After the American Army shot down a UFO in 1947, generations of elite commandos were secretly trained to deal with the aliens' feared return. However, the extra-terrestrials never came back and the elite force was disbanded. Sixty-six years after the … Denise Crosby, Greg Evigan, Daniel Hugh Kelly, Stephen Billington, John Francis, Clarence Smith, Iliana Lazarova Added on Amazon Prime 2020-12-16.