80-G-1024881:  USS North Dakota (BB-29).   Underway during battle practice, circa 1921.   Note sighting target mounted above her stern; all guns trained out on the port beam; heavy coal smoke.  Official U.S. Navy Photograph, now in the collections of the National Archives.  (2016/01/23).
<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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