15th Brigade (Japan)

15th Brigade
Active26 March 2010 – present
Country Japan
Branch Japan Ground Self-Defense Force
TypeBrigade
Size2500 soldiers
Part of Western Army
Garrison/HQNaha
Commanders
Current
commander
Maj. Gen. Hideki Agario

The 15th Brigade (第15旅団) is one of eight active brigades of the Japan Ground Self-Defense Force. The brigade is subordinated to the Western Army[1] and is headquartered in Naha, Okinawa.[2] Its responsibility is the defense of Okinawa Prefecture.

History

The 15th Brigade was raised to replace the 1st Combined Brigade on March 26, 2010.[3][2]

In September 2025 it was reported that it is planned for the brigade to be nominally upgraded into a division in 2026.[4]

Organization

note 1: Infantry Regiments have only battalion strength.

References

  1. ^ "Japan Self Defense Force, Marines Train for Disasters - Japan | ReliefWeb".
  2. ^ a b "Amphibious Rapid Deployment Brigade [ARDB] / 15th Brigade".
  3. ^ "FOCUS: Once vilified, GSDF are now "indispensable deterrent" in Okinawa".
  4. ^ "Japanese MoD to establish new division and special operations brigade - European Security & Defence". 24 September 2025. Retrieved 7 February 2026.