330-PSA-51-65 (USN 1109964F):  Navy men of Underwater Demolition 12 await arrival of United States Marines at Da Nang, South Vietnam.  Two Battalions of Marines landed in South Vietnam earlier that month to reinforce security at Da Nang Air Base.  These Frogmen landed first to provide beachhead reconnaissance.   Photograph released March 3, 1965.  (2015/11/10).
<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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