It takes a couple of years just to get the background and knowledge that you need before you can go into detailed training for your mission.
Studying whether there’s life on Mars or studying how the universe began, there’s something magical about pushing back the frontiers of knowledge. That’s something that is almost part of being human, and I’m certain that will continue.
But even in elementary school and junior high, I was very interested in space and in the space program. – Sally Ride