80-G-68728:  Fire-Fighters School, Navy Yard, Mare Island, California, showing practice fire fighting, January 8, 1943.  Picture shows method of applying water fog for cooling and mechanical foam for smothering fire.  Note coating of foam on deck for purpose of cooling the deck and protection of personnel.  These students are taking a little smoke and heat but are getting results.   (7/22/2015).
<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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