Gordon Mackerracher, 67, says he knows what he saw in the sky in West Lothian, Scotland, and explained why it has taken 50 years to tell the tale of the day he will never forgetGordon Mackerracher, 67, says he knows what he saw in the sky in West Lothian, Scotland, and explained why it has taken 50 years to tell the tale of the day he will never forget