What research and development unit allegedly involved ex-soldier Yasuji Kaneko?
Unit 731 Unit 731 (Japanese: 731部隊 , Hepburn: Nana-san-ichi Butai ) was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that undertook lethal human experimentation during the Second Sino-Japanese War (1937–1945) of World War II. It was responsible for some of the most notorious war crimes carried out by Japan. Unit 731 was based at the Pingfang district of Harbin, the largest city in the Japanese puppet state of Manchukuo (now Northeast China).
Koji Ariyoshi Koji Ariyoshi (有吉幸治 ) (1914–1976) was a Nisei, labor activist, and a Sergeant in the United States Army during the Second World War.