[1] The unit was notable for its success in establishing cooperative ties between the Empire of Japan and the Indian independence movement, overseas Chinese and various Malay sultans.[2] The F-Kikan was named after its leader, Major Fujiwara Iwaichi, chief of intelligence of the Japanese 15th Army, initially stationed in Bangkok in late 1941.After the attack on Pearl Harbor, the 15th Army was tasked with the invasion of Malaya, during which time F-Kikan rescued Sultan Abdul Hamid Halim of Kedah and his family.His son (and future Malaysian Prime Minister) Tunku Abdul Rahman made a radio announcement urging the Malay people to cooperate with Japan.F-Kikan also attempted to mobilize the anti-British Kesatuan Melayu Muda, but since most of its leadership had been arrested by the British authorities shortly after the start of the war, its impact was minor.
Former F-Kikan Aceh members pose with their Japanese leader, Masabuchi, 3 January 1943. Many of them later became civil servants in the
Japanese occupation government in Indonesia
.