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ARLINGTON, Va. (July 11, 2017) Chris Young from Lockheed Martin talks to Rear Adm. David Hahn, Chief of Naval Research, about the Office of Naval Research (ONR)-sponsored Tactical Decision Kit (TDK) during a visit to ONR. Scheduled to be rolled out over the next several months, TDKs are designed to be employed in barracks where Marines can practice and compete in tactical decision-making on a routine basis. (U.S. Navy photo by John F. Williams/Released)
<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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