They went to a battlefield or the related area to engage in maneuver activities upon order, while they search for information on each region as working as peasant or peddler in their quotidian life.
普段は農業をしたり行商をしたりして各地の情報を探る一方、指令が下ると戦場やその後方へ出向き工作活動に励んだ。