Jody Singer, Director of NASA’s Marshall Space Flight Center, left, moderates a discussion with NASA Administrator Jim Bridenstine, NASA astronauts Jeanette Epps and Doug Wheelock, and former NASA astronaut and co-chair of the local organizing committee for the International Astronautical Congress Sandy Magnus, during an interactive STEM discussion with students attending the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019, at NASA Headquarters in Washington. Photo Credit: (NASA/Joel Kowsky)