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The Type 92 torpedo was a submarine-launched torpedo used by the Imperial Japanese Navy during World War II. It was 23 ft 5 in (7.14 m) in length and 21 inches (53 cm) in diameter. This type of torpedo was battery powered. It could deliver a 660-pound (300 kg) warhead at 30 knots (55 km/h) to a target 7 kilometers (3.8 nautical miles) away.