<p>330-PSA-61-63 (KN-4563) (Black and white only here):  U.S. Navy frogmen have the capability of being air-dropped into coastal waters, fully equipped to perform any of their various missions.  After landing in the water, they abandon their parachutes, take to the underwater environment, and upon completion of their tasks are picked up by anyone of a variety of methods including aerial, high-speed surface, or submarine retrieval. Photograph released March 13, 1963. (2015/10/13).
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330-PSA-61-63 (USN 1066434):  U.S. Navy Frogmen on training exercises at St. Thomas, Virgin Islands, leave the submerged submarine USS Sealion through the forward escape trunk carrying their demolition equipment, proceed to the beach as the spearhead forces of an amphibious assault, and after their mission is accomplished, rendezvous with the submarine and reenter through the escape trunk.  Photograph released March 13, 1963. (2015/10/13).
<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@N06/22151891302/">330-PSA-61-63 (KN-4563)</a>