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<ul><li><b>Scope and content:</b>  Original Caption: Star tennis player in service. Bill Marcus and Johnny straphang, star tennis players who have enlisted in the service. Marcus enrolled in the Paymasters' Dept. at Mare Island and Straehan enlisted in the Navy at Mare Island and then transferred to a navy aviation school. During their stay at mare Island the two tennis exponents gave the enlisted men a thorough training in the gentle art of killing an opponents serve.</li></ul>
Photographer: Charles Feinberg. S.F. Bulletin</div>
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Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>