Launch of NASA’s SpaceX Demo-2 Rescheduled for Saturday, May 30


Via Press Release from NASA

NASA and SpaceX scrubbed Wednesday’s launch attempt of the Demo-2 flight test to the International Space Station due to unfavorable weather conditions around Launch Complex 39A at the agency’s Kennedy Space Center in Florida. Launch has been rescheduled to Saturday, May 30, at 2:22 p.m. CDT.

“I know there’s a lot of disappointment today. The weather got us,” NASA Administrator Jim Bridenstine said. “But it was a great day for NASA. It was a great day for SpaceX. Our teams worked together in a really impressive way, making good decisions all along.”

The countdown proceeded smoothly throughout the day Wednesday, with no technical issues raised regarding the SpaceX Falcon 9 rocket or the Crew Dragon spacecraft. NASA astronauts Robert Behnken and Douglas Hurley suited up, walked out of Kennedy’s Neil Armstrong Operations and Checkout Building and rode out to the launch complex in a Tesla Model X before climbing on board the SpaceX Crew Dragon spacecraft a few minutes ahead of schedule.

However, later in the countdown, with operations underway to load the rocket’s propellants and the instantaneous launch window of 3:33 p.m. CDT drawing near, launch weather officials briefed SpaceX Launch Director Mike Taylor that there just wasn’t enough time to wait for weather to improve. Rain, cumulus clouds, attached anvil clouds, lightning and field mill data – which measure the amount of electricity in the atmosphere – all violated Falcon 9 and Crew Dragon launch criteria at times throughout the day.

“There was a concern that if we did launch, it could actually trigger lightning,” Bridenstine said. “We made the right decision.”

SpaceX’s decision to reschedule launch was made with only 17 minutes remaining until the anticipated liftoff time.

“We can see raindrops on the windows,” Hurley said as he and Behnken received the news that weather had prevented a liftoff Wednesday. “We understand everybody’s probably a little bummed out, but that’s part of the deal,” he added.

SpaceX removed propellant from the Falcon 9 rocket, the Crew Dragon’s launch escape system was disarmed and the crew access arm and White Room were returned to position beside the spacecraft’s side hatch. Hurley and Behnken exited the Crew Dragon at approximately 4:50 p.m. and departed to return to the Astronaut Crew Quarters inside the Operations and Checkout Building.

“Everybody did great today,” Hurley said before the crew climbed out of the spacecraft. “It was a good practice, and we’ll do it again on Saturday.”

Today’s launch countdown was a valuable experience, Bridenstine pointed out.

“We did a wet dress rehearsal. We haven’t done a wet dress rehearsal with our astronauts, full gear, before,” he said. “We learn a lot every time we do these things, and today was no different.”

NASA’s SpaceX Demo-2 mission will be an end-to-end test flight to validate the SpaceX crew transportation system, paving the way for its certification for regular crew flights to the station as part of NASA’s Commercial Crew Program. It will be the first launch of American astronauts on an American rocket from American soil in nearly a decade, since the retirement of the space shuttle following its final flight, STS-135, in 2011.

Launch coverage on Saturday, May 30, will begin at 10 a.m. CDT on NASA Television, on the web at

Derek Nester
Derek Nester
Derek Nester was born and raised in Blue Rapids and graduated from Valley Heights High School in 2000. He attended Cowley College in Arkansas City and Johnson County Community College in Overland Park studying Journalism & Media Communications. In 2002 Derek joined Taylor Communications, Inc. in Salina, Kansas working in digital media for 550 AM KFRM and 100.9 FM KCLY. Following that stop, he joined Dierking Communications, Inc. stations KNDY AM & FM as a board operator and fill-in sports play-by-play announcer. Starting in 2005 Derek joined the Kansas City Chiefs Radio Network as a Studio Coordinator at 101 The Fox in Kansas City, a role he would serve for 15 years culminating in the Super Bowl LIV Championship game broadcast. In 2021 he moved to Audacy, formerly known as Entercom Communications, Inc. and 106.5 The Wolf and 610 Sports Radio, the new flagship stations of the Kansas City Chiefs Radio Network, the largest radio network in the NFL. Through all of this, Derek continues to serve as the Digital Media Director for Sunflower State Radio, the digital and social media operations of Dierking Communications, Inc. and the 6 radio stations it owns and operates across Kansas.

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