Science

Here's who got the last 2 seats for the 1st all-civilian space flight

A college science professor and an aerospace data analyst were named on Tuesday to round out a four-member crew for a SpaceX launch into orbit that's planned for later this year and billed as the first all-civilian space flight in history.

Billionnaire entrepreneur Jared Isaacman is paying SpaceX to fly him and 3 others in September

Jared Isaacman, Hayley Arceneaux, Sian Proctor and Chris Sembroski pose for a photo at NASA's Kennedy Space Center at Cape Canaveral, Fla., on Monday in this handout image provided by SpaceX. (Inspiration 4/Reuters)

A college science professor and an aerospace data analyst were named on Tuesday to round out a four-member crew for a SpaceX launch into orbit that's planned for later this year and billed as the first all-civilian space flight in history.

The two latest citizen astronauts were introduced at a news briefing live streamed from the Kennedy Space Center in Florida by SpaceX human space flight chief Benji Reed and billionaire entrepreneur Jared Isaacman, who conceived the mission in part as a charity drive.

Isaacman, founder and CEO of e-commerce firm Shift4 Payments, is forking over an unspecified but presumably exorbitant sum to fellow billionaire and SpaceX owner Elon Musk to fly himself and three others into orbit aboard a SpaceX Crew Dragon capsule.

The flight, scheduled for no earlier than Sept. 15, is expected to last three to four days from launch to splashdown.

"When this mission is complete, people are going to look at it and say this was the first time that everyday people could go to space," Isaacman, 38, told reporters.

Dubbed Inspiration4, the mission is designed primarily to raise awareness and support for one of Isaacman's favourite causes, St. Jude Children's Research Hospital, a leading pediatric cancer centre. He has pledged $100 million US personally to the institute.

Assuming the role of mission "commander," Isaacman in February designated St. Jude physician's assistant Hayley Arceneaux, 29, a bone cancer survivor and one-time patient at the Tennessee-based hospital, as his first crewmate.

Sweepstakes, online business contest winners

Announced on Tuesday, Chris Sembroski, 41, a Seattle-area aerospace industry employee and U.S. Air Force veteran, was selected through a sweepstakes that drew 72,000 applicants and has raised $113 million US in St. Jude donations.

Sian Proctor, 51, a geoscience professor at South Mountain Community College in Phoenix, Ariz., and entrepreneur who was once a NASA astronaut candidate, was chosen separately through an online business contest run by Shift4 Payments.

All four will undergo extensive training modelled after the curriculum NASA astronauts use to prepare for SpaceX missions.

The Inspiration4 mission may mark a new era in space flight, but it is not the only all-civilian crewed rocket launch in the works.

British billionaire Richard Branson's Virgin Galactic enterprise is developing a spaceplane to carry paying customers on suborbital excursions.

SpaceX plans a separate launch, possibly next year, of a retired NASA astronaut, a former Israeli fighter pilot and two other people in conjunction with Houston-based private space flight company Axiom Space.

Musk also intends to fly Japanese billionaire Yusaku Maezawa around the moon in 2023. Fees charged for those flights will help finance the development of Musk's new, heavy-lift Starship rocket for missions to the moon and Mars.

Inspiration4 is about more than a billionaire's joyride through space, organizers say, promising the crew will conduct a number of as-yet undetermined science experiments during its brief voyage.

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