634th Naval Air Group

634th Naval Air Group
Active	May 1, 1944 – postwar.
Country	Empire of Japan
Allegiance	Empire of Japan
Branch	Imperial Japanese Navy
Type	Naval aviation unit
Role	Bomber, reconnaissance
Size	48 aircraft (initial)
Part of	4th Carrier Division 2nd Air Fleet 1st Air Fleet 5th Air Fleet 32nd Air Flotilla
Garrison/HQ	Iwakuni, Japan Kure, Japan Battleship Hyūga Cavite, Philippines Donggang, Taiwan Genkai, Japan Ibusuki, Japan Sakura Island, Japan
Aircraft flown	E16A Zuiun "Paul" D4Y Suisei "Judy" D3A Type 99 "Val" B6N Tenzan "Jill" A6M Type 0 "Zeke" E13A Type 0 "Jake"
Engagements	World War II Formosa Air Battle Philippines Campaign Battle of Okinawa
Insignia
Identification symbol	634 or squadron code

The 634th Naval Air Group (第六三四海軍航空隊, Dai Roku-San-Yon Kaigun Kōkūtai) was a carrier air group (later converted to airbase garrison unit) of the Imperial Japanese Navy (IJN) during the Pacific campaign of World War II.

• Higher unit
  • 4th Carrier Division (1 May 1944–14 November 1944)
  • 2nd Air Fleet (15 November 1944–7 January 1945)
  • 1st Air Fleet (8 January 1945–24 May 1945)
  • 5th Air Fleet (25 May 1945–2 August 1945)
  • 32nd Air Flotilla (3 August 1945–postwar)
• Lower unit
  • 163rd Fighter Squadron (1 August 1944–14 November 1944)
  • 167th Fighter Squadron (15 August 1944–14 November 1944)
  • 301st Reconnaissance Squadron (1 January 1945–postwar)
  • 302nd Reconnaissance Squadron (1 July 1945–postwar)
• Commanding officers
  • Cdr. / Capt. Amagai Takehisa (51) - 1 May 1944 - 15 November 1944 (Captain on 15 October 1944.)
  • Cdr. Emura Nichio (57) - 15 November 1944 - 3 July 1945
  • Capt. Katsumi Korokuro (51) - 3 July 1945 - 15 September 1945

• The Japanese Modern Historical Manuscripts Association, Organizations, structures and personnel affairs of the Imperial Japanese Army & Navy, University of Tokyo Press, Tōkyō, Japan, 1971, ISBN 978-4-13-036009-8.
• Bunrin-Dō Co., Ltd., Tōkyō, Japan.
  • Famous airplanes of the world No. 47, Imperial Japanese Navy Reconnaissance Seaplane, 1994.
  • Famous airplanes of the world No. 69, Navy Carrier Dive-Bomber "Suisei", 1998, ISBN 4-89319-066-0.
  • Koku-Fan Illustrated No. 42, Japanese Imperial Army & Navy Aircraft Color, Markig, 1988.
• Model Art, Model Art Co. Ltd., Tōkyō, Japan.
  • No. 439, Special issue Heroes of the Imperial Japanese Navy Air Force in 1937–1945, 1994.
  • No. 510, Special issue Camouflage & Markings of the I.J.N. Fighters, 1998.
  • No. 565, Special issue Imperial Japanese Navy Seaplanes, 2000.
• Japan Center for Asian Historical Records (http://www.jacar.go.jp/english/index.html)^{[permanent dead link]}, National Archives of Japan, Tōkyō, Japan.
  • Reference Code: C08051771200, Transition table of formation of Imperial Japan Navy Air Units (special establishment) during Pacific War, Japan Demobilization Agency, 1949.

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Imperial Japanese Navy air units

Air Fleet

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• 10
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Air Flotilla

• 11
• 12
• 13
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 32
• 51
• 53
• 61
• 62
• 71
• 72
• 101

Combined Air Group

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• 2
• 3
• 4
• 11
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• 14
• 15
• 18
• 19
• 20
• 21
• 22
• 23
• 24

Air Group

• 1
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• 3
• 4
• 5
• 6
• 7
• 8
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 21
• 22
• 23
• 31
• 32
• 33
• 35
• 36
• 40

Naval Air Group
(Numbered name)

• 121
• 131
• 132
• 133
• 141
• 151
• 153
• 171
• 201
• 202
• 203
• 204
• 205
• 210
• 221
• 251
• 252
• 253
• 254
• 256
• 261
• 263
• 265
• 281
• 301
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• 321
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• 331
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• 341
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• 361
• 381
• 452
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• 531
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• 582
• 601
• 631
• 634
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• 801
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• 851
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• 931
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• 934
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• 938
• 951
• 952
• 953
• 954
• 955
• 956
• 958
• 1001
• 1021
• 1022
• 1023
• 1081

Naval Air Group
(Place name)

Expeditionary unit	Chitose Genzan (I) Kanoya (I) Kisarazu Mihoro Misawa (I) Takao (I) Tainan (I) Tōkō Yokohama
Patrol / Defensive unit	Chichijima Chinkai Kure Kushimoto Maizuru Okinawa Ōminato Saeki Sasebo Tateyama Toyohashi (I) Yokosuka
Practice unit	Atsugi Genzan (II) Hakata Kaikō Kanoya (II) Komatsushima Kōnoike Matsushima Miyazaki Nagoya Ōi Ōita Ōmura San'a Seitō Shanhai Shinchiku Sukumo Suzuka Tainan (II) Takao (II) Tokushima Toyohashi (II) Tsuiki (I) Tsukuba Usa Yatabe
Basic training unit	Amakusa Fukuyama Himeji Hyakurihara Isahaya Iwakuni (I) Izumi 1st Izumi Jinmachi Kan'onji Kashima Kitaura Kobi Kōchi Kokubu 2nd Kōriyama Kōshū 2nd Kōwa 2nd Miho Mineyama 3rd Okazaki Ōryū Ōtsu Pusan Saijō 2nd Takao Takuma Tōkyō Tsuiki (II) Yamato
Mechanic training unit	Fujisawa Hitoyoshi 2nd Izumi 2nd Kanoya Katori Kōriyama 1st Kōriyama Kōwa 1st Kōwa Kushira Oihama Okazaki 1st Okazaki 2nd Okazaki Sagamino 1st Sagamino 2nd Sagamino Sunosaki 2nd Tainan Tarumi Taura
Preparatory flight training unit	Fukuoka Iwakuni (II) Kagoshima Kasumigaura Kofuji Komatsu Kōyasan Kurashiki Matsuyama Mie Miho 1st Miho Misawa (II) Nara Nishinomiya Seto Shiga Shimizu Takarazuka Tsuchiura Urado Uwajima

Naval Air Group
(Regional name)

• Chōsen
• Chūhi
• Chūshi
• Gōhoku
• Higashikarorin
• Hitō
• Hokuhi
• Hokutai
• Hokutō
• Inshi
• Kantō
• Kinki
• Kyūshū
• Marai
• Mariana
• Naikai
• Nanpi
• Nanpōshotō
• Nanseishotō
• Nantai
• Nishikarorin
• Ōu
• Saikai
• San'in
• Taiwan
• Tōin
• Tōkai

Flying squadron

Fighter Squadron	161 162 163 164 165 166 167 301 302 303 304 305 306 307 308 309 310 311 312 313 315 316 317 318 351 401 402 403 407 601 602 603 701 804 812 851 901 902
Attack Squadron	1 3 5 102 103 105 107 161 251 252 253 254 256 262 263 401 405 406 501 701 702 703 704 705 706 707 708 709 711
Reconnaissance Squadron	3 4 11 12 61 101 102 301 302

Special unit

• R-Area Air Force

• Organization of the Imperial Japanese Navy Air Service

(I)

First generation

(II)

Second generation