330-CFD-DN-SC-89-08111:  A signalman practices with a pair of semaphore flags on an upper level of the island of the US Navy (USN) Nuclear-powered Aircraft Carrier USS Dwight D. Eisenhower (CVN 69), 3/1/1988.   PH2 Tracy Lee Didas, USN.  (OPA-NARA II-2016/02/10).
<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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