,000 Japanese soldiers.

Another Japanese ship named Tango Maru, a 2,046 ton tanker, was also sunk by the Rasher, on November 8, 1943 in the Makassar Strait.[2]

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Coordinates: 7°41′N 115°10′E / 7.683°N 115.167°E / 7.683; 115.167

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