The Japanese navy and the Washington Naval Treaty and the according to the Dutch newspaper De Sumatra Post dated 23 February 1922

Akagi

Kaga

The newspaper Chugai Shogyo reported that the Japanese navy authorities decided to fit out the most of the 15 battleships as floating barracks and training ships for sailors instead to stricken according to the Washington Naval Treaty. (1)The battleships Kaga (2) Tosa (3), Iki (4)en Owari (5) still on stocks and the old battleships Akagi (6), Amagi (7), Takao (8) en Atago (9) these were to be rebuilt as aircraft mother ships or merchant ships.

Notes
1. A treaty between the United States, British Empire, Japan, France and Italy signed on 6 February 1922 as a result of the Washington Naval Conference between November 1921-February 1922 which intended to limit the total capitals ship tonnage of these five major powers.
2. Launched 17 November 1921 but completed as an aircraft carrier.
3. Launched 18 December 1921 but never completed as battleship and became a target for torpedoes.
4. Probably the Kii of 42,600 tons which was cancelled.
5. Cancelled of the Kii-class.
6. A battle cruiser rebuilt as an aircraft carrier.
7. The battle cruiser broken up in 1923?
8. Battle cruiser broken up in 1923.
9. Battle cruiser broken up in 1923.