Cameras used by Alaskan Aerial Survey Detachment. Pilot and crew pose in front of Loening OL-8 amphibian used in the U.S. Navy's photo-mapping expedition over the Tongass National Forest; five men in flight suits hold large aerial survey cameras.
<a href="https://en.wikipedia.org/wiki/United_States_Navy" class="extiw" title="w:United States Navy">U.S. Navy Alaska Aerial Survey Expedition</a>
<a rel="nofollow" class="external text" href="http://vilda.alaska.edu/cdm/singleitem/collection/cdmg21/id/11283/rec/6">Vilda.Alaska.edu</a>