80-G-474187 (TR-4228):  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@N06/23004364383/">80-G-474187 (TR-4228)</a>