there are allegations that 731-style biological weapons were dropped by america during the korean war, carried by bugs: https://en.wikipedia.org/wiki/Allegation

there are allegations that 731-style biological weapons were dropped by america during the korean war, carried by bugs: https://en.wikipedia.org/wiki/Allegations_of_biological_warfare_in_the_Korean_War https://en.wikipedia.org/wiki/Allegations_of_biological_warf... covered in part by this errol morris(!) documentary miniseries: https://en.wikipedia.org/wiki/Wormwood_(miniseries) https://en.wikipedia.org/wiki/Wormwood_(miniseries)