State of the World from NPR

A Secret History of the Japanese Army

Aug 15, 2025
Delve into the chilling legacy of Japan's Unit 731, a secretive biological warfare unit notorious for its inhumane experiments during WWII. Discover the controversial immunity granted to its members and the ethical implications for justice post-war. Meanwhile, the discussion shifts to the evolving landscape of U.S. human rights policy under the Trump administration, highlighting neglected issues around women's and LGBTQ+ rights. Finally, explore the increasing challenges faced by LGBTQI asylum seekers in the U.S., exacerbated by recent policy changes.
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ANECDOTE

Former Youth Corps Member’s Horror

  • Hideyoshi Mizu joined Unit 731 at 14 and saw jars of human organs and a full female body with a fetus preserved in a jar.
  • He says doctors called prisoners "maruta" (logs) and he collected their bones in bags, describing brutal dehumanization.
ANECDOTE

Son Discovers Father’s Unit 1644 Photos

  • Katsutoshi Takegami found his father's trunk with photos linking him to Unit 1644 and began researching his military service.
  • He felt worried his father "had done something bad" and used the discovery to investigate Japan's bio-warfare program.
INSIGHT

Immunity For Data Shaped Postwar Memory

  • Newly released Unit 1644 rosters gave researchers fresh evidence about Japan's wartime bio-units and roles.
  • Cambridge historian Barack Kushner says the U.S. granted Unit 731 immunity to secure experimental data and keep it from the Soviets.
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