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WW2 Germ Lab Cover-Up In Occupied Singapore: Oka 9420 | Inside Unit 731 - Extra

17.2K views· 348 likes· 6:20· Jun 10, 2026

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Singapore historian Lim Shao Bin uncovers the hidden story of OKA 9420 - a secret Japanese germ warfare base established in Singapore during World War II. Through rare archival material and testimony from the son of Dr JMJ Supramaniam, a young medical student recruited into the unit, the investigation reveals how plague-infected fleas were bred in Singapore and linked to biological attacks carried out by Unit 731 across China. Decades later, newly uncovered evidence and personal artifacts shed light on a forgotten chapter of Singapore’s wartime history. WATCH MORE Inside Unit 731: Japan's Secret Human Experiments Part 1: https://youtu.be/AXM1DozZwjk Part 2: https://youtu.be/LqB5fAHjyME Indonesia extra: https://youtu.be/c97IQ4HNs58 ===== About the show: Inside Unit 731 exposes Japan’s secret biological weapons programme through survivor testimony, a former member’s confession and new evidence of hidden wartime human experiments. ========== #CNAInsider #CNAInsideUnit731 #Unit731 #Singapore #Japan #Japanese #War #WorldWar2 #WW2 #WWII #BiologicalWarfare #History #HiddenHistory #Documentary For more, SUBSCRIBE to CNA INSIDER! https://cna.asia/insideryoutubesub Follow CNA INSIDER on: Instagram: https://www.instagram.com/cnainsider/ Facebook: https://www.facebook.com/cnainsider/ Website: https://cna.asia/cnainsider

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