Its four engines ignited and blasted the Starliner at full speed to the sky. After 20 seconds its parachutes deployed and the spacecraft gently drifted to the ground, landing on the desert floor cushioned by large air bags.
"The test team and spacecraft performed flawlessly," said Starliner program manager John Mulholland.
"Emergency scenario testing is very complex, and today our team validated that the spacecraft will keep our crew safe in the unlikely event of an abort." Boeing is one of the companies, along with SpaceX, that NASA has chosen to build spacecraft to shuttle astronauts to the ISS.
Since the end of the US Space Shuttle program in 2011 only the Russians with their Soyuz system have had the capacity to travel from the Earth to the ISS.
Boeing is planning to launch an unmanned Starliner capsule on December 17 to the ISS, as SpaceX did with its Crew Dragon capsule in March.
The first missions carrying humans should take place in 2020, according to NASA, but this schedule depends on the success of several upcoming tests.
SpaceX, for example, has yet to finalize parachute tests of its capsule.
"We hope we never need to use this system, but in case we ever have any trouble aboard the beautiful Atlas V on the launch pad, we know, after today's test, that we'll be able to get off safely and then come back and try again a different day," said former NASA astronaut and Boeing test astronaut Mike Fincke.
"It's been a long time since we've launched out of the United States," added Fincke, speaking after the White Sands test.
"We really appreciate our friends in Russia for having the launch vehicle and the Soyuz. I flew on it twice. It's a great launch vehicle, great spacecraft but it's time to have more options," he said.
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