Blank Postcard of Bell X-1 Plane "Glamorous Glennis", by , c. 1950-1966, Smithsonian Archives - History Div, Blank postcard of the Bell X-1 plane known as "Glamorous Glennis" on display at the National Air Museum, now the National Air and Space Museum. The plane is red and white and its tail says "U.S. Air Force 6062." The message side is blank, but it has a printed note: "The Bell X-1 ("Glamorous Glennis"): Piloted by Captain Charles Yeager on October 14, 1947, it was the first airplane to fly faster than the speed of sound. In later tests this airplane attained a speed in excess of 1,000 miles per hour. National Air Museum, Smithsonian Institution, Washington, D.C.".