80-G-33227:  PBM-3C, pilot looking through binoculars, January 13, 1943.    Official U.S. Navy Photograph, now in the collections of the National Archives.  (2016/12/13).
<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@N06/31255746310/">80-G-33227</a>