Around 132,000. 35,000 of those were American.How many POWs were there released at the end of the war?
Here's the specific Japanese order concerning POWs:Add those, as I'm fairly certain the plan was to execute them all at or before the first landing.
The executions were scheduled to occur on August 22, 1945.Whether they are destroyed individually or in groups, or however it is done, with mass bombing, poisonous smoke, poisons, drowning, decapitations, or what, dispose of them as the situation dictates.
In any case it is the aim not to allow the escape of a single one, to annihilate them all, and not to leave any traces.
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Of course this assumes that the population fights, ....