Empire of Japan

Combined Fleet

Admiral Isoroku Yamamoto, Commander in Chief

MAIN BODY - Admiral Yamamoto

BatDiv 1
- Yamato (BB, flagship)
- Nagato (BB)
- Mutsu (BB)
Carrier Group
- Hosho (CVL) with eight B5N torpedo bombers
- Yukaze (DD)
Special Force (seaplane carriers serving as tenders)
- Chiyoda
- Nisshin carrying 2 motor torpedo boats and 6 midget submarines
Screen (DesRon 3) RADM Shintaro Hashimoto
- Sendai (CL, flagship)
- DesDiv 11
  - Fubuki
  - Shirayuki
  - Hatsuyuki
  - Murakumo
- DesDiv 19
  - Isonami
  - Uranami
  - Shikinami
  - Ayanami
- 1st Supply Unit - 2 oilers
GUARD (Aleutians Screening) FORCE - VADM Shiro Takasu
- BatDiv 2
  - Hyuga (BB, flagship)
  - Ise (BB)
  - Fuso (BB)
  - Yamashiro (BB)
- Screen - RADM Fukuji Kishi
  - CruDiv 9
    - Kitakami (CL, flagship)
    - Oi (CL)
  - DesDiv 20
    - Amagiri
    - Asagiri
    - Yugiri
    - Shirakumo
  - DesDiv 24 - 4 DDs
  - DesDiv 27 - 4 DDs
  - 2nd Supply Unit - 2 oilers

FIRST CARRIER STRIKING FORCE (1st Air Fleet) - VADM Chuichi Nagumo

Carrier Group - VADM Nagumo
- CarDiv 1
  - Akagi (CV, flagship)
    - 21 A6M Zero fighters
    - 21 D3A dive bombers
    - 21 B5N torpedo bombers
  - Kaga (CV)
    - 21 A6M Zero fighters
    - 21 D3A dive bombers
    - 30 B5N torpedo bombers
- CarDiv 2 - RADM Tamon Yamaguchi
  - Hiryu (CV, flagship)
    - 21 A6M Zero fighters
    - 21 D3A dive bombers
    - 21 B5N torpedo bombers
  - Soryu (CV)
    - 21 A6M Zero fighters
    - 21 D3A dive bombers
    - 21 B5N torpedo bombers
Support Group - RADM Hiroaki Abe
- CruDiv 8
  - Tone (CA, flagship)
  - Chikuma (CA)
- 2nd Section, BatDiv3
  - Haruna (BB)
  - Kirishima (BB)
Screen (DesRon 10) - RADM Susumu Kimura
- Nagara (CL, flagship)
- DesDiv 4
  - Arashi
  - Nowake
  - Hagikaze
  - Maikaze
- DesDiv 10
  - Kazagumo
  - Yugumo
  - Makigumo
- DesDiv 17
  - Isokaze
  - Urakaze
  - Hamakaze
  - Tanikaze
Supply Group
- Kyokuto Maru
- Shinkoku Maru
- Toho Maru
- Nippon Maru
- Kokuyo Maru
- Akigumo (DD, detatched from DesDiv 10 on June 3)

MIDWAY INVASION FORCE (2nd Fleet) - VADM Nobutake Kondo

Invasion Force Main Body
- CruDiv 4 (less 2nd section)
  - Atago (CA, flagship)
  - Chokai (CA)
- CruDiv 5
  - Myoko (CA)
  - Haguro (CA)
- BatDiv 3 (less 2nd section)
  - Kongo (BB)
  - Hiei (BB)
Screen (DesRon 4) - RADM Shoji Nishimura
- Yura (CL, flagship)
- DesDiv 2
  - Murasame
  - Harusame
  - Yudachi
  - Samidare
- DesDiv 9
  - Asagumo
  - Minegumo
  - Natsugumo
Carrier Group
- Zuiho (CVL) 12 A6M Zero fighters, 12 D3A dive bombers
- Mirazuki (DD)
Supply Group
- Genyo Maru, oiler
- Kenyo Maru, oiler
- Sata, oiler
- Tsurumi, oiler
- Akashi, repair ship
Close Support Group - VADM Takeo Kurita
- CruDiv 7
  - Kumano (CA, flagship)
  - Suzuya (CA)
  - Mikuma (CA)
  - Mogami (CA)
- DesDiv 8
  - Asashio
  - Arashio
- Nichiei Maru, oiler
Transport Group - RADM Raizo Tanaka
- 12 transports and freighters carrying Kure and Yokosuka 5th Special Naval Landing Forces (S.N.L.F.) and Army Ichiki detachment, two construction battalions, survey group, weather group, etc; about 5,000 officers and men. Two of the freighters were filled with U.S. construction equipment captured at Wake Island.
  Three patrol boats carrying assault detachments, S.N.L.F.:
- No. 1 - old Japanese destroyer Shimakaze
- No. 2 - old Japanese destroyer Nadakaze
- No. 34 - old Japanese destroyer Suzuki
- Akebono Maru, oiler
Escort (DesRon 2) - RADM Tanaka
- Jintsu (CL, flagship)
- DesDiv 15
  - Kuroshio
  - Oyashio
- DesDiv 16
  - Hatsukaze
  - Yukikaze
  - Amatsukaze
  - Tokitsukaze
- DesDiv 18
  - Kasumi
  - Arare
  - Kagero
  - Shiranuhi
Seaplane Tender Group - RADM Riutaro Fujita
- Seaplane Tender Div 11
  - Chitose (CVS) - 16 fighter seaplanes, 4 scout seaplanes
  - Kamikawa Maru (AV) 8 fighter seaplanes, 4 scout planes
  - Hayashio (DD)
  - No. 35 - old Japanese destroyer Tsuta carrying troops
Minesweeper Group
- Minesweepers
  - Tama Maru No. 3
  - Tama Maru No. 5
  - Showa Maru No. 7
  - Showa Maru No. 8
- Submarine Chasers
  - No. 16
  - No. 17
  - No. 18
- Supply Ship
  - Soya
- Cargo Ships
  - Meiyo Maru
  - Yamafuku Maru
    Note: This group, proceeding from Saipan and Wake, retired upon receiving word the occupation of Midway had been given up.

NORTHERN (Aleutians) FORCE (5th Fleet) - VADM Moshiro Hosogaya

Northern Force Main Body
- Nachi (CA, flagship)
- Screen - 2 DDs
- Supply Group - 2 oilers, 3 cargo ships

Second Carrier Striking Force - RADM Kakuji Kakuta
- Carrier Group (CarDiv 4)
  - Ryujo (CVL, flagship) - 16 A6M Zero fighters, 21 B5N torpedo bombers
  - Junyo (CV) - 24 A6M Zero fighters, 21 D3A dive bombers
- Support Group (2nd Section, CruDiv 4) - Maya (CA), Takao (CA)
- Screen (DesDiv 7) - 3 DDs, 1 oiler

Attu Invasion Force - RADM Sentaro Omori
- Abukuma (CL, flagship)
- DesDiv 21 - 4 DDs
- 1 minelayer; 1 transport carrying troops

Kiska Invasion Force - Capt. Takeji Ono
- CruDiv 21
  - Kiso (CL)
  - Tama (CL)
  - Asaka Maru (auxiliary crusier)
- Screen (DesDiv 6) - 3 DDs
- 2 transports carrying troops
- Minesweeper Div. 13 - 3 minesweepers
Submarine Detachment - RADM Shigeaki Yamazaki
- SubRon 1 - I-9 (flagship)
  - SubDiv 2 - 3 submarines
  - SubDiv 4 - 2 submarines

ADVANCE (Submarine) FORCE (6th Fleet) - VADM Teruhisa Komatsu

Katori (CL, flagship) at Kwajalein
SubRon 3 - RADM Chimaki Kono
- Rio de Janeiro Maru (submarine tender, flagship) at Kwajalein
- SubDiv 19 - 4 submarines
- SubDiv 30 - 3 submarines
- SubDiv 13 - 3 submarines

SHORE-BASED AIR PATROL (11th Air Fleet) - VADM Nishizo Tsukahara at Tinian

Midway Expeditionary Force - Capt. Chisato Morita
- 36 Zero fighters (aboard Nagumo's carriers)
- 10 land-based bombers at Wake; 6 flying boats at Jaluit
24th Air Flotilla - RADM Minoru Maeda at Kwajalein
- Chitose Air Group - 36 Zero fighters, 36 torpedo bombers at Kwajalein
- 1st Air Group - 36 Zero fighters, 36 torpedo bombers at Aur and Wotje
- 14th Air Group - 18 flying boats at Jaluit and Wotje