The U.S. may have put the first man on the moon, but it was the Soviet space program that made Valentina Tereshkova the first woman in space. It took years to catch up, but soon NASA's first female astronauts were racing past milestones of their own. The trail-blazing women of Group 9, NASA's first mixed gender class, had the challenging task of convincing the powers that be that a woman's place is in space, but they discovered that NASA had plenty to learn about how to make space travel possible for everyone.