I don't know. I just wanted to fly as far back as I can remember. And I only wanted to fly 747s too! But since that time I learned that before I can fly 747s it takes a lot of money a lot of time and a lot of determination to get there, and many others don't have one of the three above so won't make it.
At the moment still in GA but Sh*t its a great job and its great fun - and it can only get better!!