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| Unit |
Commander |
Start |
Administrative Assignment |
Operational Assignment |
Notes |
|---|---|---|---|---|---|
| 20
Depot Division |
Abe
Heisuke |
Activated 1941 |
General
Defense Command |
||
| CM Hoko |
Completed
1941-12 |
Navy General Staff | Sunk by aircraft
1943-9-28
off Buka |
||
| DMS W-20 | Completed 1941-12-15 |
Navy General Staff | History.
Torpedoed
1945-5-4 off Korea by Trepang |
||
| AO Genyo
Maru |
Completed 1941-12-15 at Sasebo Navy
Yard |
Navy General Staff | History.
Sunk by aircraft
1944-6-20 in
the Philippine Sea |
||
| DD Yugumo |
Completed 1941-12-15 (Maizuru) |
Navy General Staff | History. Sunk by gunfire 1943-11-6/7 in the Solomon Islands | ||
| BB Yamato | Completed 1941-12-16 (Kure)
|
Navy General Staff | History. Sunk by aircraft 1945-5-7 | ||
| CX Kiyozumi
Maru |
Completed 1941-12-18 (Osaka) |
Navy General Staff | Sunk by aircraft 1944-2-17 at Truk | ||
| SC Ch-24 |
Completed
1941-12-20 |
Navy General Staff | History.
Sunk 1944-2-17 off Truk
by gunfire from Burns |
||
| SC Ch-26 | Completed 1941-12-20 | Navy General Staff | History. Sunk by aircraft 1945-7-30 off Korea | ||
| SC Ch-25 |
Completed 1941-12-29 |
Navy General Staff | History.
Sunk 1942-7-15 off Kiska
by Grunion |
||
| 51
Air Division |
Abe
Tetsujo |
Activated 1942 |
Army General Staff | Initially a training division |
|
| 7
Independent Brigade |
Akiyama Yoshitaka |
Activated 1942 (China) |
Army General Staff | ||
| 13
Independent Mixed Brigade |
Hayabuchi Shiro |
Activated 1942 (China) |
Army General Staff | ||
| 20
Air Brigade |
Harada Uichiro |
Activated 1942 |
Army General Staff | ||
| 22
Air Brigade |
Mikami
Kizo |
Activated 1942 |
Army General Staff | ||
| CVL Shoho |
Arrived 1942-1 (Nagasaki) |
Navy General Staff | History. Sunk by aircraft 1942-5-7 off Woodlark Island | ||
| LSD Akitsu
Maru |
Completed 1942-1 (Harima) | Navy General Staff | Torpedoed 1944-11-15 by Queenfish off Korea | ||
| CX Akagi Maru |
Converted 1942-1-1 (Osaka) |
Navy General Staff | History. Sunk by aircraft 1944-2-17 off Truk | ||
| 3 Southern Expeditionary
Fleet |
Sugiyama Rokuzo |
Activated 1942-1-3 |
Combined Fleet | ||
| 31
Special Base Force |
Kobayashi Tetsuri |
Activated 1942-1-3 (Manila) |
3 Southern Expeditionary Fleet |
Or 31
Base Force |
|
| 56 Independent Mixed Brigade |
Sakaguchi Shizuo |
Activated 1942-1-7 (Borneo) |
Army General Staff | ||
| 10
Special Base Force |
Oku
Nobukazu |
Activated 1942-1-15 (Singapore) |
Combined Fleet | ||
| SC Ch-27 |
Completed 1942-1-28 |
Navy General Staff | History. Sunk 1942-7-15 off Kiska by Grunion | ||
| AMc Wa-1 |
Completed 1942-1-31 | Navy General Staff | Sunk by aircraft
1942-5-4 at Tulagi |
||
| 58
Division |
Shimotsuke Ichiko | Activated 1942-2 (China) |
Army General Staff |
||
| 59
Division |
Yanagawa Yasushi | Activated 1942-2 (China) | Army General Staff | ||
| 8
Base Force |
Kanazawa Masao |
Activated 1942-2-1 (Rabaul) |
8 Fleet |
Redesignated 8 Special Base Force 1942-4-10 |
|
| SS I-28 | Completed 1942-2-6 (Mitsubishi-Kobe) | Navy General Staff | History. Torpedoed 1942-5-17 off Truk by Tautog | ||
| 4 Air
Group |
Activated 1942-2-10 |
24 Air Flotilla |
Mixed group |
||
| 12
Special Base Force |
Ishikawa Shigeru |
Activated 1942-2-15 (Port Blair) |
1
Southern Expeditionary Fleet |
||
| SS I-27 | Completed 1942-2-24 (Sasebo) | Navy General Staff | History. Sunk 1944-2-12 by Paladin and Petard | ||
| SS I-29 | Completed 1942-2-27 (Yokosuka) | Navy General Staff | History. Torpedoed 1944-7-26 north of Luzon by Sawfish | ||
| CM Ma-1 | Completed 1942-2-28 (Uraga Dock-Tokyo)
|
Navy General Staff | Mined
1945-3-27 off Sumatra |
||
| AMc Wa-2 |
Completed 1942-2-28 |
Navy General Staff | Sunk by aircraft 1942-5-4 at Tulagi | ||
| CM Ishizaki |
Completed
1942-2-28 |
Navy General Staff | History.
|
||
| SS I-30 | Completed 1942-2-28 (Kure) | Navy General Staff | History. Mined 1942-1-13 off Singapore | ||
| 21
Special Base Force |
Kubo
Kyuji |
Activated 1942-3-10 (Surabaya) | 2
Southern Expeditionary Fleet |
||
| 22
Special Base Force |
Hirose
Sueto |
Activated 1942-3-10 (Balikpapan) | 2
Southern
Expeditionary Fleet |
||
| 23
Special Base Force |
Mori
Kunizo |
Activated 1942-3-10 (Makassar) | 2
Southern
Expeditionary Fleet |
||
| 24
Special Base Force |
Hatakeyama Kouchiro |
Activated 1942-3-10 (Ambon) | 2
Southern
Expeditionary Fleet |
||
| Hong
Kong Base Force |
Yasuba
Yasuo |
Activated 1942-3-10 (Hong Kong) |
2 Fleet |
||
| DD Makigumo |
Completed 1942-3-14 (Fujinagata) |
Navy General Staff | History.
Mined
1943-2-1 off Savo Island |
||
| DD Kazakumo |
Completed 1942-3-18 (Uraga) |
Navy General Staff | History.
Torpedoed
1944-6-8 by Rake in Davao Gulf. |
||
| CM Takashima |
Completed
1942-3-28 |
Navy General Staff | Sunk by aircraft
1944-10-10
off Okinawa |
||
| CX Ukishima
Maru |
Completed 1942-4 |
Navy General Staff | Converted to a transport in 1945. | ||
| 60
Division |
Kobayashi Nobuo |
Activated 1942-4 (China) |
13 Army | ||
| 68
Division |
Nakayama Makoto |
Activated 1942-4 (China) | Army General Staff | ||
| 69
Division |
Inoue
Sadae |
Activated 1942-4 (China) | 13 Army | ||
| 70
Division |
Uchida Takayuki |
Activated 1942-4 (China) | 13 Army | ||
| 71
Division |
Toyama Noboru |
Activated 1942-4 (Manchuria) | Kwantung Army | ||
| 63 Independent Mixed Brigade |
Uchida Takayuki |
Activated 1942-4? |
Army General Staff | ||
| Nagoya
Air Group |
Activated 1942-4 |
Navy General Staff | |||
| Oi
Air Group |
Activated 1942-4 |
Navy General Staff | |||
| Tokushima
Air Group |
Activated 1942-4 |
Navy General Staff | |||
| 19
Air Group |
Activated 1942-4 |
Navy General Staff | |||
| 25
Air Flotilla |
Yamada Sadayoshi |
Activated 1942-4-1 (Rabaul) |
Navy General Staff | ||
| 26
Air Flotilla |
Yamagata Seigo |
Activated 1942-4-1 |
Navy General Staff | ||
| 6 Air
Group |
Activated 1942-4-1 |
26
Air Flotilla |
Fighter group. Redesignated 204 Air Group 1942-11. |
||
| 13
Air Flotilla |
Imamura Osamu |
Activated 1942-4-1 |
Navy General Staff | ||
| CM Ma-2 |
Completed 1942-4-10 (Uraga Dock-Tokyo) | Navy General Staff | Mined 1942-12-31 at Surabaya |
||
| Southwest
Area Fleet |
Takahashi Ibo |
Activated 1942-4-10 (Surabaya) |
Navy General Staff | Comprised of 1,
2,
and 3
Southern Expeditionary Fleets and 1
Surface Escort Fleet. Redesignated 10
Area Fleet on 1945-2-5. |
|
| 1
Maritime Escort Fleet |
Inoue
Yasuo |
Activated 1942-4-10 |
Southwest Area Fleet | Also known as 1 Surface Escort Fleet |
|
| 2
Maritime Escort Fleet |
Moizumi Shinichi |
Activated 1942-4-10 |
Southwest Area Fleet | Also known as 2 Surface Escort Fleet | |
| Borneo
Garrison Army |
Maeda Toshitami |
Activated 1942-4-11 (Borneo) |
Southern
Expeditionary Army |
Also known as Borneo Defense Army. Redesignated 37
Army on 1944-9-22. |
|
| AV Akitsushima |
Completed 1942-4-19 (Kawasaki-Kobe) |
Navy General Staff | |||
| SC Ch-29 |
Completed 1942-4-20 |
Navy General Staff | History.
Sunk by aircraft 1944-2-18 off Truk |
||
| CM Saishu |
Completed
1942-4-25 |
Navy General Staff | |||
| SS I-32 | Completed 1942-4-26 (Sasebo) | Navy General Staff | History. Sunk off Wotje by Manlove and aircraft | ||
| 3 Kure
SNLF |
Activated <1942-5 (Rabaul) | 4 Fleet |
Assigned to Tulagi and Port Moresby invasions, May 1942 |
||
| 17 Army |
Hyakutake Haruyoshi |
Activated 1942-5-2 (Rabaul) |
Army General Staff | ||
| CV Junyo |
Completed 1942-5-3 |
Navy General Staff | History. Crippled 1944-12-9 by Redfish and Sea Devil off Nagasaki and not returned to service | ||
| SC Ch-30 |
Completed 1942-5-13 |
Navy General Staff | History.
Sunk 1944-12-24 off Kuching by Barbero |
||
| SC Ch-28 |
Completed 1942-5-15 | Navy General Staff | History. Sunk by aircraft 1945-2-2 off Mindanao | ||
| SS I-11 | Completed 1942-5-16 (Kawasaki-Kobe) | Navy General Staff | History. Missing from 1944-1-11 off Samoa | ||
| AMc Wa-3 |
Completed 1942-5-30 |
Navy General Staff | Sunk by aircraft
1945-7-24 at Surabaya |
||
| SS I-31 | Completed 1942-5-30 (Yokosuka) | Navy General Staff | History. Missing from 1943-5-13 off Attu | ||
| CVE Unyo |
Completed 1942-5-31 |
Navy General Staff | History. Yawata Maru until named changed 1942-7-31. Torpedoed 1944-9-16 by Barb 220nm SE of Hong Kong | ||
| 2 Air
Group |
Activated 1942-5-1 |
Combined Fleet |
Mixed group. Redesignated 582 Air Group in late 1942. |
||
| 2
Armored Division |
Yamaji
Hideo |
Activated 1942-6 |
Kwantung Army | Created from 2 Tank Group and 2 Cavalry Brigade
Group. Redeployed to Luzon 1944-8
and was destroyed in the second Philippines campaign. |
|
| Chichi
Jima Base Force |
Fujimori Seiichiro |
Activated 1942-6 (Ominato) |
5 Fleet |
||
| 1 Air
Army |
Yasuda
Takeo |
Activated 1942-6-1 (Japan) |
Army General Staff | ||
| 2 Air
Army |
Suzuki Yorimichi |
Activated 1942-6-1 (Manchuria) |
Army General Staff | ||
| SS I-33 | Completed 1942-6-10 (Mitsubishi-Kobe) | Navy General Staff | History. Sunk accidentally on 1944-6-13 off Matsuyama | ||
| DD Akizuki | completed 1942-6-11 (Maizuru) | Navy General Staff | History. Sunk by aircraft 1944-10-25 during the Battle of Cape Engano | ||
| SC Ch-31 |
Completed 1942-6-15 |
Navy General Staff | History.
Sunk by aircraft 1945-1-12 off Indochina |
||
| 1
Armored Division |
Hoshino Toshimoto |
Activated 1942-6-24 |
Kwantung
Army |
Created from 1 Tank Group and 1 Cavalry Brigade
Group. Part of the division redeployed to the Marianas 1944-3 and the rest to Japan 1945-3. |
|
| 3
Armored Division |
Nishihara Issaku |
Activated 1942-6-24 |
Kwantung Army | Created from 3 Tank Group.
Nicknamed "Taki" ("Waterfall") Division. |
|
| Mechanized
Army |
Yoshida
Shin |
Activated 1942-6-26 (Manchuria) |
Kwantung Army | Disbanded 1943-10-301 |
|
| AMc Wa-4 |
Completed
1942-6-29 |
Navy General Staff | Sunk by aircraft
1944-7-19 at Dili |
||
| DD Naganami |
Completed 1942-6-30 (Fujinagata) | Navy General Staff | History. Sunk by aircraft 1944-11-11 northeast of Cebu | ||
| AMc Wa-5 |
Completed 1942-6-30 |
Navy General Staff | |||
| DMS W-21 | Completed 1942-6-30 |
Navy General Staff | |||
| CM Ma-3 |
Completed 1942-6-30 (Uraga Dock-Tokyo) | Navy General Staff | |||
| 1 Area
Army |
Yamashita Tomoyuki |
Activated 1942-7-1 (Mutanchiang) |
Kwantung Army | Comprised of 1, 4, and 5 Armies |
|
| 2 Area
Army |
Anami Korechika |
Activated 1942-7-1 (western Manchuria) | Kwantung Army | Comprised of 6 and 18 Armies. Redeployed to New Guinea and Netherlands East Indies
1943-10 |
|
| 2 Army |
Kozuki Yoshio |
Activated 1942-7-4 |
2 Area
Army |
||
| 3 Air
Army |
Obata Hideyoshi |
Activated 1942-7-9 (New Guinea) |
Army General Staff | ||
| South
Seas Area |
Tsukahara Nishizo |
Activated 1942-7-14 (Truk) |
Combined Fleet | Consisting of 4 Fleet and 8
Fleet |
|
| 8 Fleet |
Mikawa Gunichi |
Activated 1942-7-14 (Rabaul) |
South
Seas Area |
Consisting of Cruiser Division 6 and Cruiser Division 8 |
|
| CV Hiyo |
1942-7-31 |
Navy General Staff | History. Sunk by aircraft 20 June 1944 in the Philippine Sea | ||
| DMS W-22 | Completed 1942-7-31 |
Navy General Staff | History.
Mined
1944-11-11 at Palau |
||
| 5
Sasebo SNLF |
Activated <1942-8 |
Navy General Staff | Saw action at Goodenough and Milne Bay |
||
| 5
Yokosuka SNLF |
Activated <1942-8 |
Navy General Staff | Saw action in the Solomons |
||
| 5 Air
Group |
Activated 1942-8 |
Navy General Staff | |||
| SS I-176 |
Completed 1942-8-4 |
Navy General Staff | Sunk 1944-5-17 near 146.5E 4.0S by Franks,
Haggard, and Johnston |
||
| BB Musashi | Completed 1942-8-5 (Mitsubishi-Nagasaki)
|
Navy General Staff | History. Sunk by aircraft 1944-10-24 | ||
| SC Ch-33 |
Completed 1942-8-14 |
Navy General Staff | History. Sunk by aircraft 1945-3-21 off Indochina | ||
| DD Makinami |
Completed 1942-8-18 (Maizuru) | Navy General Staff | History. Sunk by gunfire and torpedoes 1943-11-25 off Cape St. George | ||
| SC Ch-32 |
Completed 1942-8-19 |
Navy General Staff | History.
Sunk by aircraft 1944-12-24 off Mindoro |
||
| CM Ma-4 |
Completed 1942-8-20 (Uraga Dock-Tokyo) | Navy General Staff | Sunk 1944-11-20 off Great
Nicobar by British submarine Tally-Ho |
||
| SS I-35 | Completed 1942-8-31 (Mitsubishi-Kobe) | Navy General Staff | History. Sunk on 1943-11-22 off Tarawa by Frazier | ||
| SC Ch-34 |
Completed 1942-8-31 |
Navy General Staff | History.
Sunk 1945-3-26 off Andaman
Islands by Saumarez, Volage,
Vigilant
and Virago |
||
| CM Niizaki |
Completed
1942-8-31 |
Navy General Staff | History.
|
||
| DD Teruzuki | Completed 1942-8-31 (Nagasaki) | Navy General Staff | History. Torpedoed 1942-12-12 by PT-37 and PT-40 off Guadalcanal | ||
| DD Takanami |
Completed 1942-8-31 (Uraga) | Navy General Staff | History.
Sunk by gunfire 1942-12-1 off Guadalcanal |
||
| SS I-34 | Completed 1942-8-31 (Sasebo) | Navy General Staff | History. Torpedoed 1943-11-13 off Penang by Taurus | ||
| AF Hayasaki |
Completed 1942-8-31 (Sakurajima-Osaka)
|
Navy General Staff | |||
| SS Ro-100 |
Completed 1942-9-23 (Kure) |
Navy General Staff | History.
Sunk by aircraft
or mine 1943-11-25 off Omai |
||
| CX Gokoku Maru |
Completed 1942-9-25 (Kure) |
Navy General Staff | History. Torpedoed 1944-11-10 by Barb near 129.3E 33.5N | ||
| SS I-36 | Completed 1942-9-30 (Yokosuka) | Navy General Staff | History. |
||
| 35 Independent Mixed Brigade |
Activated 1942-10 (Malaya)? |
Army General Staff | |||
| 751
Air Group |
Activated 1942-10 |
Navy General Staff | |||
| 753
Air Group |
Activated 1942-10 |
Navy General Staff | |||
| SC Ch-36 |
Completed 1942-10-15 |
Navy General Staff | History.
Sunk by aircraft 1944-11-19 at Subic
Bay |
||
| SS Ro-103 | Completed 1942-10-21 (Kure) | Navy General Staff | History. Missing from 1943-7-28 off Vanganu | ||
| AMc Wa-6 |
Completed
1942-10-30 |
Navy General Staff | |||
| SS Ro-101 | Navy General Staff | History. Sunk 1943-9-15 off San Cristobal Island by Saufley | |||
| CL Agano | Completed 1942-10-31 (Sasebo) | Navy General Staff | History. Torpedoed 1944-2-17 near Truk by Skate. | ||
| SC Ch-39 |
Completed 1942-10-31 |
Navy General Staff | History.
Sunk by aircraft 1944-2-16 off New
Ireland |
||
| SC Ch-37 |
Completed
1942-10-31 |
Navy General Staff | History.
Sunk by aircraft 1945-5-22 near 129.2E 29.8N |
||
| 6
Air Division |
Itahana Giichi |
Activated 1942-11 (Solomons) |
Army General
Staff |
||
| 14
Air Flotilla |
Senda Sadatoshi |
Activated 1942-11 |
Navy General Staff | ||
| 452
Air Group |
Activated 1942-11 |
Navy General Staff | |||
| 752
Air Group |
Activated 1942-11 |
Navy General Staff | |||
| 934
Air Group |
Activated 1942-11 |
Navy General Staff | |||
| 6
Sasebo SNLF |
Activated <1942-11 (Sasebo) |
Navy General Staff | Morison has this unit
sweeping the Munda area in 1942-11. |
||
| 18
Combined Air Group |
Kondo
Kazuma |
Activated 1942-11-1 |
Navy General Staff | ||
| 8 Area
Army |
Imamura Hitoshi |
Activated 1942-11-9 (Rabaul) |
Army General Staff | Comprised of 17 Army and 4 Air Army |
|
| 18 Army |
Adachi Hatazo |
Activated 1942-11-9 |
8
Area
Army |
||
| Indochina
Garrison Army |
Machijiri Kazumoto |
Activated 1942-11-10 (French Indochina) |
Southern
Expeditionary Army |
Redesignated 38
Army on 1944-12-11. |
|
| CM Nuwashima |
Completed
1942-11-15 |
Navy General Staff | History.
|
||
| SS Ro-102 | Completed 1942-11-17 (Kawasaki-Kobe) | Navy General Staff | History. Sunk 1943-5-14 off Vitiaz Strait (147.5E 6.9S) by PT-150 and PT-152 | ||
| 8
Combined SNLF |
Ota
Minoru |
Activated 1942-11-20 |
4 Fleet | Composed of 6 Kure SNLF and 7 Yokosuka SNLF | |
| CM Yurijima |
Completed
1942-11-25 |
Navy General Staff | History.
Torpedoed
1945-1-14 off Kota Baharu by Cobia |
||
| CVE Chuyo |
Completed 1942-11-25 |
Navy General Staff | History. Torpedoed 1943-12-4 by Sailfish off Japan | ||
| CVL Ryuho |
Completed 1942-11-28 |
Navy General Staff | History. Crippled by aircraft 1945-3-19 at Kure and not repaired. | ||
| LSD Mayasan
Maru |
Completed 1942-12 (Mitsui-Tamano)
|
Navy General Staff | Torpedoed
1944-11-17 in East China Sea
by Picuda |
||
| 25
Special Base Force |
Suzuki
Chozo |
Activated 1942-12 (Ambon) | 2
Southern
Expeditionary Fleet |
||
| 705
Air Group |
Activated 1942-12 |
Navy General Staff | |||
| SC Ch-38 |
Completed 1942-12-10 |
Navy General Staff | History.
|
||
| 19 Army |
Tominaga Nobumasa |
Activated 1942-11-9 (western New Guinea) |
2 Area Army |
||
| 22 Independent Mixed Brigade |
Yoneyama Yoneshika |
Activated 1942-12 (China) |
Army General Staff | ||
| 10
Base Force |
Yamaguchi Gisaburo |
Activated 1942-12-2? |
Navy General Staff | ||
| DD Suzutsuki | completed 1942-12-20 (Nagasaki) | Navy General Staff | History.
|
||
| Southeast
Area Fleet |
Kusaka Junichi |
Activated 1942-12-24 (Rabaul) |
Navy General Staff | Comprised of 1,
2,
and 3
Southern Expeditionary Fleets and 1
Surface Escort Fleet |
|
| SS Ro-106 | Completed 1942-12-26 (Kure) | Navy General Staff | History. Sunk 1944-5-22 off Kavieng by England | ||
| SS I-178 | Completed 1942-12-26 | Navy General Staff | Sunk 1943-5-28 off Espiritu Santo by SC-669 | ||
| SS Ro-107 | Completed 1942-12-26 (Kure) | Navy General Staff | History. Sunk 1943-7-12 off Kolombangara by Taylor | ||
| SS I-177 |
Completed 1942-12-28 |
Navy General Staff | Sunk 1944-10-3 off Angaur
by Samuel
B. Miles |
||
| AMc Wa-7 |
Completed
1942-12-28 |
Navy General Staff | |||
| DD Hatsuzuki | completed 1942-12-29 (Maizuru) | Navy General Staff | History. Sunk by gunfire 1944-10-25 during the Battle of Cape Engano | ||
| DD Onami |
Completed 1942-12-29 (Fujinagata) | Navy General Staff | History.
Sunk by gunfire and torpedoes
1943-11-25 off Cape St. George |
||
| AF Shirasaki |
Completed 1942-12-31 (Sakurajima-Osaka)
|
Navy General Staff |
The Pacific War Online Encyclopedia © 2008-2009 by Kent G. Budge. Index