80-G-465386:  MacMillan Arctic Expedition, 1925.  A land of white ice and cloud and black cliffs and water.  The Greenland coast just south of Etah.   This expedition was noted for the first productive use of aircraft in an Arctic exploration by Americans.  The three aircraft were NA-1, NA-2, and NA-3.  (2015/10/27).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
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