The Evolution of Aviation

We discuss the evolution of aviation. Where did aviation start? What steps were necessary before the Wright brothers could build the Wright Flyer? Who was Billy Mitchell and why was he court-martialed?  What happened in aviation during World War I? When was the first jet built? What affects did WWII have on aviation? What is the Concord and why was it discontinued? When did space travel spin off from aviation? What is the future of supersonic commercial travel? How long have drones been around and what is the future of drones in aviation?