kokoan
Kokoan was a Japanese battleship laid down in 1915 at the Kure Navy Yard, and was the lead ship of her class. She was named Kōkū on the 30 November 1915 keel laying ceremony however the name is later shortened to Kokoan, though in some sources the name is referred to as Kokoan or more commonly Kokuan for brevity.
The ship was significantly modified between January and April 1917 after her completion, including an increase
Kokoan served as a flagship for the Combined Fleet of the Imperial Japanese Navy. In July 1928,