80-G-K-87381:   Three UH-1D “Iroquois” Helicopters come in for refueling at Byrd Glacier, Antarctica.  Photographed by PH1 Hamilton, November 8, 1970. NHHC Photographic Section.  Black and White Photograph only.     (2015/10/30).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/127906254@N06/22091743443/">80-G-K-87381</a>