1st Mobile Fleet (Imperial Japanese Navy)
The 1st Mobile Fleet (第一機動艦隊 Dai-Ichi Kidō Kantai) was a fleet of the Imperial Japanese Navy established during World War II.
Structure of the 1st Mobile Fleet
Task Force A, 1st Mobile Fleet during the Battle of the Philippine Sea on 20 June 1944
| Date | Higher Fleet | Lower Fleets | Divisions, Squadrons and attached elements |
|---|---|---|---|
| 1 March 1944 (original) | Combined Fleet | 2nd Fleet | 4th CruDiv., 5th CruDiv., 2nd CruDesron. |
| 3rd Fleet | 1st CarDiv., 2nd CarDiv., 3rd BatDiv., 7th CruDiv., 10th CruDesron., Aircraft carrier Chitose, Heavy cruiser Mogami, Light cruiser Ōyodo, 601st NAG | ||
| 1 April 1944 | 2nd Fleet | 4th CruDiv., 5th CruDiv., 7th CruDiv., 2nd CruDesron. | |
| 3rd Fleet | 1st CarDiv., 2nd CarDiv., 3rd CarDiv., 3rd BatDiv., 10th CruDesron., Heavy cruiser Mogami, 601st NAG | ||
| 1 May 1944 | 2nd Fleet | 4th CruDiv., 5th CruDiv., 7th CruDiv., 2nd CruDesron. | |
| 3rd Fleet | 1st CarDiv., 2nd CarDiv., 3rd CarDiv., 4th CarDiv., 3rd BatDiv., 10th CruDesron., Heavy cruiser Mogami, 601st NAG | ||
| 10 July 1944 | 2nd Fleet | 1st BatDiv., 4th CruDiv., 5th CruDiv., 7th CruDiv., 2nd CruDesron. | |
| 3rd Fleet | 1st CarDiv., 3rd CarDiv., 4th CarDiv., 3rd BatDiv., 10th CruDesron., Heavy cruiser Mogami, 601st NAG | ||
| 15 August 1944 | 2nd Fleet | 1st BatDiv., 3rd BatDiv., 4th CruDiv., 5th CruDiv., 7th CruDiv., 2nd CruDesron. | |
| 3rd Fleet | 1st CarDiv., 3rd CarDiv., 4th CarDiv., 10th CruDesron., Heavy cruiser Mogami, 601st NAG | ||
| 15 October 1944 | 2nd Fleet | 1st BatDiv., 2nd BatDiv., 3rd BatDiv., 4th CruDiv., 5th CruDiv., 7th CruDiv., 2nd CruDesron. | |
| 3rd Fleet | 1st CarDiv., 3rd CarDiv., 4th CarDiv., 10th CruDesron., Heavy cruiser Mogami, 601st NAG | ||
| 6th Fleet | 7th Subron., 8th Subron., 11th Subron., 15th Subflotilla, 34th Subflotilla, Submarine I-12, 22nd CruDiv., 11th CruDesron., 31st CruDesron., Aircraft carrier Hōshō, Seaplane tender Akitsushima, Auxiliary submarine tender Tsukushi Maru, No.30 Submarine Base Unit, No.31 Submarine Base Unit | ||
| 15 November 1944 | disbanded | ||
Commanders of the IJN 1st Mobile Fleet
Commander in chief
| Rank | Name | Date | Additional post | |
|---|---|---|---|---|
| 1 | Vice-Admiral | Jisaburō Ozawa | 1 March 1944 | Commander of the 3rd Fleet and the 1st Carrier Division |
| 1 October 1944 | Commander of the 3rd Fleet (and direct control for the 3rd Carrier Division) | |||
Chief of staff
| Rank | Name | Date | Additional post | |
|---|---|---|---|---|
| 1 | Rear-Admiral | Keizō Komura | 1 March 1944 | Chief of staff of the 3rd Fleet |
| 2 | Rear-Admiral | Sueo Ōbayashi | 1 October 1944 | Chief of staff of the 3rd Fleet |
Bibliography
- The Maru Special series, "Ushio Shobō". (Japan)
- Ships of the World series, "Kaijinsha"., (Japan)
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