Fleet Organization and Composition
Tactical organization
| Commander
| Composition
| Duties | ||
| Air Attack Force | CinC 1st Air Fleet | 1st Air Fleet (less 4Sf, 5Sf,10S)1 | To attack and destroy enemy fleet; support Occupation Force. | ||
| Supporting Force | Comdr. CruDiv 8. | CruDiv 8, 2nd section of BatDiv 3. | To destroy enemy fleet; Cover Air Attack Force. | ||
| Screening Unit | Comdr. DesRon 10. | DesRon 10 (less DesDiv 7), DesDiv 4. | Screen; to destroy enemy fleet. | ||
| Supply Force | 1st Supply Unit Group | Comdr. Sp. Service Ship Kyokuta Maru. | Kyokuta M2 (1), Shin Koku M (2), Toho M (3), Nippon M (4), Kokuyo M (5), | Supply Duty | |
| 2nd Supply Unit Group | Under Direct Command. | Nichiro M (9), #2 Kyoei M (10), Hoko M (11). | |||
| Reserve Unit | Comdr. CarDiv 5. | CarDiv 5. | Maintenance; Training. Zuikaku to prepare for Third Phase Operation. | ||
Composition
| Command
| Number of Aircraft1
| Notes | ||||||
| Organization No. 5 | First Wave | Second Group | Third Attack Unit | Air Officer Hiryu | Direct Command | Air Officer Hiryu | Div. Comdr. Soryu | fo x 18 | 1 torpedo plane from Hiryu returned due to engine trouble. |
| Fourth Attack Unit | fo x 18 | ||||||||
| Second Wave | Fifth Group | 11th Attack Unit | Div. Comdr. Kaga | Div. Comdr. Kaga | Div. Comdr. Akagi | fb x 18 | |||
| 12th Attack Unit | fb x 18 | ||||||||
| Third Wave | Eighth Group | 1st Air Control Unit | Div. Comdr. Soryu | Div. Comdr. Akagi | fc x 9 | ||||
| 2nd Air Control Unit | Div. Comdr. Kaga | fc x 9 | |||||||
| Ninth Group | 3rd Air Control Unit | Div. Comdr. Soryu | fc x 9 | ||||||
| 4th Air Control Unit | Div. Comdr. Hiryu | fc x 9 | |||||||
Organization
| Commander
| Number of Aircraft
| Notes | |
| 14th Attack Unit | Hiryu Division Comdr. | fb x 18 | 2 planes of the Air Control Unit encountered and destroyed enemy torpedo planes en route, and did not join in the attack. | |
| 4th Air Control Unit | Hiryu Division Comdr. | fc x 6 | ||
Organization
| Commander
| Number of Planes
| Notes | |
| 4th Attack Unit | Air Officer Hiryu. | fo x 9 | Akagi's attack planes failed to use their torpedoes and brought them back. | |
| Akagi Attack Planes | Warrant Officer Nishimori | fo x 1 | ||
| 4th Air Control Unit | Division Comdr. Hiryu | fc x 4 | ||
| Kaga Air Control Unit | A Yamamoto | fc x 21 | ||
Organization
| Search Line No.
| Ship
| Plane Type
| Number
| Commander
| Notes |
| Recco Unit1 | 1 | Akagi | Type 97, ship based attack | 1 | Commander of respective planes. |
|
| 2 | Kaga | Type 97, ship based attack | 1 | |||
| 3 | Tone | Type 0, Float Recco | 1 | |||
| 4 | 1 | |||||
| 5 | Chikuma | Type 0, Float Recco | 1 | |||
| 6 | 1 | |||||
| 7 | Haruna | Type 0, Float Recco | 1 |
Last updated: April 13, 2003
Transcribed and formatted by Jerry Holden for the HyperWar Foundation