This year marks the 50th anniversary of the most documented UFO case in Australian history – the April 6, 1966, sighting of a flying saucer by over 200 witnesses, who saw it fly overhead for several minutes before briefly landing and taking off again near two schools in the Melbourne suburb of Westall.

The Westall UFO case has been the subject of several Australian news reports and documentaries, which have tried to find answers to the mystery of what precisely had landed. Recent whistleblower testimonies provide a compelling answer – the flying saucer was part a secret Australian aerospace program involving the development of antigravity technology in cooperation with the U.S. and Great Britain.