Q&A with Keith Gendreau, principal investigator of the first X-ray space communications experiment (members only)

Originally expected to take off Saturday, the launch of SpaceX’s first operational Crew Dragon mission was delayed to Sunday because of expected high winds at the Kennedy Space Center and weather off-shore where the Falcon 9 rocket’s first stage will attempt to land on a SpaceX droneship. The company plans to re-use the booster for the next Crew Dragon flight.

NASA and United Launch Alliance will offer the first-of-its-kind live webcast in 360 Virtual Reality format of Tuesday morning’s Atlas 5 rocket liftoff from Cape Canaveral with a space station cargo ship.

The run-through simulated day-of-launch activities, included suit up, ingress into the Orion spacecraft and a countdown that stopped just shy of T-0.