80-G-279813:  AOM1/C J.C. Mazzie performing fixed test firing of a mount devised by the Petty Officer while at Naval Air Station, Kodiak, Alaska.  The 30 cal. Machine gun mount permits easy test firing.  Photographed by PhoM1/C J.E. Martin, November 6, 1944.  U.S. Navy Photograph now in the collections of the National Archives.  (2016/01/19).
<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@N06/23871583044/">80-G-279813</a>