Payload Blog
NASA astronauts, from left, Bob Behnken and Doug Hurley, assigned to fly on SpaceX's Demo-2 test flight of its Crew Dragon, are inside a mockup of the spacecraft at NASA's Johnson Space Center in Houston on Aug. 2, 2018, ahead of the agency's announcement of their commercial crew assignment.

After almost a decade, astronauts have launched from American soil again. This Astronaut’s Day, learn more about the two astronauts who will take part in this historic launch, Doug Hurley and Robert Behnken.