The former-RAF navigator was visiting friends in Cowley Hill at around 9pm on Friday May 24, 1985 when he witnessed the “UFO” hovering over Borehamwood.
He claims he could offer no explanation despite decades spent professionally tracking the night sky.
The witness, whose name cannot be disclosed, said: “I rather doubt that I am easily deceived by aerial phenomena.
“My distinct impression is that I perceived an event for which no ready explanation is possible in wholly conventional terms.
“Astronomical phenomena are ... Read even more
