330-CFD-DN-ST-87-01937:  The nuclear-powered aircraft carrier USS Carl Vinson (CVN 70) is assisted into port by several large harbor tugs including the Mandan (YTB 794), 10/1/1986.  PHCS Ron Bayles, USN.   (OPA-NARA II-8/20/2015).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
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