It has been 80 years, but Hideo Shimizu still remembers the 4½ months he spent with Unit 731, the biological and chemical warfare unit of the now-defunct Imperial Japanese Army, like they were yesterday. https://www.japantimes.co.jp/news/2025/08/13/japan/history/japan-wwii-unit-731/?utm_medium=Social&utm_source=mastodon #japan #history #wwii #imperialjapanesearmy #biologicalweapons#unit731