Billionaire Jared Isaacman and engineer Sarah Gillis have become the first non-professional crew to perform one of the riskiest manoeuvres in space - a spacewalk.
The pair stepped out of the SpaceX spacecraft around 15 minutes apart, starting at 11:52BST, wearing specially-designed suits.
It was commercially funded by Mr Isaacman. Before, only astronauts with government-funded space agencies had done a spacewalk.
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