So much history in just one photo. From left to right are:
Charles Lindberg's "The Spirit of St. Louis" which was the first aircraft to fly solo from New York to Paris.
Scaled Composites "Space Ship One" which is a rocket powered aircraft that made the first privately funded space flight.
Bell Aircraft's X-1 rocket plane in which US Air Force pilot Charles "Chuck" Yeager first exceeded the speed of sound on October 14, 1947.