(SpaceX via AP) Astronauts Doug Hurley, foreground, and Bob Behnken work in SpaceX's flight simulator at the Kennedy Space Center in Cape Canaveral, Fla., on March 19, 2020, as SpaceX teams in Firing Room 4 at Kennedy Space Center and the company's Mission Control in Hawthorne, Calif., along with NASA flight controllers in Mission Control Houston, run a full simulation of launch and docking of the Crew Dragon spacecraft.