Loss of the U.S. Navy submarine USS <i>Thresher</i> (SSN-593), April 1963: U.S. Navy ships circle in the vicinity of the site of <i>Thresher</i>'s sinking, 15 April 1963, five days after her loss.<br>
Ships are (left to right): USS <i>Thomas Jefferson</i> (SSBN-618); USS <i>Sunbird</i> (ASR-15); USS <i>Warrington</i> (DD-843), group flagship; and USS <i>Redfin</i> (SS-272).
<div class="fn value">
PHCS Parker, U.S. Navy</div>
15 April 1963<div style="display: none;">date QS:P571,+1963-04-15T00:00:00Z/11</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-97000/NH-97555.html">NH 97555</a>