By the 1920s, humankind's presence in the skies was no longer as meek as it had been in prior decades. Charles Lindbergh became famous when he conducted the first solo nonstop transatlantic flight in 1927 in his plane the Spirit of St. Louis. "Strange things" in the sky were no longer quite so strange. Except for when they were. The days of simply sighting strange airships from the ground were over, and the era of encountering UFOs and flying saucers...