Cape Canaveral:The launch of a SpaceX rocket ship with two NASA astronauts on a history-making flight into orbit was called off with less than 17 minutes to go in the countdown Wednesday because of thunderclouds and the risk of lightning.
Liftoff was rescheduled for Saturday afternoon.
The spacecraft — designed, built and owned by SpaceX — was set to blast off in the afternoon for the International Space Station, opening a new era in commercial spaceflight. It would have also marked the first time in nearly a decade that the US launched astronauts into orbit from American soil.
But thunderstorms for much of the day threatened to force a postponement and the word finally came down that the atmosphere was so electrically charged that the spacecraft was in danger of getting hit by lightning.
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NASA Administrator Jim Bridenstine said the agency and SpaceX worked together to make the right decision and put safety first at a time when some were wondering whether the public attention surrounding the flight would create undue pressure to launch.
Veteran space shuttle astronauts Doug Hurley and Bob Behnken were supposed to ride into orbit aboard SpaceX's sleek, white-and-black, bullet-shaped Dragon capsule on top of a Falcon 9 rocket, taking off from the same launch pad used during the Apollo moon missions a half-century ago.
Both President Donald Trump and Vice President Mike Pence had arrived to watch. Trump, who before the postponement marveled at the magnificent rocket on the pad, later tweeted that he will return to Florida for the next try and the vice president did the same.
“Thank you to @NASA and @SpaceX for their hard work and leadership. Look forward to being back with you on Saturday!" Trump said.
The flight — the long-held dream of SpaceX founder Elon Musk — would have marked the first time a private company sent humans into orbit.
It would have also ended a launch drought for NASA. Ever since the space shuttle was retired in 2011, NASA has relied on Russian spaceships launched from Kazakhstan to take US astronauts to and from the space station.
During the day, the rumble of thunder could be heard as the astronauts made their way to the pad at NASA's Kennedy Space Center and a tornado warning was issued moments after they climbed into their capsule.
“We could see some raindrops on the windows and just figured that whatever it was, was too close to the launch pad at the time we needed it not to be,” Hurley, the spacecraft commander, said after the flight was scrubbed. “Understand that everybody’s probably a little bit bummed out. That’s just part of the deal. ... We'll do it again, I think, on Saturday.”
“Appreciate your resilience sitting there in the vehicle,” a controller replied.
Behnken responded: “Nothing better than being prime crew on a new spaceship.”