This is a serious question so I will only consider serious answers. I would like to ask what studies and work positions are there to work in the industry excluding this options: Commercial Pilot Aeronautical engineer Air traffic controller For instance, does someone need to be an engineer of the aviation field to become an air safety investigator? What have people who work in the National Transportation Safety Board studied? Please, only answer if you're well-informed on the subject. Thank you very much.