428-GX-K-108077_Box 875:  A close-up view of the hand grenade being used in the training of the students of the Basic Underwater Demolition SEAL Training Class 83 at Naval Air Base, Coronado, California. Photographed by PHAN M.A. Cummings, March 12, 1975.   Photographed from reference card.  (2015/12/22).
<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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