Track of USS Maddox (DD-731), 31 July - 2 August 1964, during the first part of the Gulf of Tonkin incident.
Chart prepared for "The United States Navy and the Vietnam Conflict", Volume II, page 412.
U.S. Naval Historical Center Photograph.
Quelle:
Naval Historical Center: Wars and Conflicts of the United States Navy
https://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-96000/NH-96348.html