In 1946, the Navy sent 4700 men to Antarctica for—what they claimed—was a training mission that would prepare them for battle in extreme temperatures. But after three months the operation was shut down, sparking rumors that the mission was a cover-up for something else entirely—like finding a hidden Nazi base or a civilization at the center of the earth.

For a full list of sources, please visit: sosupernaturalpodcast.com/conspiracy-operation-highjump

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