10 Jul 1944
Japan
Japan
- The Japanese Navy established the 1st Special Submarine Training Base Group at Otsujima in Tokuyama Bay, 80 kilometers southwest of Hiroshima, Japan, under the command of Rear Admiral Mitsuri Nagai. The unit was to train future manned-torpedo pilots. ww2dbase [Kaiten-class | Otsujima, Hiroshima | CPC]
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