The was a grouping of naval aviation and surface units.
Assignments and Components Date Higher unit Lower units 15 January 1941 (original) Combined Fleet 21st Air Flotilla, 22nd Air Flotilla, 24th Air Flotilla 10 December 1941 Combined Fleet 21st Air Flotilla, 22nd Air Flotilla, 23rd Air Flotilla,DesDiv. 34 (Destroyer Akikaze, Hakaze, Tachikaze), Auxiliary aircraft transport Keiyō Maru, Lyons Maru, Kamogawa Maru, Amagisan Maru, Nikkoku Maru, Tatsugami Maru, Hinō Maru No. 5, Nana Maru 1st Yokosuka SNLF, 2nd Yokosuka SNLF 14 July 1942 Combined Fleet 22nd Air Flotilla, 24th Air Flotilla, 25th Air Flotilla, 26th Air Flotilla,DesDiv. 34, Auxiliary aircraft transport Lyons Maru, Keiyō Maru, Nagoya Maru 24 December 1942 Southeast Area Fleet 22nd Air Flotilla, 24th Air Flotilla, 25th Air Flotilla, 26th Air Flotilla, Atsugi NAG, Toyohashi NAG, 802nd NAG,Seaplane tender Akitsushima, Destroyer Akikaze, TachikazeAuxiliary aircraft transport Lyons Maru, Keiyō Maru, Nagoya Maru, Goshū Maru, Mogamigawa Maru, Fujikawa Maru 1 January 1944 Southeast Area Fleet 25th Air Flotilla, 26th Air Flotilla, 151st NAG,Seaplane tender Akitsushima, Destroyer Akikaze, Tachikaze 15 August 1944 Southeast Area Fleet 958th NAG, 105th Air Base Unit 6 September 1945 Surrendered to Australia at Rabaul.
Commanders Rank Name Date Note, additional post1 Vice-Admiral Eikichi Katagiri 15 January 1941 2 Vice-Admiral Nishizō Tsukahara 10 September 1941 3 Vice-Admiral Jin'ichi Kusaka 1 October 1942 24 December 1942 Commander of the Southeast Area Fleet
Chiefs of Staff Rank Name Date Note, additional post1 Rear-Admiral Takijirō Ōnishi 15 January 1941 2 Rear-Admiral Munetaka Sakamaki 10 February 1942 3 Rear-AdmiralVice-Admiral Yoshimasa Nakahara 24 December 19421 November 1943 Chief of staff of the Southeast Area Fleet4 Rear-Admiral Ryūnosuke Kusaka 29 November 1943 Chief of staff of the Southeast Area Fleet5 Rear-Admiral Sadatoshi Tomioka 6 April 1944 Chief of staff of the Southeast Area Fleet6Vice-Admiral Naosaburō Irifune 7 November 1944 Chief of staff of the Southeast Area FleetCommander of the 8th Base Force1 December 1944 Chief of staff of the Southeast Area Fleet
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