70th International Astronautical Congress

NASA astronauts Doug Wheelock, left, Alvin Drew, second from right, Jeanette Epps, right, and former astronauts Janet Kavandi, second from left, and Bob Curbeam, center, spoke about their time in space at a STEM day session with students during the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019 at the Walter E. Washington Convention Center in Washington. Photo credit: (NASA/Aubrey Gemignani)

NASA astronauts Doug Wheelock, left, Alvin Drew, second from right, Jeanette Epps, right, and former astronauts Janet Kavandi, second from left, and Bob Curbeam, center, spoke about their time in space at a STEM day session with students during the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019 at the Walter E. Washington Convention Center in Washington. Photo credit: (NASA/Aubrey Gemignani)