428-GX-K-57058_Box 874: Pineros Island, Puerto Rico.  An Underwater Demolition Team (UDT) trainee, Ensign Anthony J. Mihalic, watches an explosion on land.  Photographed by W.R. Curtsinger, August 7, 1968.  U.S. Navy photograph, now in the collections of the National Archives.  (2015/12/15).
<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@N06/23789095005/">428-GX-K-57058_Box 874</a>