Twenty years after the US Air Force first started investigating UFOs, a selection of scientists and eyewitnesses are interviewed by ITV's World in Action team.
Edward Condon
Rex Heflin
J. Allen Hynek
James McDonald
Donald Menzel
John MacDonald
Producer
May 23, 2017
Nov 21, 2025
Mar 14, 2024
Oct 6, 2020
Nov 22, 2006
Jul 29, 2008
Apr 28, 2006
Jun 13, 1956
Granada Television
GB
United Kingdom
