330-PS-6519 (USN 630976):  USS T-1, broadside view, October 12, 1953.  Photographed by Electric Boat Division, General Dynamics Corp, Groton, Connecticut.   (4/7/2015).
<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@N06/16892116699/">330-PS-6519 (USN 630976)</a>