The destroyer USS Maddox (DD-731) is attacked by North Vietnamese patrol boats in the Gulf of Tonkin. A second incident, involving USS Turner Joy (DD-731), reportedly occurs two days later. Congress passes the Gulf of Tonkin Resolution on Aug. 7.
Bell Textron has won DARPA's contest for a no-runway, high-speed drone that will prove out technologies useful for special operations forces and possibly the Air Force's Agile Combat Employment concept. Bell's design converts a tiltrotor to a jet-powered aircraft able to fly at up to 450 knots.