Insignia of the U.S. Navy Destroyer Squadron 20 (DESRON 20), 1970.
1970<div style="display: none;">date QS:P571,+1970-00-00T00:00:00Z/9</div>
U.S. Navy photo <a rel="nofollow" class="external text" href="https://www.history.navy.mil/content/history/nhhc/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-81000/NH-81471-KN.html">NH 814710-KN</a>