An astronaut is a person trained to travel and work in space. Astronauts will continue to work aboard the International Space Station (ISS), and will also fly NASA’s new Orion deep space exploration vehicle. Orion will carry the crew to space, provide emergency abort capability, sustain the crew during the space travel, and provide safe re-entry from deep space return velocities.

Tracy Caldwell Dyson, Astronaut, compares the excitement of "launch" versus "landing".

Tracy Caldwell Dyson, Astronaut, her connection to American Sign Language and why she decided to be the first person to sign on the International Space Station.