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Imperial Japanese Navy (IJN)

Imperial Japanese NavyImperial Japanese Navy Warships
Listing of Imperial Japanese Navy (IJN) warships

Imperial Japanese Navy Merchant Ships (Maru)
Listing of Imperial Japanese Navy (IJN) Merchant Ships (Maru)

Imperial Japanese Navy Submarines
Listing of Imperial Japanese Navy (IJN) submarines

Kaigun Tokubetsu Rikusentai (Special Naval Landing Force)
No. 1 Kure Special Naval Landing Force (1st Kure SNLF)
No. 2 Kure Special Naval Landing Force (2nd Kure SNLF)
No. 6 Kure Special Naval Landing Force (6th Kure SNLF)
No. 2 Maizuru Special Naval Landing Force (2nd Maizuru SNLF)
No. 3 Maizuru Special Naval Landing Force (3rd Maizuru SNLF)
No. 2 Sasebo Special Naval Landing Force (2nd Sasebo SNLF)
No. 5 Sasebo Special Naval Landing Force (5th Sasebo SNLF)
No. 7 Sasebo Special Naval Landing Force (7th Sasebo SNLF)
No. 1 Yokosuka Special Naval Landing Force (1st Yokosuka SNLF)
No. 6 Yokosuka Special Navy Landing Force (6th Yokosuka SNLF)
No. 7 Yokosuka Special Navy Landing Force (7th Yokosuka SNLF)

Keibitai (Naval Special Police)
81st Naval Guard Unit (81st Naval Garrison Unit)

Kōkūtai (Air Group)
The Imperial Japanese Navy (IJN) Kōkūtai (Air Group) were abreviated FG. On November 1, 1942 all named and ordinal numbered Kokutai were redesignated with three digit identifiers.

GF = Remgo Kantai
F = Kantai (Fleet)
SF = Koku Sentai (Air Force)
FG = Kōkūtai
(Air Group)
Sento Hikotai (Flying Unit)
Chutai (Company)
Shotai (Flight)

Yokohama Kōkūtai (Yokohama Ku)

Yokosuka Kōkūtai (Yokosuka Ku)

1st Kōkūtai (1st Ku)

2nd Kōkūtai (2nd Ku) / 582 Kōkūtai (582 Ku)

3rd Kōkūtai (3rd Ku) / 202 Kōkūtai (202 Ku)

Chitose Kōkūtai / 4th Kōkūtai (4th Ku)

5th Kōkūtai (5th Ku) / 452 Kōkūtai (452 Ku)

6th Kōkūtai (6th Ku) / 204 Kōkūtai (204 Ku)

14th Kōkūtai (14th Ku) / 802 Kokutai (802 Ku)

31st Kōkūtai (31st Ku) / 954 Kōkūtai (954 Ku)

33rd Kokutai / 932 Kokutai (932 Ku)

Established
Aircraft
Areas of Operation
February 1, 1942 D3A Val
Balikpapan (February 1942)
Makassar (March 1942)
Surabaya (April - June 1942)
Batavia (Jakarta) July - October 1942

Formed 1 February 1942 at Saeki; assigned to 3rd Fleet with eight Type 99 / D3A Vals, eight Type 97 / B5N Kates. During April 1942, moved under Southwest District Fleet, 2nd Southern Fleet, 21 Naval Base Force. On August 1, 1942 transfered their Type 99 bombers to the 31st Kokutai and became attack unit using only the Type 97 / B5N Kate. On November 1, 1942 redesignated as 932 Kokutai. Thanks to Jim Long for this information.

201 Kōkūtai (201 Ku)

202 Kōkūtai (202 Ku)

204 Kōkūtai (204 Ku)

Tainan Kōkūtai (Tainan Ku) / 251 Kōkūtai (251 Ku)

Genzan Kōkūtai (Genzan Ku)

252 Kōkūtai (252 Ku)

253 Kōkūtai (253 Ku)

301 Kōkūtai (301 Ku)

Established
Aircraft
Areas of Operation
  Zero

Iwo Jima (June - July 1944)

 

552 Kōkūtai (552 Ku)

582 Kōkūtai (582 Ku)

634 Kōkūtai (634 Ku)

Operated E16 Paul in the Philippines. Based at Canacao Seaplane Base (Cavite) with the T-301 Hikotai. Also, a detachment at Tacloban Seaplane Base. References Japanese Naval Air Force Fighter Units and Their Aces 1937-1945 page 234

701 Kōkūtai (701 Ku)

702 Kōkūtai (702 Ku)

703 Kōkūtai (703 Ku)

Misawa Kōkūtai / 705 Kōkūtai (705 Ku)

Kisarazu Kōkūtai / 707 Kōkūtai (707 Ku)

The Kisarazu Kokutai was established at Kisarazu Airfield.

Operated G4M1 Betty bombers from Vunakanau Airfield near Rabaul. Flew four bombing missions over Guadalcanal during September 1942.

On November 1, 1942 redesignated the 707 Kokutai.

Tail Codes
The group used different tail codes at various dates.

Tail code Dates
R- November 1, 1942 - ?
W1- ?

Kanoya Kōkūtai (Kanoya Air Group) / 751 Kōkūtai (751 Air Group)

Takao Kōkūtai (Takao Air Group) / 753 Kōkūtai (753 Ku)

755 Kōkūtai (755 Ku)

761 Kōkūtai (761 Ku)

Established
Aircraft
Areas of Operation
  G4M Betty
Clark Field

801 Kōkūtai (801 Ku)

Established
Aircraft
Areas of Operation
  Mavis  

Departed South Pacific area after October 1942

Toko Kōkūtai (Toko Ku) / 851 Kōkūtai (851 Ku)

901 Kōkūtai (901 Ku)

902 Kōkūtai (902 Ku)

Rabaul, Guam, Truk. During January 1944, F1M2 Petes and A6M2-N Zeros from the 902 Kokutai (902 Air Group) were based at Mortlock Islands. Tail code P1-5

933 Kōkūtai (933 Ku)

As of January 1, 1945, 933rd Kokutai in Indochina was absorbed by 936 Kokutai.

936 Kōkūtai (936 Ku)

As of January 1, 1945, the 933 Kokutai and other units in Indochina were absorbed by the 936 Kokutai. Supplied Jakes from the 901 Kokutai then based at Toko on Taiwan and Hong Kong. Some of these aircraft were immediately pressed into service and not repainted, thus still had their 901 Ku markings.

938 Kōkūtai (938 Ku)

951 Kōkūtai (951 Ku)
Activated on 15 December 1944 to streamline enhanced sea-lane protection measures by having Sasebo Ku, Maizuru Ku, Okainawa Ku, 453 Ku, and 256 Ku merged. With the headquarters based at Sasebo the unit had detachments to Chinkai, Kunsan, Saisuto, Hakata, Ohmura, Ibusuki, Koroku, Shanghai, Ryojun, Chintao, Fuko, and Shuzanto covering the South of Japan Sea, East China Sea as well as Genkai straits. Surveillance, ASW, and convoy escort. On 1 July 1945 the unit was reduced to a Suitei-tai only. 951st had 24 N1K1 Rex aircraft on 15 December 1944, but by 1 July 1945 these N1K1s had been removed from the unit and it was left with only 24 3-seat reconnaissance seaplanes (E13 Jake). References: magazine article by Akimoto, 1982.

954 Kōkūtai (954 Ku)

958 Kōkūtai (958 Ku)

1022 Kōkūtai (1022 Ku)

Established
Aircraft
Areas of Operation
  G4M
Luzon, Cebu

Tail code 1022-XX or 22-XX

Formed on July 10, 1944. Used G4M1 Betty bombers as armed transports. Operated from the Philippines from Clark Field, Lingayen and Cebu.


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