In the Sengoku period, Yorihisa OGUNI, who served Kenshin UESUGI, distinguished himself in a follow-up strike in the first battle of Kawanakajima, as reserve corps in the Ecchu attack and in punitive expeditions to Sado and Kanto.
戦国時代(日本)になると小国頼久は上杉謙信に仕え、第一次川中島の戦いでの後詰、越中国攻めでの遊軍、佐渡国征伐や関東遠征へも参加など、戦功をあげた。