Why is Lt. Uhura’s costume at the National Museum of African-American History and Culture? How did the National Air and Space Museum come to display both the 11-foot studio model of Star Trek‘s Starship Enterprise and a full-size T-70 X-wing vehicle from Star Wars? Join Dr. Margaret Weitekamp, a curator and the chair of the space history department at the Smithsonian’s National Air and Space Museum for a virtual discussion of their space science fiction holdings.