Initial secret name of the Ōka, a ‘Maru’ 〇 around the character ‘Dai’ 大. Named for the first character in the family name of Shōichi Ōta 大田正一, who conceptualized the plan for the Ōka as a Navy Ensign.

By qaz

Researcher of Japanese military vehicles, primarily interested in prototype aircraft and jet engines of World War II.

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