Nick Hague, left, and Christina Koch, two astronauts currently living and working on the International Space Station, are seen on the screen during a live uplink and panel discussion with NASA Administrator Jim Bridenstine, center, NASA Associate Administrator for the Human Exploration and Operations Mission Directorate, Bill Gerstenmaier, right, and NASA Deputy Associate Administrator for Exploration, Steve Clarke, not pictured, at the "Future of Space" STEM event, Monday, April 29, 2019 at NASA Headquarters in Washington. NASA astronaut Tracy Caldwell Dyson, left, moderated the panel discussion. Photo Credit: (NASA/Aubrey Gemignani)