428-GX-K-129218:    Operation Deep Freeze 80.   Ellsworth Field Camp, Antarctica. An UH-1N Iroquois helicopter prepares to transport field gear and a snowmobile to an outlying camp.     Photographed by PH2 Doug K. Nortell, December 18. 1979.       Official U.S. Navy photograph, now in the collections of the National Archives.   (2016/07/26).
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