Proctor, 51, is a geology professor at a tiny college in Arizona. Her father, who was born in Guam, worked at NASA during the Apollo missions. She took part in a Mars simulation exercise in Hawaii and applied to NASA twice to become an astronaut. She will be the fourth African-American woman in space. She will be the mission's pilot, aiding the commander. She earned her seat, which signifies "prosperity," by establishing an internet sales site connected to space as part of Isaacman's company's entrepreneurship challenge.