NASA astronauts Bob Behnken and Doug Hurley are slated to fly SpaceX's Crew Dragon spaceship this week. Here's how they've prepared.
· NASA astronauts Bob Behnken and Doug Hurley will be the first to fly SpaceX's Crew Dragon spaceship — and the first people in history to fly any commercial spaceship.
· The duo is set to launch Crew Dragon towards the International Space Station on Wednesday, May 27.
· Here's how the astronauts were selected and what the...
