How we entered World War 2

On the morning of December 7, 1941, Japanese bombers staged a surprise attack on U.S. military forces at Pearl Harbor Hawaii. In less than three hours, the United States suffered more than 2,400 casualties and loss of or severe damage to 188 airplanes and 8 battleships.

At one station, Army privates were running the radar and at 7:02 a.m., a large white blip appeared. The privates marked this activity and the continuing movements of incoming planes. Pvt. Joseph Lockard reported this to the Information Center, but a group of American B-17s were due to arrive that day from San Francisco, and Lockard was told to forget about what he saw. It was only after arrival at camp that they received word that at 7:55 a.m. the Japanese had begun dropping bombs on Pearl Harbor.

They realized that the planes they had been tracking on the radar plot were not American, but the Japanese attacking force. They had witnessed the start of World War II for America, but they hadn’t realized it.

And so it began.

One thought on “How we entered World War 2

  1. Hülsmeyer says:

    Westinghouse WL-530 VT-122 Water-Cooled Triode (photographs) http://lampes-et-tubes.info/tt/tt166.php?l=f “This high power radar transmitting tube was developed during the late 30’s; a pair of them were used as the final transmitter stage in the 1940 SCR-270 radar (Signal Corps Radio model 270, also known as the Pearl Harbor Radar), one of the first operational early warning radars. It was the U.S. Army’s primary long-distance radar throughout World War II and was deployed around the world.” See also “THE SCR-270 RADAR” by Frederick G. Suffield http://ethw.org/Milestones:Opana_Radar_Site,_1941
    Photograph of a SCR-270 operating position and console showing the antenna positioning controls, oscilloscope, and receiver. http://www.radomes.org/museum/photos/equip/scr270console.jpg

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