High Quality Content by WIKIPEDIA articles! Takeo Takagi was an admiral in the Imperial Japanese Navy during World War II.Takagi was a native of Iwaki city, Fukushima prefecture. He was a graduate of the 39th class of the Imperial Japanese Naval Academy, ranking 17th of 148 cadets in 1911. As a midshipman, he served on the cruiser Aso and battleship Shikishima, and after his commissioning as ensign, on the cruiser Asama and battleship Kawachi.s a lieutenant, he served on submarine S-15, and following advanced coursework in navigation and in torpedo warfare, he became executive officer and then captain of the submarine S-24.