MAKE A MEME View Large Image Large Air Sound Detector Type 90.jpg en Pre-World War 2 photograph of Japanese Emperor Hirohito inspecting an array of acoustic aircraft locators Their precise location is unknown Prior to the development of radar in World War 2 military ...
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Keywords: Large Air Sound Detector Type 90.jpg en Pre-World War 2 photograph of Japanese Emperor Hirohito inspecting an array of acoustic aircraft locators Their precise location is unknown Prior to the development of radar in World War 2 military air defence forces used these devices to locate approaching enemy aircraft by listening for the sound of their engines before 1945 PD-Japan-oldphoto Sound locators
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