Virgin Galactic’s SpaceShipTwo, VSS Unity, flew higher than it ever has before on Thursday, surpassing what the US Air Force considers the boundary of space, and marking the first manned flight to space from US soil since 2011.
The brief, suborbital flight — with two pilots on board — was a key milestone for the company headed by British tycoon Richard Branson, who is striving to send tourists to space at a cost of $250,000 per seat.
No spacecraft with people on board has taken off from US soil since the American space shuttle program ended, as scheduled, seven years ago.
Since then, the world’s space agencies have relied on Russian Soyuz rockets to ferry astronauts to the International Space Station.
In the meantime, a burgeoning commercial space industry is rushing to close the gap, as companies hurry to complete spacecraft that can carry astronauts and tourists into microgravity.
“Today, for the first time in history, a crewed spaceship, built to carry private passengers, reached space,” Branson said in a statement afterward.
“This is a momentous day and I could not be more proud of our teams who together have opened a new chapter of space exploration.”
Virgin Galactic’s spaceship did not launch on a rocket but took off attached to an airplane from Mojave, California.
After reaching a certain altitude, higher than 43,000 feet (13,100 meters), it fired its rocket motors for 60 seconds and made it to a peak height, or apogee, of 51.4 miles (82.7 kilometers).
“We made it to space,” the company said on Twitter.
The commonly accepted international definition of space is 62 miles high (100 kilometers), but the US Air Force considers the space boundary to be a bit lower, at 50 miles.
Virgin Galactic has said it would use the US Air Force’s definition of space as its standard.
“What we witnessed today is more compelling evidence that commercial space is set to become one of the 21st century’s defining industries,” said George Whitesides, CEO of Virgin Galactic and The Spaceship Company.
NASA payload
The US space agency paid Virgin Galactic to fly four space science and technology experiments on the VSS Unity, “making this Virgin Galactic’s first revenue generating flight,” the company added.
“Congrats to @VirginGalactic on SpaceShipTwo successfully flying to suborbital space with our four @NASA_Technology payloads onboard,” NASA said on Twitter.
“With a good rocket motor burn, the mission went beyond the 50-mile altitude target.”
SpaceX and Northrop Grumman operate cargo ships that launch from the United States, toting supplies and food to the space station, but not people.
The first crew tests of SpaceX and Boeing’s astronaut capsules are expected next year.
Virgin’s first flight date had been pushed back multiple times, following a test flight accident that killed a co-pilot in 2014.
More than 600 clients have already paid $250,000 for a ticket.
The Federal Aviation Administration’s acting head Dan Elwell commended Virgin Galactic on its successful flight.
“We are pleased that Virgin Galactic is among the many pioneers of space flight helping write a new chapter in aerospace history.”
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