From the beginning, the United States Air Force USAF defined aerospace as "an operationally indivisible medium consisting of the total expanse beyond the Earth's surface." . Aerospace now is a now a term used to encompass everything from aerodynamics to space.
History & Etymology
The term aerospace may first have been used during Air Force discussions with the Congress. 
Aerospace as a subject has been explored for centuries. In a Greek legend of Icarus and his father Daedalus, they built wings of feathers and wax to escape prison. Leonardo da Vinci, was one famous early scientist to study what is now aerospace. The popular conception of modern aerospace is traced to the first powered flight, by the Wright brothers, at Kitty Hawk, North Carolina on December 17, 1903,
References & Citations
- AFP 11-1-4, Interim Aerospace Terminology Reference, 30 October 1959, 2-3.
- House, Missile Development and Space Sciences: Hearings before the Committee on Science and Astronautics, 86th Cong., 1st sess., February and March 1959, 76-77.
- List of Aerospace Engineering Historical Events
- Aerospace Engineering