Oh ya.
I have read that they actually thought and tested to send fleas infected with the plague.
Release them when they got over here.
The problem they had was it is so cold up there it wouldnt work.
“I have read that they actually thought and tested to send fleas infected with the plague.”
Operation Cherry Blossoms at Night.
They were going to hit southern California (They had already done it China.) but the war started to heat up close to Japan so they cancelled it.