Keikokugakure Research Corps

The Keikokugakure Research Corps (渓谷隠れ攻究隊, Keikokugakure Kōkyūtai) is a research facility located in Keikokugakure that invents and develops appliances for national use. Thanks to the country's neutral standing during the four shinobi wars, huge sums of money was applied to rapidly advance development in projects such as electrical devices, weaponry for combat and defence and even transportation (air, ground, water vehicles etc.). Thanks to this, Keikokugakure is such to rival, or even surpass the five shinobi nations and even nations like the in technological development and advancement.

Invented by Research Corps

 * Landmines (as well as air mines, sea mines etc.)
 * Explosive Rockets
 * Mortars