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Imperial Japanese Navy 8 Dec. 1941 Administrative Order of Battle -…
Imperial Japanese Navy
8 Dec. 1941
Administrative Order of Battle
General Staff
-Naval Section-
IJN Combined Fleet
Adm. I Yamamoto
2nd Fleet
VAdm K Kondo
8th Squadron
RAdm. H Abe
CA Tone (Flag)
Capt. T Okada
3x E8N2 Daves
2x E13A1 Jean
CA Chikuma
Capt. K Komura
3x E8N2 Daves
2x E13A1 Jean
2nd Destroyer Squadron
RAdm. R Tanaka
8th Destroyer Squadron
Capt T Abe
DD Asashio
LtCdr Y Gorou
DD Michishio
Cdr M Ogura
DD Arashio
LtCdr H Kuboki
DD Oshio
Cdr K Kikkawa
15th Destroyer Squadron
Capt T Sato
DD Kuroshio
Cdr. T Ugaki
DD Natsushio
Cdr. S Nishino
DD Oyashio
Cdr. T Arima
DD Hayashio
Cdr. K Kaneda
16th Destroyer Squadron
Capt S Shibuya
DD Amatsukaze
Cdr. T Hara
DD Hatsukaze
Cdr. K Takahashi
DD Tokisukase
Cdr. G Nakahara
DD Yukihaze
Cdr. K Tobita
18th Destroyer Squadron
Capt Y Miyasaka
DD Kasumi
Cdr. K Tomura
DD Shiranuhi
Cdr. J Akasawa
DD Kagero
Cdr. M Yokoi
DD Arare
Cdr. T Ogata
CL Jintsu (Flag)
Capt T Kozai
1x E7K2 Alf
7th Squadron
RAdm. T Kurita
CA Kumano
Capt. K Tanaka
2x E8N2 Daves
1x E13A1 Jean
CA Mikuma
Capt S Sakiyama
2x E8N2 Daves
1x E13A1 Jean
CA Mogami
Capt A Sone
2x E8N2 Daves
1x E13A1 Jean
CA Suzuya
Capt M Kimura
2x E8N2 Daves
1x E13A1 Jean
4th Destroyer Squadron
RAdm S Nashimura
4th Destroyer Division
Capt K Aruga
DD Arashi
Cdr. Y Watanabe
DD Hagikaze
Cdr. S Iura
DD Maikaze
Cdr. S Nakasugi
DD Nowake
Cdr. M Koga
9th Destroyer Division
Cdr. Y Sato
DD Asagumo
Cdr. T Iwahashi
DD Minegumo
LtCdr. Y Suzuki
DD Natsugumo
Cdr. M Tsukamoto
DD Yamagumo
Cdr. Y Koga
2nd Destroyer Division
Capt M Tachibana
DD Harusame
Cdr S Tomita
DD Murasme
Cdr N Suenaga
DD Samidare
Cdr. T Matsubara
DD Yudachi
LtCdr. H Ishii
24th Destroyer Division
Cdr. T Hirai
DD Kawakaze
Cdr. K Wakabayashi
DD Suzukaze
LtCdr M Kamiyama
DD Umikaze
Cdr. I Shimizu
DD Yamakaze
LtCdr. S Hamanaka
CL Naka (Flag)
Capt. Y Tawara
5th Squadron
RAdm. T Takagi
CA Haguro (Flag)
Capt. T Mori
2x E8N2 Daves
1x E13A1 Jean
CA Myoko
Capt T Yamazumi
2x E8N2 Daves
1x E13A1 Jean
CA Nachi
Capt T Kiyota
2x E8N2 Daves
1x E13A1 Jean
AD Kamikaze Maru
4th Squadron
VAdm. N Kondo
CA Atago
Capt M Ijuin
2x E8N2 Daves
1x E7K2 Alf
CA Chokai
Capt S Watanabe
2x E8N2 Daves
1x E7K2 Alf
CA Takao (Fleet Flag)
Capt. T Asakura
2x E8N2 Daves
1x E7K2 Alf
CA Maya
Capt S Nabeshima
2x E8N2 Daves
1x E7K2 Alf
1st Fleet
VAdm. S Takasu
3rd Carrier Squadron
RAdm. T Kuwabara
CVL Hosho (Flag)
Capt. K Umeya
Hosho NAG
11x A5M4 Zeros
8x B4Y1 Jeans
CVL Zuiho
Capt. S Obayashi
Zuiho NAG
16x A5M4
8x B4Y1
DD Mikazuki
Cdr. S Maeda
DD Yukaze
Cdr. S Kajimoto
6th Squadron
RAdm. A Goto
CA Furutake
Capt. T Araki
1x E8N2 Dave
1x E7K2 Alf
CA Kako
Capt. Y Takahashi
1x E8N2 Dave
1x E7K2 Alf
CA Aoba
Capt. Y Hisamune
2x E7K2 Alfs
CA Kinugasa
Capt. M Sawa
2x E7K2 Alfs
1st Destroyer Squadron
RAdm. S Omori
6th Destroyer Division
Capt. M Narita
DD Akatsuki
LtCdr. K Aoki
DD Hibiki
LtCdr. H Ishii
DD Ikazuchi
LtCdr. S Kudo
DD Inazuma
LtCdr H Takeuchi
17th Destroyer Division
Capt. K Sugiura
DD Kamakaze
Cdr. T Orita
DD Isokaze
Cdr. S Toyoshima
DD Tanikaze
Cdr. M Katsumi
DD Urakaze
Cdr. N Shiraishi
21st Destroyer Division
Cdr. T Shimizu
DD Hatsuharu
Cdr. T Makino
DD Hatsushimo
LtCdr. S Kohama
DD Nenohi
LtCdr S Terauchi
DD Wakaba
LtCdr. M Kuroki
27th Destroyer Division
Capt. M Yoshimura
DD Ariake
LtCdr. S Yoshida
DD Shiratsuyu
Cdr. N Suitani
DD Shigure
LtCdr. N Seo
DD Yugure
LtCdr. K Kamo
CL Abukuma (Flag)
Capt. S Murayama
3rd Destroyer Squadron
RAdm. S Hashimoto
11st Destroyer Division
Capt. K Shoji
DD Fubuki
Cdr. S Yamashita
DD Hatsuyuki
LtCdr. J Kamiura
DD Shirayuki
LtCdr R Sugawara
12th Destroyer Division
Cdr. N Ogawa
DD Murakumo
Cdr. H Azuma
DD Shinonome
Cdr. H Sasagawa
DD Shirakumo
Cdr. T Hitomi
DD Usugomu
LtCdr. S Ikeda
19th Destroyer Division
Capt. R Ooe
DD Ayanami
Cdr. E Sakuma
DD Isonami
Cdr. R Sugama
DD Shikinami
Cdr. J Iwagami
DD Uranami
LtCdr T Hagio
20th Destroyer Division
Capt. Y Yamada
DD Amagiri
Cdr. B Ashida
DD Asagiri
Cdr. N Maekawa
DD Sagiri
Cdr. K Sugioka
DD Yugiri
Cdr. M Motokura
CL Sendai (Flag)
Capt. N Morishita
1x E7K2 Alf
3rd Squadron
VAdm. G Mikawa
1st Division
BB Heie (Flag)
Capt. M Nishida
3x E8N2 Daves
BB Kirishima
Capt. J Yamaguchi
3x E8N2 Daves
2nd Division
BB Haruna
Capt. T Takama
3x E8N2 Daves
BB Kongo
Capt. T Koyanagi
3x E8N2 Daves
AD Shinsho Maru
Capt.. T Yokoyama
2nd Squadron
VAdm. T Takasu
1st Division
BB Hyuga (Fleet Flag)
Capt. N Ishizaki
2x E8N2 Daves
BB Ise
Capt. I Takeda
2x E8N2 Daves
2nd Division
BB Fuso
Capt. M Kinoshita
2x E8N2 Daves
BB Yamashiro
Capt. C Obata
2x E8N2 Daves
Fleet Headquarters
& Direct Units
Adm. Isoroku Yamamoto
24th Squadron
RAdm. M Takeda
CX Aikoko Maru
Capt. M Okamura
2x E7K2 Alfs
CX Hokoku Maru
Capt. A Aihara
2x E7K2 Alfs
CX Kiyozumi Maru
Capt. S Kita
1x E7K2 Alf
4th Submarine Squadron
RAdm. S Yoshitami
19 Submarine Division
Capt. N Ota
SS I-56
LtCdr. K Ohashi
SS I-57
LtCdr. S Nakajima
SS I-58
LtCdr. S Kitamura
21st Submarine Division
Capt. H Iwagami
SS Ro-33
LtCdr. E Sakamoto
SS Ro-34
LtCdr. T Ota
18th Submarine Division
Capt. K Moritsugu
SS I-54
LtCdr. S Kobayashi
SS I-55
LtCdr. S Nakajima
SS I-53
Cdr. S Nakamura
Direct Attach
CL Kinu (Flag)
Capt. Y Kato
1x E7K2 Alf
AS Nagoya Maru
Capt K Kusakawa
11th Carrier Squadron
RAdm. R. Fujita
CVS Chitose
Capt. T. Furukawa
Chitose NAG
16x F1M2 Rei Kans
4x E13A1 Jakes
CVS Chiyoda
Capt. K Harada
Chiyoda NAG
16x F1M2 Rei Kans
4x E13A1 Jakes
CVS Mizuho
Capt. J Okuma
Mizuho NAG
16x F1M2 Rei Kans
4x E13A1
5th Submarine Squadron
RAdm. T Daigo
29th Submarine Division
Capt. T Tamaki
SS I-62
LtCdr. T Kinashi
SS I-64
LtCdr. T Ogawa
30th Submarine Division
Capt. M Teraoka
SS I-65
LtCdr. H Harada
SS I-66
Cdr. Z Yoshitomi
28th Submarine Division
Capt. Y Kato
SS I-59
LtCdr. T Yoshimatsu
SS I-60
LtCdr. S Hasegawa
Direct Attach
CL Yura (Flag)
Capt. T Miyoshi
1x E7K2 Alf
AS Rio Maru
9th Squadron
RAdm. F Kishi
CL Kitikami
Capt. S. Norimitsu
1x E7K2 Alfs
CL Oi
Capt. N. Moishita
1x E7K2 Alfs
Supply Unit
1st Squadron
Adm. Isoroku Yamamoto
BB Mutsu
Capt. G. Kogure
2x E8N2 Daves
BB Yamato
Capt. G. Takaynagi
7x F1M2 Rei Kans
BB Nagato (Fleet Flag)
Capt. H. Yano
2x E8N2 Daves
Combined Signal Group
RAdm. G Kakimoto
Chichjima Signal Unit
Okinawa Signal Unit
2nd Naval Defense Unit
Takao Signal Unit
1st Naval Defense Unit
Tokyo Signal Unit
3rd Signal Unit
3th Signal Unit
5th Signal Unit
6th Signal Unit
Southern Fleet
VAdm. J Ozawa
11th Special Base Force
VAdm. T Takamoto
PM Eifuku Maru
81st Base Force Signal Unit
Direct Attach
CL Kashii (Fleet Flag)
Capt H Kojima
1x E7R2 Alf
AOT Notoro
Capt K Horiuchi
PE Shimushu
Cdr. F Arimura
AP Teiun Maru
Yokosuka 2nd SNLF
Cdr. K Tonorari
81st Navy Defense Unit
4th Navy Construction Unit
Southern Fleet Military Post Unit
Southern Military Special Photo Unit
9th Base Force
RAdm K Hiraoka
11st Subchaser Division
Cdr. R Hoyoshi
PC Ch-7
PC Ch-8
PC Ch-9
91st Subchaser Division
Cdr. T Takeuchi
PC Shonan Maru #6
PC Shonan Maru #7
AN Choko Maru
1st Minesweeper Division
Cdr. Y Fujita
AM W-3
AM W-4
AM W-2
AM W-5
AM W-1
AM W-6
Direct Attach
AGM Eiko Maru (Flag)
PM Chosa Maru
CM Hatsutaka
AV Sagara Maru
Capt Y Kohashi
Sagara Maru NAG
6x F1M2 Rei Kans
2x E8N2 Daves
AP Najima Maru
Capt K Hiraoka
9th Base Force Heaquarters
91st Navy Defense Unit
91st Base Force Signal Unit
91st Ports & Docks Unit
IJN China Theater Fleet
Adm. O Nagano
2nd China Fleet
1st China Fleet
VAdm T Komatsu
Yangtze River Squadron
VAdm. T Komatsu
Middle River Division
PR Sumida (Flag)
LtCdr K Yamasaki
PR Hoza
PG Shinkoko
8 PB's
Lower River Division
PR Seta (Flag)
PR Ataka
Cdr. K Mutaguchi
PR Atami
LtCdr. M Araki
PR Futami
Cdr. S Okumura
7 PB's
Ankei SNLF
Upper River Division
PR Hira
PR Katata
PR Fushima (Flag)
Cdr. H Taniguchi
6 PB's
Direct Attach
PR Uiji (Fleet Flag)
LtCdr. M Suzuki
PR Chikubu
PR Karuko Maru
AGMR Kasai
2 PB's
Barges
2x Outboard Motor Boats
8 Skimming Boats
2 Inboard Motor Boats
Yangtze SNLF
Hankow Special Base Force
RAdm. S Ichise
Hankow SNLF
Kyoto Naval Guard Unit
Capt. M Inose
PR Kosai
Fleet Headquarters
& Direct Units
VAdm. M Koga
China Theatre Fleet NAG
8x B5M1 Vals
1x L3Y Tina
Direct Attach Naval
PT Hiyodori
Cdr. J Yamazaki
CD Izumo (Fleet Flag)
Capt. K Akiyana
PR Kotaka
AG Asuka
AGS Hakusa
Shanghai Special Base Force
VAdm. K Makita
1st Patrol Boat Division
2nd Patrol Boat Division
14th Patrol Boat Division
Capt. T Ohashi
PG Nishho Maru
PG Shinko Maru #1
PG Tosho Maru
Direct Attach
AD Nipponkai Maru
Capt. S Nakatsu
Nanking Garrison
DD Tsuga
LtCdr. S Nishino
Shuzan Garrison
DD Kuri
LtCdr. M Terauchi
Shanghai SNLF
DD Hasu
Lt. G Iuchi
Ports & Docks Unit
PR Toba (Flag)
13th Patrol Boat Division
Capt. M Yano
PG Shosei Maru
PG Unkai Maru
PG Hyakufuku Maru
Direct Attach Land
2nd Military Postal Unit
Special Photo Unit
1st Military Postal Unit
Supply Unit
AK Kosoku Maru
AK Minowa Maru
AK Tenran Maru
AK Zuiho Maru
AP Kasagisan Maru
AP Muro Maru
AP Juko Maru
AO Koryu Maru
AO Moji Maru
AO Toen Maru
AK Banshu Maru #21
AE Azuchi Maru
Guard District
(Bako)
Admiral Osami Nagano
Chief of Imperial Japanese Navy General Staff
Guard District
(Chinkai)
4th Naval District
(Maizuru)
Guard District
(Ominato)
3rd Naval District
(Sasebo)
Guard District
(Osaka)
2nd Naval District
(Kure)
Guard District
(Ryojun)
1st Naval District
(Yokosuka)
Red = Aviation Units
Blue = Naval Land Units
Admiral Shigetaro Shimada
Minister of the Navy
Black = Supply