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SpaceX launch - live: Nasa to attempt mission today as rocket liftoff threatened by weather again

Photographers setup remote cameras as the SpaceX Falcon 9 rocket with the Crew Dragon spacecraft attached is seen on launch pad 39A at the Kennedy Space Center on May 29, 2020 in Cape Canaveral, Florida: Joe Raedle/Getty Images
Photographers setup remote cameras as the SpaceX Falcon 9 rocket with the Crew Dragon spacecraft attached is seen on launch pad 39A at the Kennedy Space Center on May 29, 2020 in Cape Canaveral, Florida: Joe Raedle/Getty Images

Nasa and SpaceX are trying once again to launch two astronauts into space in a historic mission.

The launch will be the first time that astronauts have been launched from US soil since the Space Shuttle programme ended in 2011.

And it will be the first time that any private company have taken humans into space.

But it could be delayed, once again, because of the weather. Wednesday's attempt had to be postponed just minutes before launch for fear that it could "trigger lightning".

Official forecasts suggest that conditions could once again cause problems for the launch.

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