Aeronautical engineers, design,. and sometimes even test fly planes for the military, or for commercial aviation companies.They are not directly part of the military, but they do help the company sell it to the military, and there even have been several scams, in which The Army, tried to bribe engineers, to come to the army, and reveal their secrets to the military. Aeronautical engineers are the backbone of air companies, such as Lufthansa, or Jet Airways, etc.
Without them, there wouldn't be any airplanes, so it would be hard to get around, and the world economy would just fall apart.
Without them, there wouldn't be any airplanes, so it would be hard to get around, and the world economy would just fall apart.