Four astronauts are scheduled to launch to the International Space Station on Sunday (Nov. 15) for the first operational commercial crew flight of SpaceX's Crew Dragon spacecraft, a mission called Crew-1. Before you tune into the live coverage on Space.com and NASA TV, we thought you'd like to get to know the three spaceflyers from NASA — Shannon Walker, Victor Glover and Michael Hopkins — and Japanese Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi. Here are mini-biographies of each of the people climbing onto the SpaceX Crew Dragon spaceship.Live updates: SpaceX's Crew-1 astronaut launch for NASA