Q&A STEVEN SWANSON
During his career at NASA, Swanson logged over 195 days in space, undertaking five spacewalks. His three missions to the ISS include two Space Shuttle flights (STS-117 and STS-119) and one Soyuz flight (TMA-12M).
How does NASA select astronauts?
Nobody knows for sure. Really it’s up to the chief of the astronaut office to make that selection, and sometimes others depending on how high profile the mission is. But it’s partly just where you are in the queue, because we come in as a
