Front view of 6"/30 gun from <a href="https://en.wikipedia.org/wiki/USS_Maine_(ACR-1)" class="extiw" title="en:USS Maine (ACR-1)">USS <i>Maine</i></a> in Willard Park at the <a href="https://en.wikipedia.org/wiki/Washington_Navy_Yard" class="extiw" title="en:Washington Navy Yard">Washington Navy Yard</a>.<br>
See also <a href="//commons.wikimedia.org/wiki/File:Maine6-inchGunRRear.jpg" title="File:Maine6-inchGunRRear.jpg">File:Maine6-inchGunRRear.jpg</a> and <a href="//commons.wikimedia.org/wiki/File:Maine6-inchGunLRear.jpg" title="File:Maine6-inchGunLRear.jpg">File:Maine6-inchGunLRear.jpg</a>
<a href="//commons.wikimedia.org/w/index.php?title=User:Sturmvogel_66&amp;action=edit&amp;redlink=1" class="new" title="User:Sturmvogel 66 (page does not exist)">Sturmvogel 66</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>