#46 Japanese Emperor Hirohito inspects his military’s acoustic aircraft locators — used to detect planes by the sounds of their engines in the days before radar — sometime prior to the end of World War II.

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Japanese Emperor Hirohito inspects his military’s acoustic aircraft locators — used to detect planes by the sounds of their engines in the days before radar — sometime prior to the end of World War II.

Bizarre Photos from the Past That Show How Weird our History was

#46 Japanese Emperor Hirohito inspects his military’s acoustic aircraft locators — used to detect planes by the sounds of their engines in the days before radar — sometime prior to the end of World War II.

Weird