In Richard D Hall's documentary "The Human Mutilation Cover-up" he describes meeting an ex-serviceman who said he had been in Section Five Eight, a unit set up within NATO under Reagan and Thatcher. Based out of an airfield in South Wales, the unit would be ready to fly all over the world to secure scenes of UFO crashes or, more commonly, sites where humans had been mutilated. - "The Human Mutilation Cover-up"