Chart showing the U.S. Navy's interpretation of the events of the first part of the Gulf of Tonkin incident. It shows the track of the U.S. Navy destoyer USS <i>Maddox</i> (DD-731), 31 July - 2 August 1964, during the first part of the Gulf of Tonkin incident.
Created by the U.S. Navy, and converted to SVG by  <a href="//commons.wikimedia.org/wiki/User_talk:Interiot" title="User talk:Interiot">Interiot</a>.  Interiot's modifications are also released to the public domain.
1986
Official U.S. Navy photo <a rel="nofollow" class="external text" href="https://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-96000/NH-96348.html">NH 96348</a> from the U.S. Navy <a rel="nofollow" class="external text" href="http://www.history.navy.mil">Naval History and Heritage Command</a>. The chart was originally prepared for <i>The United States Navy and the Vietnam Conflict, Volume II: From Military Assistance to Combat 1959-1965</i>, published in 1986 by the Naval History and Heritage Command, Washington D.C. (USA), page 412.