NASA's opened applications for the next class of astronauts-in-training. You only have to have a bachelor's degree in STEM, three years "related experience" and be able to pass a NASA physical. The easiest way to get the related experience is to be a pilot - they want 1,000 hours as pilot-in-command on jet aircraft. (Now you understand why so many astronauts are ex air force).
Qualified? If not, now you know what you might need to get there in a few years.