Update: June, 16/2018 – 09:00 vietnamnews
Viet Nam News By Thomas Eugene Wilber
It began in Thọ Xuân District, Thanh Hóa Province, Việt Nam
At about 4pm local time on Sunday, the sixteenth day of June 1968, air force Captain Đinh Tôn and his wingman, Captain Nguyễn Tiến Sâm, taxied their MiG-21single seat fighter jets to the northwest end of Thọ Xuân airbase and lined up to take off. Completing final checks and accelerating to a normal launch transition, they climbed to about 300 metres altitude, banking to the right and heading south at a speed of 800 kilometres per hour.