This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
outdoor GXK Operation Deep Freeze . Ellsworth Field Camp Antarctica. An UHN Iroquois helicopter prepares to transport field gear and snowmobile to an outlying camp. Photographed by PH Doug K. Nortell December . . Official U.S. Navy photograph now in the collections of the National Archives. GXK Operation Deep