MIRAGE jets on alert at Williamtown RAAF to intercept UFOs in June 1983?
So reveals a recently declassified file of of UFO material put into the public domain recently by the National Archives of Australia and reported in yesterday's Sun-Herald.
The file reveals that a pair of Mirages were readied to intercept UFOs believed to be travelling at speeds of between 1100km/h and 6500km/h at high altitude about 70 to 150 nautical miles north of Sydney.
The potential UFOs had been picked up on radar at Mascot airport...