Astronaut Scott Kelly joins the podcast to candidly discuss living in space and his books Endurance and Infinite Wonder. He is a former military fighter pilot and test pilot, an engineer, a retired astronaut and retired United States Navy captain. A veteran of 4 space flights, Kelly was commander of the International Space Station for 3 expeditions and was a member of the yearlong mission to live in space at the ISS. In 2015, he set the record for the total accumulated number of days spent in space by an American astronaut.