Phantom Helicopters of the UK

Phantom Helicopters of the UK | Mysterious Universe: "In the latter part of 1973, a series of distinctly unusual events began to quietly unfold above the green fields and rolling hills of northern England that subsequently triggered a strange, and still-ongoing operation coordinated by an elite division of the British police force. It all revolved around the phenomenon of phantom helicopters. Of the varied elements that make up what is popularly known as the “UFO phenomenon,” there can be few so strange as the phantom helicopter and its close relative, the even-more-sinister black helicopter."