80-G-474189 (TR-4230):  USS Yorktown (CV 10).  Chief Petty Officer leads his mates in song fest.  Photographed by Lieutenant Commander Charles Kerlee, May 1943.  U.S. Navy Photograph, now in the collections of the National Archives. (2015/12/08).
<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@N06/23003243854/">80-G-474189 (TR-4230)</a>