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4 Fleet was a regional force organized in 1937 to defend the Mandates. During the Centrifugal Offensive, it was given responsibility for seizing nearby Allied positions, such as Rabaul, Wake Island, and the Gilberts, of which only Wake was strongly defended.
CombinedFleet.com places AO Iro
with Wake Invasion Force.
However, no
other
source mentions an oiler with Wake Invasion Force. Rottman (2002) places 4 Fleet at Palau until February 1942 but this is not confirmed by any other source.
| 4 Fleet (Inoue; at Truk) | |||||
| CL Kashima | |||||
| AH Hikawa Maru | |||||
| ACM Mogamigawa Maru (7479 tons) | |||||
| ARC Yomabato Maru (5000 tons) | |||||
| AW Amakasu Maru #1 (1913 tons) | |||||
| AG Tateyama Maru (1990 tons) | |||||
| AP Kamakura Maru (7700 tons, 17.5 knots) | |||||
| AP Chiyo Maru (4700 tons) | |||||
| AP Haruna Maru (10,421 tons, 15.5 knots) | |||||
| AP Hokkai Maru (8416 tons, 16 knots) | |||||
| AO Kaijo Maru #2 (13,305 tons, 13.5 knots) | |||||
| AR Matsue Maru |
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| APD PB-32 (with Wake Invasion Force) | |||||
| APD PB-33 (with Wake Invasion Force) | |||||
| CX Kongo Maru (with Wake Invasion Force) | |||||
| CX Kinryu Maru (with Wake Invasion Force) | |||||
| 2 Maizuru SNLF (with Wake Invasion Force) | |||||
| Cruiser Division 18 (Marumo; with Wake Invasion Force) | |||||
| CL Tenryu | |||||
| CL Tatsuta | |||||
| Minesweeper Division 19 (Shima) | |||||
| ACM Tenyo Maru (10,150 tons, 13.5 knots) | |||||
| CM Okinoshima (with Gilbert Islands Force) | |||||
| CM Tokiwa (9240 tons; with Gilbert Islands Force) | |||||
| CM Tsugaru (4000 tons; with Guam Invasion Force) | |||||
| Destroyer Squadron 6 (Kajioka) | |||||
| CL Yubari (with Wake Invasion Force) | |||||
| Destroyer Division 29 | |||||
| DD Hayate (with Wake Invasion Force) | |||||
| DD Oite (with Wake Invasion Force) | |||||
| DD Asanage (with Gilbert Islands Force) | |||||
| DD Yumage (with Gilbert Islands Force) | |||||
| Destroyer Division 30 (with Wake Invasion Force) | |||||
| DD Kisaragi | |||||
| DD Mochizuki | |||||
| DD Mutsuki | |||||
| DD Yayoi | |||||
| Submarine Squadron 7 (Onishi.; at Kwajalein) | |||||
| AS Jingei |
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| Submarine Division 26 (en route Wake) | |||||
| SS Ro-60 |
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| SS Ro-61 |
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| SS Ro-62 |
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| Submarine Division 27 | |||||
| SS Ro-65 (en
route Wake) |
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| SS Ro-66 (en
route Wake) |
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| SS Ro-67 (en
route Gilbert Islands) |
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| Submarine Division 33 (en route Howland Island) | |||||
| SS Ro-63 |
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| SS Ro-64 |
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| SS Ro-68 |
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| 3 Base Force (Palau Islands) | |||||
| Minesweeper Division 13 | |||||
| AMc Ataka Maru #3 | |||||
| AMc Tomazono Maru #3 | |||||
| AMc Tokasago Maru | |||||
| AMc Toroshima Maru | |||||
| Gunboat Division 4 | |||||
| PG Edo Maru (1299 tons) | |||||
| PG Saiko Maru | |||||
| PG Fukuyama Maru (3581 tons, 15.5 knots) | |||||
| Subchaser Division 55 | |||||
| PC Showa Maru #5 (217 tons) | |||||
| PC Nichi Maru #1 | |||||
| PC Gamitsu Maru | |||||
| PC Showa Maru #3 (222 tons) | |||||
| 16 Naval Air Group (at Peleliu) | |||||
| 8 E13A Jake | |||||
| 4 F1M2 Pete | |||||
| 4 Base Force (Moizumi; at Truk) | |||||
| PG Choko Maru #2 (2629 tons) | |||||
| PG Choan Maru #2 (2613 tons) | |||||
| PG Heijo Maru (2627 tons) | |||||
| AN Koei Maru (863 tons) | |||||
| PC Takunan
Maru #10 (343 tons) |
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| Minesweeper Division 14 | |||||
| AMc Hogomoro Maru | |||||
| AMc Noshiro
Maru #2 (216 tons) |
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| AMc Tama
Maru (264 tons) |
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| AMc Tama
Maru #2 (264 tons) |
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| Gunboat Division 5 | |||||
| PG Keijo Maru (2626 tons) | |||||
| PG Nikkai Maru (2562 tons) | |||||
| PG Seikai Maru (2693 tons) | |||||
| Subchaser Division 56 | |||||
| SC Tama Maru #8 (279 tons) | |||||
| SC Toshi Maru #3 (298 tons) | |||||
| AN Kotobuki
Maru #5 (720 tons) |
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| Subchaser Division 57 | |||||
| |
|
PG Shonon Maru #15 | |||
| PC Takunan Maru #2 (343 tons) | |||||
| AN Kunimitsu Maru | |||||
| 17 Naval Air Group | |||||
| 6 E13A Jake | |||||
| 5 Base Force (Kasuga Atsushi; at Saipan) | |||||
| ` | Minesweeper Division 15 | ||||
| AMc Fumi
Maru #2 (304 tons) |
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| AMc Seku Maru #3 | |||||
| Gunboat Division 7 | |||||
| PG Kogyoku Maru | |||||
| PG Shotoku Maru (1964 tons) | |||||
| PG Hirotama Maru (1911 tons) | |||||
| PG Shoei Maru (3580 tons) | |||||
| Subchaser Division 59 | |||||
| PC Sonan Maru #5 | |||||
| PC Sonan Maru #6 | |||||
| AN Shofuku Maru (891 tons) | |||||
| Subchaser Division 60 | |||||
| PC Kyo Maru #8 | |||||
| PC Kyo Maru #10 | |||||
| AN Shuko Maru (889 tons) | |||||
| 18 Naval Air Group (at Aslito) | |||||
| 6 F1M2 Pete | |||||
| 6 E7K Alf | |||||
| 6 Base Force (Yatsushiro; at Kwajalein) | |||||
| PG Fukui Maru | |||||
| PG Hakkaisan Maru (3311 tons) | |||||
| PG Kaiun Maru | |||||
| PG Kaikei Maru | |||||
| PG Kantori Maru | |||||
| PG Santos Maru | |||||
| PG Toyotsu Maru (2930 tons) | |||||
| Minesweeper Division 16 | |||||
| AMc Shonan
Maru #8 (355 tons) |
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| AMc Shonan Maru #9 | |||||
| AMc Tama
Maru #3 (258 tons) |
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| AMc Tama
Maru #6 (275 tons) |
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| Gunboat Division 8 | |||||
| PG Chokai Maru | |||||
| PG Daido Maru (2962 tons) | |||||
| PG Ikunta Maru | |||||
| PG Nagata Maru (2969 tons) | |||||
| Subchaser Division 62 | |||||
| PC Takuna Maru #6 | |||||
| PC Takuna Maru #7 | |||||
| AN Katsura Maru (541 tons) | |||||
| Subchaser Division 63 | |||||
| PC Fumi
Maru #3 (370 tons) |
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| PC Shonon Maru #3 | |||||
| AN Kotobuki Maru #3 | |||||
| Subchaser DIvision 64 | |||||
| PC Shonon Maru #10 | |||||
| PC Shonon Maru #11 | |||||
| AN Kashima Maru (879 tons) | |||||
| Subchaser Division 65 | |||||
| PC Kyo Maru #6 | |||||
| PC Kyo Maru #7 | |||||
| AN Uji Maru | |||||
| 51 Guard Force (at Jaluit) |
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| 52 Guard Force (at Maloelap) |
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| 53 Guard Force (at Wotje) |
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| 19 Naval Air Group | |||||
| Kwajalein: | |||||
| 6 F1M2 Pete | |||||
| 6 E13A Jake | |||||
| Jaluit: | |||||
| 4 F1M2 Pete | |||||
| 2 E13A Jake | |||||
| 24 Air Flotilla (Goto; at Kwajalein) | |||||
| 24 NAF Transport Unit (11 transports of uncertain type) | |||||
| AV Kiyokawa Maru (off Guam) | |||||
| 6 E8N Dave | |||||
| 2 E7K Alf | |||||
| AV Goshu Maru (10,600 tons, 14.5 knots) | |||||
| Yokohama Air Group (at Maloelap) | |||||
| Taroa NAS, Maloelap: | |||||
| 21 H6K Mavis | |||||
| Imiage NAS, Jaluit: | |||||
| 11 H6K Mavis | |||||
| Chitose Air Group (at Kwajalein) | |||||
| AV Kamoi (at Truk) | |||||
| Roi NAS, Kwajalein: | |||||
| 36 G3M Nell | |||||
| 1 G4M Betty | |||||
| 24 A5M Claude | |||||
| Taroa NAS, Maloelap: | |||||
| 12 A5M Claude | |||||
| Wake Invasion Force (Kajioka; at Ruotta anchorage, Kwajalein) | |||
| Cruiser Division 18 (Marumo) | |||
| CL Tenryu | |||
| CL Tatsuta | |||
| Elements, Destroyer Squadron 6 (Kajioka) | |||
| CL Yubari | |||
| Elements, Destroyer Division 29 | |||
| DD Hayate | |||
| DD Oite | |||
| Destroyer Division 30 | |||
| DD Kisaragi | |||
| DD Mochizuki | |||
| DD Mutsuki | |||
| DD Yayoi | |||
| APD PB-32 | |||
| APD PB-33 | |||
| CX Kongo Maru (8624 tons, 16.5 knots) | |||
| CX Kinryu Maru (6524 tons, 11 knots) | |||
| AS JingeiRottman (2002) | |||
| Maizuru 2 SNLF (450 men plus garrison troops) | |||
| Gilbert Islands Force (Shima) | |||
| Elements, Minesweeper Division 19 (Shima) | |||
| CM Okinoshima | |||
| CM Tokiwa (9240 tons) | |||
| CM Tsugaru (4000 tons) | |||
| Elements, Destroyer Squadron 6 | |||
| Elements, Destroyer Division 29 | |||
| DD Asanage | |||
| DD Yumage | |||
| Elements, 51 Guard Force |
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References
CombinedFleet.com (accessed 2008-1-3)
Jentschura, Jung, and Mickel (1977)
The Pacific War Online Encyclopedia © 2007, 2010 by Kent G. Budge. Index
