Gensui (Imperial Japanese Navy)

Kaigun-gensui (海軍元帥, Marshal of the Navy), formal rank designations: Gensui-kaigun-taishō (元帥海軍大将, Marshal-admiral of the Navy) was the highest rank in the Imperial Japanese Navy. The term gensui was used for both the navy and the Imperial Japanese Army, and was a largely honorific title awarded for extremely meritorious service to the Emperor.