While in the army, he served as a leader of a machine-gun unit and was dispatched to the southern front, later moving to the 18th Area Army Headquarters Intelligence Department stationed in Bangkok in the Kingdom of Thailand, and ending the war at the intelligence department headed by Masanobu TSUJI.
軍隊では機関銃隊の小隊長として南方戦線に派遣され、のちにタイ王国のバンコク駐屯の第18方面軍司令部情報部を経て終戦時は辻政信が部長の情報部にいた。