Members of a U.S. Navy Sea-Air-Land (SEAL) team speed past a PB Mark III patrol boat in an inflatable assault boat as they head toward the beach during a public demonstration.  Personnel on the patrol boat are manning an M-2 .50-caliber machine gun.
<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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