Japanese battleships and battlecruisers to be disarmed and broken up confrom the Washington Naval Conference of 1921-1922

Tsukuba. ©Warshipsresearch.blogspot.com

Ibuki. ©Warshipsresearch.blogspot.com

Kaga. ©Warshipsresearch.blogspot.com

An item referred to the magazine N. and M.R. reporting that as a result of the Washington Naval Conference (1) the heavy turrets of the Japanese warships Kashima (2), Ikoma (3) and Kurama (4) were removed. The Kaga (5) and the Tosa (6) were to be used as gunnery practices targets.

Notes

1. Result of the Washington Naval Conference between November 1921-February 1922 was the Washington Naval Treaty signed by USA, England, Japan, Italy and France to limit the building of battleships, battle cruisers and aircraft carriers and to limit the possession of such capital ships by stopping completion of breaking up already existing ships.

2. Part of Katori-class battleships preceded by Mikasa succeeded by Satsuma-class, ordered in 1904, laid down with yard number 755 by Armstrong Whitworth, Elswick, England on 29 February 1904, launched on 22 March 1905, completed on 23 May 1906, decommissioned and disarmed in April 1922, stricken on 20 September 1923 and broken up in 1924.

3. Part of Tsukuba-class preceded by Kasuga-class succeeded by Ibukiu-class, ordered under 1904 Fiscal Year, laid down by Kure Naval Arsenal on 15 March 1905, launched on 9 April 1906, commissioned on 24 March 1908, reclassified as battlecruisers on 28 August 1912, stricken on 20 September 1923 and broken up.

4. Part of Ibuki-class armored cruisers preceded by Tsukuba-class succeeded by Kongo-class, ordered under 1904 Fiscal Year, laid down by Yokosuka Naval Arsenal on 23 August 1905, launched on 21 October 1907, commissioned on 28 February 1911, reclassified as battlecruisers on 28 August 1912, stricken on 20 September 1923 and broken up.

5. Part of Tosa-clas battleships preceded by Nagato-class succeeded by Kii-class, to be broken up but instead replaced the beyond repairs damaged battlecruiser Amagi for conversion into an aircraft carrier, preceded by Akagi succeeded by Ryujo, laid down by Kawasaki and Yokosuka Naval Arsenal on 19 July 1920, launched on 17 November 1921, reclassified as aircraft carrier on 21 November 1923, completed on 31 March 1928, commissioned on 30 November 1929, refitted betwen 20 Otcober 1933-25 June 1935, sunk in the Battle of Midway against the US Navy on 4 June 1942 and stricken on 10 August 1942.

6. Part of Tosa-clas battleships preceded by Nagato-class succeeded by Kii-class, ordered 1918 Fiscal Year, laid down by Mitsubishi (Nagasaki Shipyard&Machinery Woirks, Nagasaki, Japan 2 February 1920, launched on 19 December 1921, completion cancelled on 5 February 1922 and scuttled on 9 February 1925.