Personally, I have used very little of my aerospace engineering knowledge - and barely scratched the surface of my MBA in my work. An English or business degree would have been more useful for my first duty in a squadron.
LT John Chang When I was discharged, I went to school full time and worked full time. Once I had my degree, I started a 33 year career on the Space Shuttle Program. I needed the degree for my career and it came in handy throughout my career.