Puneet Varma

Western Army (Japan)

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Country  Japan
Size  Army
Western Army (Japan)
Active  1 December 1955 – present
Branch  Japan Ground Self-Defense Force
Part of  Japan Ground Self-Defense Force
Garrison/HQ  Camp Kengun, Kumamoto, Kyūshū

The Western Army (西部方面隊) is one of five active Armies of the Japan Ground Self-Defense Force. It is headquartered in Kumamoto, Kumamoto Prefecture. Its responsibility is the defense of Kyūshū and Okinawa.



  • Western Army, in Kumamoto
  • 4th Division, in Kasuga, responsible for the defense of the Fukuoka, Nagasaki, Ōita and Saga prefectures
  • 8th Division, in Kumamoto, responsible for the defense of the Kagoshima, Kumamoto and Miyazaki prefectures
  • 15th Brigade, in Naha, responsible for the defense of Okinawa Prefecture
  • 2nd Anti-Aircraft Artillery Brigade, in Iizuka
  • 3rd Anti-Aircraft Artillery Group, in Iizuka (MIM-23 Hawk)
  • 7th Anti-Aircraft Artillery Group, in Ōmura (MIM-23 Hawk)
  • Western Army Combined (Training) Brigade, in Sasebo
  • 5th Engineer Brigade, in Ogōri
  • Western Army Artillery, in Yufu
  • 5th Anti-Ship Missile Regiment, in Kumamoto (Type 88 Surface-to-Ship Missile)
  • 112th Artillery Battalion, in Yufu (M110 Howitzer)
  • 132nd Artillery Battalion, in Yufu (M270 Multiple Launch Rocket System)
  • Western Army Aviation Group, in Mashiki
  • Western Army Logistic Support, in Yoshinogari
  • Western Army Signals, in Kumamoto
  • Western Army Medical Service, in Kumamoto
  • Western Army Military Intelligence Battalion, in Kumamoto
  • Western Army Infantry Regiment (Amphibious orientated Ranger equivalent force), in Sasebo
  • Kyūshū Logistic Depot, in Yoshinogari
  • History

    In August 2010, a proposal was being considered by the then Japanese government to convert a conventional [battalion strength] regiment from either the 8th Division or the 15th Brigade into a "US-style" amphibious unit, effectively giving the Western Army a battalion of marines for dealing with contingencies. This proposal seems have been shelved or fallen into limbo in the interim.

    As of June 2013, as part of an ongoing expansion of defense capabilities in the Western Army's area of responsibility, the MOD were considering creating a special "isle assault unit", whose role would be the recapture of remote Japanese islands that had been invaded by a foreign power., It would share this mission with the pre-existing Western Army Infantry Regiment, itself currently undergoing an expansion in manpower and equipment (e.g. increase in authorised strength to 680 effectives, & adding (initially 4) AAVP-7A1's to its TOE). Equipment for the new unit on the other hand, may ultimately include the Maneuver Combat Vehicle and the Light-weight Combat Vehicle (LCV) System, both of which were designed in part with the remote island defence mission in mind.

    If stood up, the new unit together with the WAIR would form a major part of the Western Army's first response to a hostile incursion in the more remote parts of its AOR. In early September 2015, plans for the creation of the new unit, now referred to as an 'amphibious mobile unit' were confirmed. The new unit is to be stood up by the end of FY2017, with a training corps to be set up in the interim (by the end of FY2016).

    In 2013 troops from the Western Army Infantry Regiment deployed from the JS Hyuga and JS Shimokita for an amphibious warfare exercise in California.

    Other Developments

    Under current plans, the Western Army will have priority on deliveries of the new Type 12 Surface-to-Ship Missile upgrade (six sets on order to date [July 2013]). The Type 12 will be initially deployed with the 5th Anti-Ship Missile Regiment, but ultimately the 6th Anti-Ship Missile Regiment (deactivated 21 April 2011) may be reactivated to operate the new systems.

    Note: GSDF Anti-Ship Missile Regiments are alternatively known as Surface-to-Surface Missile Regiments.


    Western Army (Japan) Wikipedia

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