Aerial photo of Ford Island, Pearl Harbor, Territory of Hawaii (USA), circa 1940-1941.
U.S. Navy
<a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/department_arch.html">U.S. Navy All Hands magazine</a> <a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/archpdf/ah198612.pdf">December 1986</a>, p. 5.