A SpaceX Crew Dragon spacecraft and Falcon 9 rocket stands on Complex 39A as they are prepared for the launch of the first manned mission for NASA from the Kennedy Space Center, Florida on Friday May 29, 2020. NASA and SpaceX will try a second attempt at launching astronauts Doug Hurley and Bob Behnken on the Crew Demo 2 mission on May 30. Photo by Joe Marino/UPI