Flynn addresses Charles Lindbergh as "Lieutenant" when they first meet. Lindbergh's rank in the Air National Guard was Captain at the time of his trans-Atlantic flight.
Lucy is the historian, yet refers to Lindbergh as a boy from St. Louis. Lindbergh never lived in St. Louis. He was raised in Minnesota and Washington, DC. The Spirit of St. Louis was so named because of financial backing from St. Louis-based businesses.