Flag officers of the Kriegsmarine were the leadership of the German Navy (known then as the "Kriegsmarine") from 1935 to 1945. Most flag officers had also served as officers of the Reichsmarine, as well as the Imperial German Navy during World War I. German naval flag officers were divided into five Admiralty ranks while a senior captain rank, known as Kommodore also existed. The Kriegsmarine flag officers were responsible for holding the senior most naval positions within the organization of the Kriegsmarine.