German battleship Bismarck with Nazi flag, 1941
Unknown author<span style="display: none;">Unknown author</span>
CC BY-SA 3.0
Naval History and Heritage Command <a rel="nofollow" class="external autonumber" href="http://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/naval-subjects-collection/l42--foreign-ships/german/l42-04-02-01-bismarck.html">[1]</a>