Aft view of the U.S. Navy aircraft carrier USS <i>Essex</i> (CVS-9). On deck are aircraft of Carrier Anti-Submarine Air Group 60 (CVSG-60).
U.S. Navy
In:  <a rel="nofollow" class="external text" href="https://www.history.navy.mil/content/dam/nhhc/research/publications/Publication-PDF/CordonOfSteel.pdf">Utz, Curtis A., <i>Cordon of Steel: The U.S. Navy and the Cuban Missile Crisis</i>, U.S. Naval History and Heritage Command, Department of the Navy, Washington , D.C., 1993, </a><a href="//commons.wikimedia.org/wiki/Special:BookSources/0-945274-23-8" title="Special:BookSources/0-945274-23-8">ISBN 0-945274-23-8</a>, p. 17. from the U.S. Navy <a rel="nofollow" class="external text" href="http://www.history.navy.mil">Naval History and Heritage Command</a>