Elon Musk's rocket company SpaceX launched four astronauts on a flight to the International Space Station on Sunday, November 15, NASA's first full-fledged mission sending a crew into orbit aboard a privately-owned spacecraft.
SpaceX's newly designed Crew Dragon capsule, which the crew has dubbed Resilience, lifted off atop a SpaceX Falcon 9 rocket at 7:27 pm eastern time (0027 GMT on Monday) from NASA's Kennedy Space Center in Cape Canaveral, Florida.
Crew Dragon will gradually raise its orbit for the next 27 hours through a series of onboard thruster firings, aiming to dock at the International Space Station at 11 pm eastern time on Monday.
An air leak caused an unexpected drop in capsule pressure less than two hours before launch, NASA officials said. But technicians said they conducted a successful leak check, and the scheduled launch was still on.
The 27-hour ride to the space station, an orbiting laboratory some 250 miles (400 km) above Earth, was originally scheduled to begin on Saturday but the launch was postponed for a day due to forecasts of gusty winds - remnants of Tropical Storm Eta - that would have made a return landing for the Falcon 9's reusable booster stage difficult, NASA officials said.
Vice-President Mike Pence attended the launch and said beforehand that under President Donald Trump, America had "renewed our commitment to lead in human space exploration."
NASA is calling the flight its first "operational" mission for a rocket and crew-vehicle system that was 10 years in the making. It represents a new era of commercially developed spacecraft - owned and operated by a private entity rather than NASA - for sending Americans into orbit.
A trial flight of the SpaceX Crew Dragon in August, carrying just two astronauts to and from the space station, marked NASA's first human space mission to be launched from US soil in nine years, following the end of the space shuttle program in 2011. In the intervening years, US astronauts have had to hitch rides into orbit aboard Russia's Soyuz spacecraft.
The Resilience crew includes commander Mike Hopkins and two fellow NASA astronauts, mission pilot Victor Glover and physicist Shannon Walker. They were joined by Japanese astronaut Soichi Noguchi, making his third trip to space after previously flying on the US shuttle in 2005 and Soyuz in 2009.
Musk, the billionaire SpaceX chief executive who is also CEO of electric carmaker and battery manufacturer Tesla Inc , will likely not have watched the liftoff from the Kennedy Space Center launch control room, NASA officials said. Musk said on Saturday he "most likely" has a moderate case of COVID-19.
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