Eastern Army
東部方面隊
Eastern Army Distinctive Unit Insignia
Active	14 January 1960 – present
Country	Japan
Branch	Japan Ground Self-Defense Force
Type	Field army
Garrison/HQ	Camp Asaka, Asaka, Saitama
Commanders
Current commander	Lt. Gen. Naotada Moriyama

The Eastern Army (東部方面隊, Tōbu Hōmentai) is one of five active Armies of the Japan Ground Self-Defense Force headquartered at Camp Asaka in Asaka, Saitama Prefecture. Its responsibility is the defense of the Kantō and the Northern half of the Chūbu region.

Organization

• Eastern Army, at Camp Asaka in Asaka
  • 1st Division, at Camp Nerima in Nerima, responsible for the defense of Tokyo and the Chiba, Ibaraki, Kanagawa, Saitama, Shizuoka and Yamanashi prefectures.
  • 12th Brigade (Air Assault), at Camp Soumagahara in Shintō, responsible for the defense of Gunma, Nagano, Niigata and Tochigi prefectures.
  • 1st Engineer Brigade, at Camp Koga in Koga
    • 4th Engineer Group (Construction), at Camp Zama in Sagamihara
    • 5th Engineer Group (Construction), at Camp Takada in Jōetsu
    • 101st Equipment Company, at Camp Koga in Koga
    • 301st Vehicle Company, at Camp Koga in Koga
    • 306th Engineer Company, at Camp Matsumoto in Matsumoto
    • 307th Engineer Company, at Camp Utsunomiya in Utsunomiya
  • Eastern Army Combined (Training) Brigade, at Camp Takeyama in Yokosuka
    • 31st Infantry Regiment, at Camp Takeyama in Yokosuka
    • 48th Infantry Regiment, at Camp Soumagahara in Shintō
    • 3rd Basic Training Battalion, at Camp Itazuma in Gotemba
    • 117th Training Battalion, at Camp Takeyama in Yokosuka
    • Woman Army Corps Training Unit, at Camp Asaka in Asaka
  • Eastern Army Field Artllery Regiment, at Camp Kita Fuji in Oshino
    • 1st Artillery Battalion, at Camp Kita Fuji in Oshino
    • 2nd Artillery Battalion, at Camp Utsunomiya in Utsunomiya　　
  • 2nd Anti-Aircraft Artillery Group, at Camp Matsudo in Matsudo, with Type 3 Chū-SAMs
  • Eastern Army Aviation Group, at Camp Tachikawa in Tachikawa
    • 4th Anti-tank Helicopter Battalion, at Camp Kisarazu in Kisarazu
    • Eastern Army Helicopter Battalion, at Camp Tachikawa in Tachikawa
    • Eastern Army Meteorological Company, at Camp Tachikawa in Tachikawa
    • Logistic Support Battalion, at Camp Tachikawa in Tachikawa
  • Eastern Army Signal Group, at Camp Asaka in Asaka
    • 105th Signal Battalion, at Camp Asaka in Asaka
    • 105th Command Center Signal Battalion, at Camp Asaka in Asaka
    • 304th Central Communication Company, at Camp Asaka in Asaka
  • Eastern Army Logistic Support Troop, at Camp Asaka in Asaka
  • Kantō Logistic Depot, at Camp Kasumigaura in Tsuchiura
  • Eastern Army Finance Service, at Camp Asaka in Asaka
  • Eastern Army Medical Service, at Camp Asaka in Asaka
  • Eastern Army Command Post Training Support, at Camp Asaka in Asaka
  • Eastern Army Intelligence Analysis, at Camp Asaka in Asaka
  • Eastern Army Band, at Camp Asaka in Asaka