80-G-32542:  Japanese Attack on Pearl Harbor, December 7, 1941.  Pieces of .50 caliber clips fired at the enemy during the attack.  (9/15/15).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/127906254@N06/20843905803/">80-G-32542</a>