80-G-57632:  Gunners firing 20mm guns on fantail of USS Nicholas (DD 449), undated.  Photographed by CPU-2.  (6/2/2015).
<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@N06/17796203754/">80-G-57632</a>