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Photo: U.S. Navy Photograph
Operation Deep Freeze
The U.S. Navy's Operation Deep Freeze I, launched in December 1955, set up facilities in McMurdo Sound, Antarctica, for use in the upcoming International Geophysical Year of 1957-1958. The men of Deep Freeze I weren't the first to use the location chosen; both the Scott and Shackleton expeditions had established themselves there early in the century. Our photo shows men of Deep Freeze I inside the hut used by Shackleton during his 1907 expedition.