After three days in orbit, a physician assistant, a community college professor, a data engineer and the billionaire who financed their trip arrived back on Earth, heralding a new era of space travel with a dramatic and successful Saturday evening landing in the Atlantic Ocean.
The mission, which is known as Inspiration4, splashed down off the Florida coast at 7:06 p.m. on Saturday. Each step of the return unfolded on schedule, without problems.
“Welcome home to planet Earth,” Kris Young, space operations director at SpaceX, said to the crew as the capsule bobbed in the water. SpaceX, the rocket company started by Elon Musk, built the Falcon 9 rocket that launched the Inspiration4 mission as well as the Crew Dragon capsule where the astronauts spent the past three days.
“Your mission has shown the world that space is for all of us and that everyday people can make extraordinary impacts in the world around them,” Mr. Young said.
“It was a heck of a ride for us,” Jared Isaacman, the 38-year-old billionaire who spearheaded Inspiration4, replied. “We’re just getting started.”About an hour earlier, the capsule, named Resilience, fired its thrusters for 15 minutes to drop out of orbit. The parachutes deployed, slowing Resilience to about 15 miles per hour as it hit the water.
Within an hour, all four crew members walked out of the spacecraft, one at a time, each beaming with excitement as recovery crews assisted them.
It was the latest achievement in a year of spaceflight milestones.
A couple of months ago, two celebrity billionaires — Jeff Bezos, founder of Amazon, and Richard Branson, leader of the empire of Virgin companies — went to the edge of space in vehicles built and operated by companies they had started, perhaps the beginning of a wave of wealthy space tourists making brief up-and-down jaunts off the planet.
Mr. Isaacman, who is not nearly as well known as Mr. Bezos and Mr. Branson, has now gone much farther — to an altitude of 366 miles, higher than the International Space Station and the Hubble Space Telescope, and an orbital speed of more than 17,000 miles per hour.
His private spaceflight — the first ever to go to the orbit without a professional astronaut aboard — also aimed to illustrate what a more accessible future in space could look like. His three crewmates started out as strangers chosen to embody positive traits of humanity: hope, prosperity and generosity.
By the time they launched, the four astronauts were a close-knit group: Mr. Isaacman, a high school dropout who founded Shift4 Payments, a company that processes payments for restaurants and other businesses; Hayley Arceneaux, 29, a physician assistant at St. Jude Children’s Research Center in Memphis; Sian Proctor, 51, a community college professor in Phoenix who became the first Black woman to serve as the pilot of a space mission; and Christopher Sembroski, 42, a data engineer who lives in western Washington.For a brief moment, there was a record 14 people in orbit at the same time: the four Inspiration4 crew members, three Chinese astronauts on the country’s nascent space station and an international crew of seven astronauts aboard the International Space Station.
On Friday, the Chinese astronauts returned to Earth. With the return of Inspiration4, the human off-Earth population is down to just the seven people on the International Space Station.
The Inspiration4 mission was the latest triumph for Mr. Musk. The Crew Dragon is the same spacecraft used to take NASA astronauts to and from the International Space Station.
Now, there might be a new market for private travel to orbit. “There’s tons of interest,” Benji Reed, the senior director of human spaceflight at SpaceX, said of flights in Crew Dragon during a telephone news conference after the splashdown. “And it’s growing now, a lot.”
Orbital spaceflight is still far too expensive for anyone except the richest of the rich, but by giving a chance to people who represent the larger society, Mr. Isaacman said he hoped to inspire a future generation to dream bigger.
The crew members underwent months of intense training, similar to what NASA astronauts have to learn before launching on SpaceX rockets.
The four astronauts appeared on the cover of Time magazine. Netflix produced a documentary series following their training, and a final episode recounting their flight will air at the end of the month.
Liftoff, on Wednesday evening, was on time and flawless. After a couple of thruster burns, the capsule was in orbit 366 miles above Earth, the highest astronauts have gone since a mission to repair the Hubble.
Then, at least for the general public, the mission went quiet for a day, with only a few bare-bones updates posted on Twitter. As a private mission and not one run by NASA, the crew had no obligation to make public appearances.
Their accounts on Twitter and Instagram, which were busily updated in recent weeks as they prepared for launch, stayed silent while in orbit. The crew had a video call with patients at St. Jude. One of the children asked whether there were cows on the moon. “I hope there will be one day,” Dr. Proctor replied.
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