Following your dreams is not a thing that gets easier as you get older. For kids, the tentative first steps often get us going in the right direction, but the inevitable obstacles and difficulties we encounter along the way often shove us off the path long before we've reached our goals.
Not so much with Alyssa Carson. She's been laser-focused on her dream of becoming an astronaut and has made some incredible accomplishments along the way, and she's heading up the next class of space-farers with one destination in mind: Mars.