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Today in World War II History—Dec. 20, 1943

Thursday, December 20, 2018 by Sarah Sundin
The effect of “Window” on the display of a German Giant Würzburg (Würzburg-Riese) radar: the right half shows a normal display with a target blip in the 3 o’clock position; the left half shows the effect of jamming by “Window,” making target blips indistinguishable. (Imperial War Museum)

The effect of “Window” on the display of a German Giant Würzburg (Würzburg-Riese) radar: the right half shows a normal display with a target blip in the 3 o’clock position; the left half shows the effect of jamming by “Window,” making target blips indistinguishable. (Imperial War Museum)

75 Years Ago—Dec. 20, 1943: In bombing mission to Bremen, the US Eighth Air Force first drops “Window,” strips of foil that confuse German radar (first used by the RAF in July 1943).

Bolivian government is overthrown in a coup; President Enrique Peñaranda goes into exile, succeeded by Maj. Gualberto Villarroel López.

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2 responses to “Today in World War II History—Dec. 20, 1943”

  1. Ryana Lynn says:
    December 20, 2018 at 6:15 am

    That Window thing is awesome!

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