Yokosuka Naval Yard (Japanese Navy)

Yokosuka Naval Yard 横須賀海軍工廠 Yokosuka Kaigun Kosho

History

prewar

• 1871 Yokosuka Shipbuilding Factory was founded (横須賀造船所 Yokosuka Zosenjo)
• 1884 Under administration by Yokosuka Naval District.
• 1886 Yokosuka Naval Shipbuilding Factory (横須賀海軍造船所 Yokosuka Kaigun Zosenjo)
• 29 May 1889 Shipbuilding Division under Yokosuka Naval District. (横須賀鎮守府造船部 Yokosuka Chinjufu Zosen Bu)
• 8 Oct 1897 Shipbuilding Division was reorganized as Yokosuka Naval Shipbuilding Factory (横須賀海軍造船廠 Yokosuka Kaigun Zosensho)
• 10 Nov 1905 Yokosuka Naval Shipbuilding Factory and Yokosuka Naval Ordnance Factory were merged. Yokosuka Naval Yard was founded.

postwar

• 1947 US Navy SRF.

Assignment

Director

no	date of appointment	rank	name	class	previous job	next job	note
	18 Aug 1914	Vice Admiral	Kuroi Teijiro	13th class, NA	Cdr, Training Fleet	Cdr, Bako Guard District
	13 Dec 1915	Vice Admiral	Eguchi Rinroku	12th class, NA	Cdr, Bako Guard District	Wait for assignment
	1 Dec 1916
	20 Dec 1944	Vice Admiral	Hosotani Shinzaburo	22nd class, NEA	Chief, Admin Bu, NSC		disbanded after the war

Chief of Divisions

Chief, Ordnance Division

no	date of appointment	rank	name	class	previous job	next job	note
	1 Dec 1913	OGEN	Seto Kikujiro	1887 class, NEA	Chief, Steel Div, Kure NYd	Wait
	1 Dec 1914
	1 Sept 1924	RADM	Murakoshi Hachiro	27th class, NA	Chief, Adm Div, NSC	Dir, Sasebo NYd
	1 Aug 1925

Chief, Mine Research Division

no	date of appointment	rank	name	class	previous job	next job	note
	1 Sept 1924	RADM	Murakoshi Hachiro	27th class, NA	Chief, Adm Div, NSC	Chief, Ord Div, Yokosuka NYd
	1 Dec 1924

Chief, Accounting Division

no	date of appointment	rank	name	class	previous job	next job	note
	24 Dec 1907	P-SrM	Sakura Kotaro		Chief, Acct Sect, NSC	Chief, Acct Sect, NSC
	1 Dec 1909
	1 Dec 1912	P-SrM	Sagara Kiyoshi		Chief, Acct Div, Maizuru NYd	Chief, Maizuru Acct Ctr
	1 Dec 1914

Ships built in Yokosuka Naval Yard

Name	Plan	Laid down	Launched	Comp	Type	note
薩摩 Satsuma	FY1904	15 May 1905	15 Nov 1906	25 Mar 1910	Battleship
鞍馬 Kurama	FY1904	23 Aug 1905	21 Oct 1907	28 Feb 1911	Cruiser 1st class
河内 Kawachi	FY1907	1 Apr 1909	15 Oct 1910	31 Mar 1912	Battleship
比叡 Hiei	FY1911	4 Nov 1911	21 Nov 1912	4 Aug 1914	Battlecruiser
山城 Yamashiro	FY1913	20 Nov 1913	30 Nov 1915	31 Mar 1917	Battleship
陸奥 Mutsu	FY1917	1 Jun 1918	31 May 1920	24 Oct 1921	Battleship
鳳翔 Hosho	FY1918	16 Dec 1919	13 Nov 1921	27 Dec 1922	Aircraft carrier	fitting
天城 Amagi	FY1917	16 Dec 1920			Battlecruiser	cancelled
尾張 Owari	FY1920				Battleship	cancelled
第13号艦 No.13	FY1920				Battlecruiser	cancelled
龍驤 Ryujo	FY1927	26 Nov 1929	2 Apr 1931	9 May 1933	Aircraft carrier	fitting
大鯨 Taigei	FY1933	12 Apr 1933	16 Nov 1933	31 Mar 1934	Submarine depot ship
剣埼 Tsurugisaki	FY1934	3 Dec 1934	20 Jul 1935	15 Jan 1939	Submarine depot ship
高崎 Takasaki	FY1934	20 Jun 1935	19 Jun 1936	27 Dec 1940	Submarine depot ship	completed as 瑞鳳 Zuiho
飛龍 Hiryu	FY1934	8 Jul 1936	16 Nov 1937	5 Jul 1939	Aircraft carrier
翔鶴 Shokaku	FY1937	12 Dec 1937	1 Jun 1939	8 Aug 1941	Aircraft carrier
信濃 Shinano	FY1939	4 May 1940	8 Oct 1944	19 Nov 1944	Aircraft carrier