The three members, foot soldier Bugyo, horse soldier Bugyo, and Army Bugyo as a head, were placed, and the three soldiers tactics using foot soldiers, horse soldiers, and artillery were introduced.
陸軍奉行を長として、その下に歩兵奉行3人と騎兵奉行を置き、歩兵・騎兵・砲兵の三兵戦術を導入した。