UNIT 731: JAPAN’S SECRET BIOLOGICAL WARFARE PROGRAM IN CHINA
Unit 731 was operated by the Imperial Japanese Army’s Kwantung Army under physician and army officer Shiro Ishii. Its principal complex was at Pingfang, outside Harbin, in Japanese-controlled Manchuria. Officially it was disguised as an “Epidemic Prevention and Water Purification Department.” In reality, it became the hub of a much larger network devoted to biological warfare.
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