On July 29, 1927, Crowned Prince Hirohito's younger brother, SubLt. Takamatsu Nobuhito, who was fresh graduate from Etajima Naval Academy, was assigned aboard on Hiei. Then during the Imperial Naval Review on October 11, 1940, Emperor Hirohito together with Admiral Yamamoto boarded Hiei for an inspection, LtCom. Takamatsu, who became her gunnery chief, introduced the members of the royal family to several important personnel aboard Hiei.