Billionaire Jared Isaacman, two SpaceX employees and a former Air Force pilot are the crew of Mission Polaris Dawn.

The quartet has been training together, including by skydiving, scuba diving, and even spending more than 2,000 hours in a simulator. Isaacman has been to space with SpaceX twice before.

The SpaceX Polaris Dawn crew of four civilian astronauts is set to attempt the first-ever commercial spacewalk.

SpaceX has finally launched its Polaris Dawn mission after multiple delays due to a helium leak and poor weather.

SpaceX founder Elon Musk said this could be ... Dressed in a spacesuit and sitting next to a window, this anthropomorphic simulator is fitted with sensors around the head, neck, and spine.

but said that they and the 14,000 employees at SpaceX had done everything they could to be ready to handle them. “The first time we got into the simulator and we had to work as a crew ...

The spacewalkers tested new SpaceX-designed pressure suits that could eventually be used by civilian astronauts on the moon ...

SpaceX’s Polaris Dawn mission launches today, marking the first private spacewalk and testing new suits with a historic ...

The mission features the first non-government spacewalk by billionaire Jared Isaacman and SpaceX crew trainer Sarah Gillis.

The spacewalkers will test new SpaceX-designed pressure suits that could eventually be used by civilian astronauts on the ...

Two SpaceX employees will be on the trip ... The quartet has undergone intensive training: About 2,000 hours in a simulator, centrifuge sessions, scuba diving, skydiving and climbing the Cotopaxi ...