books.google.com - Paul Hill was a well-respected NASA scientist when, in the early 1950s, he had a UFO sighting. Soon after, he built the first flying platform and was able to duplicate the UFO's tilt-to-control maneuvers. Official policy, however, prevented him from proclaiming his findings. "I was destined,"...https://books.google.com/books/about/Unconventional_Flying_Objects.html?id=z8hiAwAAQBAJ&utm_source=gb-gplus-shareUnconventional Flying Objects